Annual mean PM10 (Particulate matter with diameter of 10 μm or less), by city
Region	Country	City	Annual mean PM10 (ug/m3)	Year	Number and location	Temporal coverage	Reference
AmrLMI	Argentina	Buenos Aires	38	2010	2 stations in Residential/commercial zone with fixed sources, and 1 station in mixed zone, medium to low traffic, with fixed sources.	6-10 months/year, according to the station	Buenos Aires Ciudad. Calidad Ambiental - Laboratorio. 2011.
AmrLMI	Chile	Temuco	44	2010	1 station	NA	Sistema Nacional de Informacion Ambiental (SINIA). Monitoreo del Aire. (accessed 30 September 2011).
AmrLMI	Chile	Rancagua	74	2010	1 station	NA	Sistema Nacional de Informacion Ambiental (SINIA). Monitoreo del Aire. (accessed 30 September 2011).
WprHI	New Zealand	Dunedin	25	2010	NA	NA	Ministry of Environment. New Zealand annual guideline for PM10. 2010.
WprHI	New Zealand	Christchurch	17	2010	NA	NA	Ministry of Environment. New Zealand annual guideline for PM10. 2010.
WprHI	New Zealand	Wellington	11	2010	NA	NA	Ministry of Environment. New Zealand annual guideline for PM10. 2010.
WprHI	New Zealand	Hamilton	13	2010	NA	NA	Ministry of Environment. New Zealand annual guideline for PM10. 2010.
WprHI	New Zealand	Auckland	15	2010	NA	NA	Ministry of Environment. New Zealand annual guideline for PM10. 2010.
AmrLMI	Peru	Callao	37	2010	1 station	NA	Programa Nacional de Vigilancia Sanitaria de Calidad del Aire. http://www.digesa.sld.pe/DEPA/pral2/index.asp (accessed 3 May 2011).
AmrLMI	Peru	Lima	78	2010	3 stations	NA	Programa Nacional de Vigilancia Sanitaria de Calidad del Aire. http://www.digesa.sld.pe/DEPA/pral2/index.asp (accessed 3 May 2011).
Afr	Senegal	Dakar	145	2010	3 stations, two in traffic area and one urban background	NA	Ministère de l'Environnement de la Protection de la Nature, des Bassins de Rétention et des Lacs artificiels. Suivi de la qualité de l'air à Dakar. Rapport annuel 2010. 2010.
WprHI	Australia	Springwood	9	2009	1 station, residential	NA	Queensland Government, Department of Environment and Resource Management. Queensland 2009 air monitoring report. 2010.
WprHI	Australia	Canberra	10	2009	1 station, suburb	91	Environmental Protection Authority, ACT air quality report 2009, June 2010.
WprHI	Australia	Sydney	12	2009	4 stations, city	NA	NSW Government, New South Wales Annual Compliance Report 2009.
WprHI	Australia	Wollongong	12	2009	1 station	NA	NSW Government, New South Wales Annual Compliance Report 2009.
WprHI	Australia	Hobard : New Town	12	2009	1 station, urban background	87	Tasmania, Air monitoring report 2009, Compliance with the National Environment Protection Measure (Ambient air quality), 2010.
WprHI	Australia	Launceston (Ti Tree bend)	13	2009	1 station, urban background	84	Tasmania, Air monitoring report 2009, Compliance with the National Environment Protection Measure (Ambient air quality), 2010.
WprHI	Australia	Port Phillip	13	2009	1 residential/light industrial and 1 residential/industrial station	99	Environmental Protection Agency Victoria, Air monitoring report 2009, Compliance with the National Environment Protection Measure (Ambient air quality), 2010.
WprHI	Australia	Perth Region	13	2009	2 urban background and 1 low density stations	99	Government of Western Australia, Department of Environment and Conservation. 2009 Western Australia Air Monitoring Report, 2010.
WprHI	Australia	Adelaide	14	2009	1 station, mixed are of light industrial, heavy traffic	NA	Environmental Protection Agency. Air monitoring for South Australia 2009: Compliance with the national Environment Protection (Ambient Air Quality) Measure, June 2009.
WprHI	Australia	Lower Hunter	14	2009	2 stations	NA	NSW Government, New South Wales Annual Compliance Report 2009.
WprHI	Australia	Bunbury	14	2009	NA	99	Government of Western Australia, Department of Environment and Conservation. 2009 Western Australia Air Monitoring Report, 2010.
WprHI	Australia	Darwin	14	2009	1 station, residential/light industrial	NA	Northern Territory Government. Northern Territory Air Monitoring Report 2009.
WprHI	Australia	Gladstone	15	2009	1 station, industry/residential	NA	Queensland Government, Department of Environment and Resource Management. Queensland 2009 air monitoring report. 2010.
WprHI	Australia	Brisbane	18	2009	1 station, light industrial/residential	NA	Queensland Government, Department of Environment and Resource Management. Queensland 2009 air monitoring report. 2010.
AmrLMI	Brazil	Regiao Estado Sao Paulo (UGRHI 22)	16	2009	1 station	NA	2009 Qualidade do Ar No Estado de Sao Paulo. http://www.cetesb.sp.gov.br/ar/qualidade-do-ar/31-publicacoes-e-relatorios (accessed 2 May 2011).
AmrLMI	Brazil	Ibrité	18	2009	1 station	NA	Monitoramento da Qualidade do Ar na Região Metropolitana de Belo Horizonte em 2009
AmrLMI	Brazil	Belo Horizonte	20	2009	2 stations	NA	Monitoramento da Qualidade do Ar na Região Metropolitana de Belo Horizonte em 2009. http://www.feam.br/images/stories/arquivos/Monitoramento/relatorio_qualidade_ar_2009_23 (accessed 2 May 2011).
AmrLMI	Brazil	Regiao Estado Sao Paulo (UGRHI 2)	21	2009	1 station	NA	2009 Qualidade do Ar No Estado de Sao Paulo. http://www.cetesb.sp.gov.br/ar/qualidade-do-ar/31-publicacoes-e-relatorios (accessed 2 May 2011).
AmrLMI	Brazil	Regiao Estado Sao Paulo (UGRHI 21)	21	2009	1 station	NA	2009 Qualidade do Ar No Estado de Sao Paulo. http://www.cetesb.sp.gov.br/ar/qualidade-do-ar/31-publicacoes-e-relatorios (accessed 2 May 2011).
AmrLMI	Brazil	Betim	22	2009	1 station	NA	Monitoramento da Qualidade do Ar na Região Metropolitana de Belo Horizonte em 2009. http://www.feam.br/images/stories/arquivos/Monitoramento/relatorio_qualidade_ar_2009_23 (accessed 2 May 2011).
AmrLMI	Brazil	Regiao Estado Sao Paulo (UGRHI 19)	26	2009	1 station	NA	2009 Qualidade do Ar No Estado de Sao Paulo. http://www.cetesb.sp.gov.br/ar/qualidade-do-ar/31-publicacoes-e-relatorios (accessed 2 May 2011).
AmrLMI	Brazil	Regiao Estado Sao Paulo (UGRHI 13)	27	2009	3 stations	NA	2009 Qualidade do Ar No Estado de Sao Paulo. http://www.cetesb.sp.gov.br/ar/qualidade-do-ar/31-publicacoes-e-relatorios (accessed 2 May 2011).
AmrLMI	Brazil	Médio Paraiba	28	2009	8 stations	NA	Relatorio Annual da Qualidade do Ar do Estado do Rio de Janeiro. http://www.inea.rj.gov.br/downloads/relatorios/qualidade_ar_2009.pdf (accessed 2 May 2011).
AmrLMI	Brazil	Regiao Estado Sao Paulo (UGRHI 10)	28	2009	1 station	NA	2009 Qualidade do Ar No Estado de Sao Paulo. http://www.cetesb.sp.gov.br/ar/qualidade-do-ar/31-publicacoes-e-relatorios (accessed 2 May 2011).
AmrLMI	Brazil	Regiao Estado Sao Paulo (UGRHI 15)	28	2009	1 station	NA	2009 Qualidade do Ar No Estado de Sao Paulo. http://www.cetesb.sp.gov.br/ar/qualidade-do-ar/31-publicacoes-e-relatorios (accessed 2 May 2011).
AmrLMI	Brazil	Regiao Estado Sao Paulo (UGRHI 4)	28	2009	1 station	NA	2009 Qualidade do Ar No Estado de Sao Paulo. http://www.cetesb.sp.gov.br/ar/qualidade-do-ar/31-publicacoes-e-relatorios (accessed 2 May 2011).
AmrLMI	Brazil	Região Metropolitana Curitiba	29	2009	4 stations (1 residential, 1 center, 2 industrial/center) - 2 industrial discarded (although mean did not change much)	NA	Relatorio da qualidade do ar na regiao metropolitana de Curitiba, 2009, http://www.iap.pr.gov.br/arquivos/File/programas_e_projetos/relatorios/Relatorio_da_Qualidade_do_Ar_na_RMC_2009.pdf, (accessed 2 May 2011).
AmrLMI	Brazil	Região Metropolitana Sao Paulo	38	2009	20 stations	NA	2009 Qualidade do Ar No Estado de Sao Paulo. http://www.cetesb.sp.gov.br/ar/qualidade-do-ar/31-publicacoes-e-relatorios (accessed 2 May 2011).
AmrLMI	Brazil	Regiao Estado Sao Paulo (UGRHI 5)	39	2009	8 stations	NA	2009 Qualidade do Ar No Estado de Sao Paulo. http://www.cetesb.sp.gov.br/ar/qualidade-do-ar/31-publicacoes-e-relatorios (accessed 2 May 2011).
AmrLMI	Brazil	Regiao Estado Sao Paulo (UGRHI 7), Cubatao)	48	2009	3 stations	NA	2009 Qualidade do Ar No Estado de Sao Paulo. http://www.cetesb.sp.gov.br/ar/qualidade-do-ar/31-publicacoes-e-relatorios (accessed 2 May 2011).
AmrLMI	Brazil	Região Metropolitana Rio Janeiro	64	2009	11 stations	NA	Relatorio Annual da Qualidade do Ar do Estado do Rio de Janeiro. http://www.inea.rj.gov.br/downloads/relatorios/qualidade_ar_2009.pdf (accessed 2 May 2011).
AmrLMI	Chile	Calama	42	2009	NA	NA	Sistema Nacional de Informacion Ambiental (SINIA).Informe - Relacion de la norma de calidad primaria MP2.5 con la nirma de calidad primaria de MP10. (accessed 3 May 2011).
AmrLMI	Chile	La Calera	58	2009	1 station	NA	Sistema Nacional de Informacion Ambiental (SINIA). Monitoreo del Aire. (accessed 30 September 2011).
AmrLMI	Chile	Antofagasta	39	2009	3 stations	NA	Sistema Nacional de Informacion Ambiental (SINIA). Monitoreo del Aire. (accessed 30 September 2011).
AmrLMI	Chile	Santiago	71	2009	1 station	NA	Sistema Nacional de Informacion Ambiental (SINIA). Monitoreo del Aire. (accessed 30 September 2011).
WprLMI	China	Haikou	38	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Lhasa	50	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Nanning	50	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Hong Kong	50	2009	NA	NA	Air quality in Hong Kong 2009, Air Science Group, Environment Protection Department, The Government of the Hong Kong Special Administrative Region. Hong Kong 2010.
WprLMI	China	Fuzhou	64	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Kunming	67	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Guangzhou	70	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Guiyang	74	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Hohhot	74	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Nanchang	79	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Shanghai	81	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Changchun	85	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Yinchuan	90	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Changsha	92	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Hangzhou	97	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Zhengzhou	99	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Nanjing	100	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Harbin	101	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Tianjin	101	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Shijiazhuang	104	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Chongqing	105	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Wuhan	105	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Taiyuan	106	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Shenyang	110	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Chengdu	111	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Hefei	111	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Xi'an	113	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Beijing	121	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Jinan	123	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Urumqi	140	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Xining	141	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
WprLMI	China	Lanzhou	150	2009	NA	NA	China Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010.
AmrLMI	Ecuador	Quito	34	2009	7 stations	NA	Informe de la Calidad del Aire del Distrito Metropolitano Quito 2009.http://remmaq.corpaire.org/paginas/articulos.html (accessed 29 April 2011)
AmrLMI	Ecuador	Cuenca	38	2009	2 stations, center and south (the one located 300 m from industrial parc was discarded)	NA	Informe de la calidad del Aire Cuenca, 2009. http://www.cuencaire.org/ (accessed 29 April 2011)
EmrLMI	Iran (Islamic Republic of)	Shiraz	70	2009	1 urban traffic, 1 residential and commercial	100	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Tabriz	82	2009	2 urban traffic, 2 residential and commercial	67	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Mashhad	87	2009	3 urban trafiic, 2 residential and commerial, 1 urban and suburban	100	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Tehran	96	2009	9 urban traffic, 10 residential and commercial, 6 urban and sub-urban, 1 industrial	100	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Arak	102	2009	3 urbantraffic, 2 residential and commercial, 1urban and sub-urban	83	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Hamedan	103	2009	1 residential and commercial	57	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Esfahan	105	2009	2 urban traffic, 2 residential and commercial	100	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Qazvin	112	2009	1 urban traffic	20	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Kerman	125	2009	1 urban traffic, 1 residential and commercial	100	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Bushehr	125	2009	1 residential and commercial	20	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Ilam	129	2009	1 residential and commercial	100	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	khoramabad	168	2009	1 urban traffic, 1 residential and commercial	48	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Qom	176	2009	1 urban traffic, 1 residential and commercial	15	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Uromiyeh	183	2009	1 urban traffic, 1 residential and commercial	100	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Yasouj	215	2009	1 urban green area	20	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Kermanshah	229	2009	1 residential and commercial	62	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Sanandaj	254	2009	1 urban traffic, 1 residential and commercial	35	Department of Environment (DOE)
EmrLMI	Iran (Islamic Republic of)	Ahwaz	372	2009	1 urban traffic and 3 residential and commercial	100	Department of Environment (DOE)
EurHI	Israel	Haifa	44	2009	1 residential station	NA	Central Bureau of Statistics. Statistical Abstracts of Israel, 2010.
EurHI	Israel	Modi'in	58	2009	1 residential station	NA	Central Bureau of Statistics. Statistical Abstracts of Israel, 2010.
EurHI	Israel	Tel Aviv	60	2009	2 urban traffic and background stations	NA	Central Bureau of Statistics. Statistical Abstracts of Israel, 2010.
EurHI	Israel	Jerusalem	60	2009	1 commercial urban station	NA	Central Bureau of Statistics. Statistical Abstracts of Israel, 2010.
WprHI	Japan	Tokyo	23	2009	City general average	NA	Environment of Tokyo. General Conditions of air pollutants in Tokyo (Annual Average). 'http://www.kankyo.metro.tokyo.jp/en/attachement/e-1_data.pdf (accessed 2 March 2011).
WprHI	Japan	Osaka	27	2009	Excluding roadside stations	NA	Environment Bureau, Osaka City. Air quality, 2010. http://www.city.osaka.lg.jp/contents/wdu020/kankyo/english/quality/quality01.html (accessed 2 march 2011).
Afr	Mauritius	Port Louis	12	2009	2 stations in St Louis	2 months/year	Central Statistics Office. Environment Statistics 2009, Madagascar, 2009.
AmrLMI	Mexico	Zona Metropolitana Puebla Tlaxcala	30	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Zona Metropolitana de Guadalajara	42	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Irapuato	45	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Celaya	48	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Silao	50	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Zona Metropolitana del Valle de Mexico	52	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Leon	52	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Salamanca	53	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Tijuana	57	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Zona Metropolitana del Valle de Toluca	66	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Zona Metropolitana de Juarez	70	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Zona Metropolitana de Monterrey	76	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Tecate	90	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Mexico	Mexicali	137	2009	NA	NA	Compendio de Estadisticas Ambientales 2010 - Promedio annual de concentrationes horarias de contaminatnes atmosfericos. http://aplicaciones.semarnat.gob.mx/estadisticas/compendio2010/10.100.13.5_8080/ibi_apps/WFServletd9fc.html (accessed 4 May 2011.
AmrLMI	Panama	Panama	29	2009	3 stations	NA	Informe sobre la calidad del aire en la cuidad de Panama 2009. Universidad de Panama, Panama, 2009.
AmrLMI	Panama	San Miguelito	56	2009	1 station	NA	Informe sobre la calidad del aire en la cuidad de Panama 2009. Universidad de Panama, Panama, 2009.
EurLMI	Russian Federation	Moscow	33	2009	2 urban background and 4 suburban background stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	San Marino	San Marino	20	2009	1 station in centre of only city (urban traffic location)	97	Istituto Sicurezza Sociale. Monitoraggio qualità dell'aria, Anno 2009. Dipartimento di sanita pubblica, 2010.
WprHI	Singapore	Singapore	32	2009	11 stations in urban background, industrial, commercial, suburban and roadside locations distributed all over Singapore	NA	Singapore Department of Statistics. Yearbook of Statistics Singapore, 2010.
Afr	South Africa	Ethkwini (Durban)	33	2009	2 traffic stations and one background station	NA	Ethekwini Health Department. Ethkwini air quality monitoring network report 2009;
Afr	South Africa	Joburg	66	2009	4 background station, and 1 mixed station (urban, commercial, industrial)	NA	Joburg Air Quality Management and Climate Change. http://www.saaqis.org.za/Downloads.aspx?type=AQ.
AmrHI	United States of America	Clearlake, CA	6	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Santa Fe, NM	6	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Cheyenne, WY	7	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Kahului-Wailuku, HI	7	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Dickinson, ND	7	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Farmington, NM	7	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Jackson, WY-ID	8	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Pocatello, ID	8	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Silver City, NM	8	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Great Falls, MT	9	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Albuquerque, NM	9	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Tucson, AZ	9	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Amarillo, TX	9	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bend, OR	9	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Colorado Springs, CO	9	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Gillette, WY	9	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Santa Cruz-Watsonville, CA	10	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Redding, CA	10	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Salinas, CA	10	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Cadillac, MI	10	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Truckee-Grass Valley, CA	10	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Laconia, NH	10	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Rock Springs, WY	10	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bishop, CA	10	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Anchorage, AK	11	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bismarck, ND	11	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bennington, VT	11	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Cape Coral-Fort Myers, FL	11	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Palm Bay-Melbourne-Titusville, FL	11	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bradenton-Sarasota-Venice, FL	11	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lebanon, NH-VT	11	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Rapid City, SD	11	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Fort Collins-Loveland, CO	11	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Corning, NY	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Homosassa Springs, FL	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Honolulu, HI	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Odessa, TX	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Santa Barbara-Santa Maria-Goleta, CA	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Eureka-Arcata-Fortuna, CA	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Grand Island, NE	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Burlington-South Burlington, VT	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Duluth, MN-WI	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Gainesville, FL	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lakeland-Winter Haven, FL	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bangor, ME	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Boulder, CO /1	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Jamestown-Dunkirk-Fredonia, NY	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Torrington, CT	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Flagstaff, AZ	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Orlando-Kissimmee, FL	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Port St. Lucie, FL	12	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Boise City-Nampa, ID	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Fort Lauderdale-Pompano Beach-Deerfield Beach, FL	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Miami-Fort Lauderdale-Pompano Beach, FL	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Miami-Miami Beach-Kendall, FL	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Rochester, NY	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	West Palm Beach-Boca Raton-Boynton Beach, FL	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lewiston-Auburn, ME	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lubbock, TX	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Seneca, SC	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Sierra Vista-Douglas, AZ	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Syracuse, NY	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Albany-Schenectady-Troy, NY	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bozeman, MT	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Greeley, CO /1	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	La Grande, OR	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Pendleton-Hermiston, OR	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Boone, NC	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lawrenceburg, TN	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Poughkeepsie-Newburgh-Middletown, NY	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Reno-Sparks, NV	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	San Luis Obispo-Paso Robles, CA	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Tampa-St. Petersburg-Clearwater, FL	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Yuba City, CA	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Atlantic City-Hammonton, NJ	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Augusta-Waterville, ME	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	El Centro, CA	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Manchester-Nashua, NH	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Missoula, MT	13	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Aberdeen, SD	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bay City, MI	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Denver-Aurora-Broomfield, CO /1	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lincoln, NE	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Concord, NH	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Houma-Bayou Cane-Thibodaux, LA	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Jacksonville, FL	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Portland-South Portland-Biddeford, ME	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Riverton, WY	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Alexandria, LA	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Charlottesville, VA	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	El Paso, TX	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Hammond, LA	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lynchburg, VA	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Pensacola-Ferry Pass-Brent, FL	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Prineville, OR	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Sheridan, WY	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Brigham City, UT	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Grants Pass, OR	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Kinston, NC	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Watertown, SD	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Allegan, MI	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Allentown-Bethlehem-Easton, PA-NJ	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Brookings, SD	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Columbia, TN	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Jackson, TN	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lafayette, LA	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Las Vegas-Paradise, NV	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Monroe, LA	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Norwich-New London, CT	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Rocky Mount, NC	14	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Flint, MI	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Greenville, NC	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Pittsfield, MA	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	St. Cloud, MN	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Topeka, KS	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Miami, OK	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Muskegon-Norton Shores, MI	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lake Charles, LA	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Wichita, KS	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Hartford-West Hartford-East Hartford, CT	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Niles-Benton Harbor, MI	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Providence-New Bedford-Fall River, RI-MA	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Athens, OH	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Cookeville, TN	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lansing-East Lansing, MI	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Sioux City, IA-NE-SD	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Sioux Falls, SD	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Beckley, WV	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Des Moines-West Des Moines, IA	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Grenada, MS	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Holland-Grand Haven, MI	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Oakland-Fremont-Hayward, CA	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Portland-Vancouver-Beaverton, OR-WA	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Raleigh-Cary, NC	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	San Francisco-Oakland-Fremont, CA	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	San Francisco-San Mateo-Redwood City, CA	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Worcester, MA	15	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Asheville, NC	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Pascagoula, MS	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Richmond, VA	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Trenton-Ewing, NJ	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lumberton, NC	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Manitowoc, WI	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Marshall, TX	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	San Antonio, TX	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Springfield, MA	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	State College, PA	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Virginia Beach-Norfolk-Newport News, VA-NC	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Yuma, AZ	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bridgeport-Stamford-Norwalk, CT	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Charleston-North Charleston-Summerville, SC	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Dothan, AL	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Dover, DE	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Natchez, MS-LA	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Oklahoma City, OK	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Rockford, IL	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Springfield, MO	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Yakima, WA	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Buffalo-Niagara Falls, NY	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Burlington, NC	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Fayetteville, NC	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Greensboro-High Point, NC	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Mobile, AL	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Rutland, VT	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Adrian, MI	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Beaver Dam, WI	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Brunswick, GA	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Cleveland, MS	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Columbus, MS	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Corpus Christi, TX	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Dyersburg, TN	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Fort Payne, AL	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Grand Junction, CO	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Helena-West Helena, AR	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Kalispell, MT	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Richmond-Berea, KY	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Roanoke, VA	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Seaford, DE	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Tallahassee, FL	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Vallejo-Fairfield, CA	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Winston-Salem, NC	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Butte-Silver Bow, MT	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Durham-Chapel Hill, NC	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Harrisonburg, VA	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	McAlester, OK	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Seattle-Bellevue-Everett, WA	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Seattle-Tacoma-Bellevue, WA	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Tacoma, WA	16	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Ann Arbor, MI	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Baraboo, WI	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Decatur, AL	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Grand Rapids-Wyoming, MI	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Kingsport-Bristol-Bristol, TN-VA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Memphis, TN-MS-AR	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	New Haven-Milford, CT	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Tuscaloosa, AL	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Chico, CA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Clarksville, TN-KY	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	El Dorado, AR	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Huntsville, AL	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Medford, OR	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Austin-Round Rock, TX	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bloomington-Normal, IL	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Fort Madison-Keokuk, IA-MO	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Gulfport-Biloxi, MS	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Hot Springs, AR	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Kalamazoo-Portage, MI	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Keene, NH	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Michigan City-La Porte, IN	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Mount Vernon, IL	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	San Jose-Sunnyvale-Santa Clara, CA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Shreveport-Bossier City, LA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Baton Rouge, LA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Boston-Cambridge-Quincy, MA-NH	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Boston-Quincy, MA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Cambridge-Newton-Framingham, MA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Dallas-Fort Worth-Arlington, TX	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Dallas-Plano-Irving, TX	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Florence, SC	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Fort Worth-Arlington, TX	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Gadsden, AL	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Gainesville, GA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Nashville-Davidson--Murfreesboro--Franklin, TN	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Omaha-Council Bluffs, NE-IA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Peabody, MA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Rockingham County-Strafford County, NH	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Savannah, GA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Tupelo, MS	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Athens-Clarke County, GA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Beaumont-Port Arthur, TX	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Fayetteville-Springdale-Rogers, AR-MO	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Hickory-Lenoir-Morganton, NC	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Logan, UT-ID	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Monroe, MI	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Muskogee, OK	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Ogden-Clearfield, UT	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Salisbury, NC	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Searcy, AR	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Texarkana, TX-Texarkana, AR	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Appleton, WI	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Cedar Rapids, IA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Frankfort, KY	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Las Cruces, NM	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Middlesborough, KY	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Spartanburg, SC	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Warner Robins, GA	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Winchester, VA-WV	17	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Champaign-Urbana, IL	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	La Crosse, WI-MN	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Provo-Orem, UT	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Waterloo-Cedar Falls, IA	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bowling Green, KY	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Iowa City, IA	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Kansas City, MO-KS	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Sacramento--Arden-Arcade--Roseville, CA	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Springfield, IL	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Thomasville-Lexington, NC	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bethesda-Frederick-Rockville, MD	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Charlotte-Gastonia-Concord, NC-SC	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Chattanooga, TN-GA	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Columbia, SC	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Jackson, MS	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lafayette, IN	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Meridian, MS	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Minneapolis-St. Paul-Bloomington, MN-WI	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	New Castle, IN	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Peoria, IL	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Tulsa, OK	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Washington-Arlington-Alexandria, DC-VA-MD-WV	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Clarksburg, WV	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Fort Smith, AR-OK	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Fort Wayne, IN	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Greenville-Mauldin-Easley, SC	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Harriman, TN	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Morgantown, WV	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Oxnard-Thousand Oaks-Ventura, CA	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Russellville, AR	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Elizabethtown, KY	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Portsmouth, OH	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Reading, PA	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Decatur, IL	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Eugene-Springfield, OR	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Kokomo, IN	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	McAllen-Edinburg-Mission, TX	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	New Orleans-Metairie-Kenner, LA	18	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Brownsville-Harlingen, TX	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Green Bay, WI	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Hattiesburg, MS	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lexington-Fayette, KY	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Muncie, IN	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Salt Lake City, UT	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Anderson, IN	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Baltimore-Towson, MD	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Pop-weighted mean cities >100,000	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Camden, NJ	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Laurel, MS	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Philadelphia, PA	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Stockton, CA	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Wilmington, DE-MD-NJ	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Clinton, IA	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Little Rock-North Little Rock-Conway, AR	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Platteville, WI	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Toledo, OH	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Vincennes, IN	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Columbus, OH	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Knoxville, TN	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Madison, WI	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Paducah, KY-IL	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Akron, OH	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	South Bend-Mishawaka, IN-MI	19	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Birmingham-Hoover, AL	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Fairmont, WV	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	York-Hanover, PA	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Youngstown-Warren-Boardman, OH-PA	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Albany, GA	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Columbus, GA-AL	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Klamath Falls, OR	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Terre Haute, IN	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Canton-Massillon, OH	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Elkhart-Goshen, IN	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Johnstown, PA	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Milwaukee-Waukesha-West Allis, WI	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Owensboro, KY	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Augusta-Richmond County, GA-SC	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Huntington-Ashland, WV-KY-OH	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Parkersburg-Marietta-Vienna, WV-OH	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	St. Louis, MO-IL	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Atlanta-Sandy Springs-Marietta, GA	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Detroit-Livonia-Dearborn, MI	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Detroit-Warren-Livonia, MI	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Hagerstown-Martinsburg, MD-WV	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Warren-Troy-Farmington Hills, MI	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Harrisburg-Carlisle, PA	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lancaster, PA	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Weirton-Steubenville, WV-OH	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Wheeling, WV-OH	20	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Macon, GA	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Davenport-Moline-Rock Island, IA-IL	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Dayton, OH	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Springfield, OH	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Charleston, WV	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Evansville, IN-KY	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Muscatine, IA	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Houston-Sugar Land-Baytown, TX	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Edison-New Brunswick, NJ	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Nassau-Suffolk, NY	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	New York-Northern New Jersey-Long Island, NY-NJ-PA	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	New York-White Plains-Wayne, NY-NJ	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Newark-Union, NJ-PA	21	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Chicago-Naperville-Joliet, IL	22	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Chicago-Naperville-Joliet, IL-IN-WI	22	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Cleveland-Elyria-Mentor, OH	22	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Gary, IN	22	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Lake County-Kenosha County, IL-WI	22	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Indianapolis-Carmel, IN	22	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Louisville/Jefferson County, KY-IN	22	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Nogales, AZ	22	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Merced, CA	23	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Cincinnati-Middletown, OH-KY-IN	23	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Phoenix-Mesa-Scottsdale, AZ	24	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Los Angeles-Long Beach-Glendale, CA	25	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Los Angeles-Long Beach-Santa Ana, CA	25	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Santa Ana-Anaheim-Irvine, CA	25	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Pittsburgh, PA	25	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	San Diego-Carlsbad-San Marcos, CA	25	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Hanford-Corcoran, CA	26	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Visalia-Porterville, CA	27	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Hilo, HI	27	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Modesto, CA	27	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Fairbanks, AK	27	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Riverside-San Bernardino-Ontario, CA	28	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Fresno, CA	35	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrHI	United States of America	Bakersfield, CA	38	2009	NA	NA	USEPA. Air quality trends by city, 2009. http://www.epa.gov/airtrends/factbook.html (accessed 12 May 2011)
AmrLMI	Uruguay	Montevideo	39	2009	3 stations	NA	Intendencia Municipal de Montevideo, Desarollo Ambiental. Calidad del Aire de Montevideo Informe Annual 2009, Montevideo, 2010.
EurHI	Austria	Salzburg	24	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Austria	Wien	25	2008	1 urban background, 2 suburban background, 7 urban traffic, and 2 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Austria	Linz	29	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Austria	Graz	30	2008	2 urban background, 3 suburban background, 2 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Belarus	Gomel	19	2008	1 urban station	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Belarus	Mogilev	20	2008	1 urban station	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Belarus	Minsk	26	2008	1 urban station	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Belarus	Zhlobin	26	2008	1 urban station	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Belgium	Antwerpen	23	2008	0 urban background, 5 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Belgium	Gent	25	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Belgium	Liège	26	2008	1 urban background, 2 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Belgium	Charleroi	27	2008	0 urban background, 2 suburban background, 0 urban traffic, and 0 traffic suburban stations	89	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Belgium	Bruxelles / Brussel	28	2008	0 urban background, 3 suburban background, 1 urban traffic, and 1 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Bosnia and Herzegovina	Sarajevo	117	2008	1 urban background station	88	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Bulgaria	Ruse	36	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Bulgaria	Stara Zagora	37	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Bulgaria	Burgas	39	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	82	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Bulgaria	Pleven	57	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Bulgaria	Sofia	68	2008	0 urban background, 3 suburban background, 1 urban traffic, and 1 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Bulgaria	Plovdiv	70	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
AmrHI	Canada	Whitehorse	3	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Kitimat	4	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Burns Lake	5	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Houston	5	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Nanaimo	6	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Terrace	6	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Corner Brook	6	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Fredericton	6	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Nelson	6	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Medicine Hat	6	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Smithers	7	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Lethbridge	7	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Victoria	7	2008	4 urban residential and 1 urban commercial stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Williams Lake	7	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Grande Prairie	7	2008	2 Urban residential stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Kelowna	7	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Edson	7	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Grand Forks	7	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Revelstoke	7	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Prince Albert	7	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Kamloops	7	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Red Deer	7	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Thunder Bay	8	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Sudbury	8	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Saskatoon	8	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Halifax	8	2008	1 Urban residential and 1 urban commercial stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Chilliwack	8	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Metro Vancouver	8	2008	7 Urban residential stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Campbell River	8	2008	2 urban residential stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Prince George	8	2008	1 Urban residential and 1 urban commercial stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	North Bay	9	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Quesnel	9	2008	3 Urban residential stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Bécancour	9	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Parry Sound	9	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Fort Mcmurray	9	2008	3 urban residential stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Ottawa	9	2008	1 Urban residential and 1 urban commercial stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Winnipeg	9	2008	1 urban residential and 1 urban commercial stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Regina	9	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Calgary	9	2008	1 urban residential and 1 urban commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Bathurst	10	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Moncton	10	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Brandon	11	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Morrisburg	11	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Pictou	11	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Saint John	11	2008	2 Urban residential station stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Cornwall	11	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Québec	11	2008	4 Urban Residential stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Edmonton	11	2008	1 Urban residential and 2 urban commercial stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Flin Flon	12	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Barrie	12	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Belleville	12	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Peterborough	12	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Guelph	12	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Oshawa	13	2008	3 urban residential stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Drayton Valley	13	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Toronto	13	2008	7 urban residential and 4 urban commercial stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Port Stanley	13	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Essex	14	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Brantford	14	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	London	14	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Kingston	14	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Kitchener	14	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Mississauga	14	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Rouyn-noranda	15	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	St. Catharines	15	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Chatham	15	2008	1 Urban Commercial station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Hamilton	16	2008	1 Urban residential and 1 urban commercial stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Windsor	17	2008	1 urban residential and 1 urban commercial stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Montréal	19	2008	1 urban residential and 6 urban commercial stations	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrHI	Canada	Sarnia	21	2008	1 urban residential station	NA	Environment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 2008
AmrLMI	Chile	Arica	41	2008	NA	NA	Sistema Nacional de Informacion Ambiental (SINIA).Informe - Relacion de la norma de calidad primaria MP2.5 con la nirma de calidad primaria de MP10. (accessed 3 May 2011).
AmrLMI	Chile	Arauco	43	2008	NA	NA	Sistema Nacional de Informacion Ambiental (SINIA).Informe - Relacion de la norma de calidad primaria MP2.5 con la nirma de calidad primaria de MP10. (accessed 3 May 2011).
AmrLMI	Chile	Alto Hospicio (Iquique)	50	2008	NA	NA	Sistema Nacional de Informacion Ambiental (SINIA).Informe - Relacion de la norma de calidad primaria MP2.5 con la nirma de calidad primaria de MP10. (accessed 3 May 2011).
EurHI	Croatia	Rijeka	25	2008	1 urban traffic station	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Croatia	Zagreb	34	2008	3 urban traffic stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Croatia	Osijek	37	2008	1 urban traffic station	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Czech Republic	Ceské Budejovice	20	2008	1 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Czech Republic	Jihlava	21	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Czech Republic	Plzen	24	2008	2 urban background, 1 suburban background, 2 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Czech Republic	Pardubice	26	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Czech Republic	Zlín	26	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Czech Republic	Praha	27	2008	2 urban background, 4 suburban background, 8 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Czech Republic	Kladno	29	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Czech Republic	Liberec	30	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Czech Republic	Brno	32	2008	0 urban background, 1 suburban background, 3 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Czech Republic	Ústí nad Labem	33	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Czech Republic	Ostrava	38	2008	2 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Denmark	København	26	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	86	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Denmark	Århus	27	2008	0 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Denmark	Odense	31	2008	0 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	77	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EmrLMI	Egypt	Greater Cairo	138	2008	3 traffic, 9 residential and 3 mixed industrial/residential stations	NA	Egypt State of Environment Report 2008
EurHI	Estonia	Tallinn	11	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Finland	Oulu	14	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Finland	Helsinki	20	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Limoges	18	2008	1 urban background, 2 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Le Mans	18	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Angers	18	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Saint Brieuc	18	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Rennes	18	2008	0 urban background, 1 suburban background, 0 urban traffic, and 1 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Metz	19	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Dijon	19	2008	1 urban background, 2 suburban background, 0 urban traffic, and 0 traffic suburban stations	89	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Clermont-Ferrand	19	2008	1 urban background, 2 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Toulouse	20	2008	0 urban background, 5 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Bayonne	20	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Lorient	20	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Nimes	21	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Nancy	21	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Nantes	21	2008	1 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Saint Nazaire	21	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Pau	21	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Perpignan	22	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Poitiers	22	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Saint Denis	22	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	88	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Bordeaux	22	2008	4 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Besançon	23	2008	3 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Caen	23	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Montpellier	23	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	85	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Reims	23	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Troyes	23	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Brest	24	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Angouleme	24	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Tours	24	2008	2 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Fort-de-France	24	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Orléans	24	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Annecy	25	2008	0 urban background, 2 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Pointe-a-Pitre	25	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Mulhouse	25	2008	1 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Rouen	25	2008	3 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	La Rochelle	25	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Avignon	25	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Amiens	26	2008	1 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Chambery	26	2008	0 urban background, 2 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Saint-Etienne	26	2008	2 urban background, 0 suburban background, 1 urban traffic, and 1 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Douai	26	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Strasbourg	26	2008	1 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Cayenne	27	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Maubeuge	27	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Grenoble	28	2008	2 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Ajaccio	28	2008	0 urban background, 2 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Lens - Liévin	28	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	85	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Le Havre	28	2008	1 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Aix-en-Provence	29	2008	1 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Lille	29	2008	3 urban background, 2 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Montbeliard	30	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Toulon	31	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Marseille	31	2008	2 urban background, 2 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Valenciennes	31	2008	0 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Nice	33	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Lyon	33	2008	1 urban background, 0 suburban background, 2 urban traffic, and 1 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Antibes	34	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	France	Paris	38	2008	1 urban background, 0 suburban background, 2 urban traffic, and 1 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Wolfsburg	17	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Bremerhaven	18	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Rostock	19	2008	1 urban background, 1 suburban background, 2 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Freiburg im Breisgau	19	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Erlangen	20	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Solingen	20	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Braunschweig	20	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Saarbrücken	21	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Wiesbaden	21	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Mainz	21	2008	2 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Lübeck	21	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Karlsruhe	21	2008	0 urban background, 1 suburban background, 2 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Pforzheim	21	2008	0 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Ingolstadt	21	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Leverkusen	21	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Göttingen	21	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Kiel	21	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Ludwigshafen am Rhein	21	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Mannheim	22	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Darmstadt	22	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Frankfurt am Main	22	2008	2 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Hannover	22	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Halle an der Saale	23	2008	0 urban background, 1 suburban background, 2 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Hamburg	23	2008	6 urban background, 0 suburban background, 3 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Krefeld	23	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Chemnitz	23	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Osnabrück	23	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Köln	23	2008	0 urban background, 2 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Ulm	23	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Mönchengladbach	23	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Nürnberg	23	2008	0 urban background, 0 suburban background, 3 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Bielefeld	23	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Magdeburg	24	2008	1 urban background, 0 suburban background, 4 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Gera	24	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Bonn	24	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Aachen	24	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Kassel	24	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Potsdam	25	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Duisburg	25	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Erfurt	25	2008	0 urban background, 0 suburban background, 3 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Augsburg	25	2008	1 urban background, 1 suburban background, 2 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Mülheim a.d.Ruhr	26	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Wuppertal	26	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Berlin	26	2008	4 urban background, 1 suburban background, 5 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Bremen	26	2008	3 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	München	26	2008	1 urban background, 1 suburban background, 4 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Frankfurt (Oder)	27	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Münster	27	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Gelsenkirchen	27	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Regensburg	27	2008	0 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Essen	27	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Dortmund	27	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Reutlingen	28	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Leipzig	28	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Stuttgart	28	2008	1 urban background, 0 suburban background, 4 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Düsseldorf	29	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Cottbus	29	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Weimar	29	2008	0 urban background, 0 suburban background, 3 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Germany	Dresden	31	2008	0 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
Afr	Ghana	Accra	98	2008	4 residential and 1 roadside station in Accra	NA	Dionisio KL, Arku RE, Hughes AF, et al. Air pollution in Accra neighborhoods: spatial, socioeconomic, and temporal patterns. Environ. Sci. Technol. 2010;44(7):2270-2276.
EurHI	Greece	Athens	41	2008	4 urban traffic and 4 suburban background stations	85	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Greece	Volos	42	2008	1 urban traffic station	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Greece	Larissa	43	2008	1 urban traffic station	81	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Greece	Patra	44	2008	1 urban traffic station	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Greece	Thessaloniki	56	2008	1 urban traffic station	81	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
AmrLMI	Guatemala	Guatemala city	48	2008	1 station in residential area	NA	Universidad de San Carlos de Guatemala. Informe Annual, Monitoreao del Aire en la ciudad de Guatemala. Guatemala, 2009.
EurHI	Hungary	Gyõr	16	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	46	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Hungary	Debrecen	24	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Hungary	Budapest	29	2008	1 urban background, 2 suburban background, 2 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Iceland	Reykjavik	23	2008	0 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Iceland	Akureyri	34	2008	1 urban traffic station	53	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
Sear	India	Amritsar	36	2008	1 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Kochi	40	2008	3 residential and other areas stations (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Madurai	41	2008	2 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Chennai	48	2008	2 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Coimbatore	55	2008	2 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Vadodara	57	2008	2 residential and other areas stations (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Ahmedabad	80	2008	4 residential and other areas (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Nashik	80	2008	2 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Surat	81	2008	2 residential and other areas stations (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Hyderabad	87	2008	4 residential and other areas stations (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Visakhapatnam	87	2008	4 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Rajkot	89	2008	1 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Bangalore	90	2008	2 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Vijayawada	91	2008	1 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Bhopal	93	2008	3 residential and other areas stations (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Nagpur	98	2008	4 residential and other areas stations (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Pune	99	2008	2 residential and other areas stations (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Varanasi	106	2008	2 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Jaipur	112	2008	4 residential and other areas stations (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Meerut	115	2008	2 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Patna	120	2008	2 residential and other areas stations (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Allahabad	128	2008	2 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Dhanbad	131	2008	1 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Mumbai	132	2008	2 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Jabalpur	136	2008	1 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Faridabad	139	2008	1 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Kolkata	148	2008	6 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Agra	165	2008	1 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Indore	174	2008	2 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Lucknow	186	2008	4 residential and other areas stations (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Delhi	198	2008	6 residential and other areas station (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Kanpur	209	2008	3 residential and other areas stations (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	India	Ludhiana	251	2008	2 residential and other areas stations (exluding industrial and sensitive areas)	NA	Central Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.
Sear	Indonesia	Pekanbaru	11	2008	NA	NA	Indonesia Country Profile: Focus on smaller cities, Clean Air Initiative for Asian Cities Center, 2013
Sear	Indonesia	Jakarta	43	2008	3 stations operational in the city	NA	Indonesia Country Profile: Focus on smaller cities, Clean Air Initiative for Asian Cities Center, 2010
Sear	Indonesia	Bandung	51	2008	3 stations operational in the city	NA	Indonesia Country Profile: Focus on smaller cities, Clean Air Initiative for Asian Cities Center, 2012
Sear	Indonesia	Surbaya	69	2008	3 stations operational in the city	NA	Indonesia Country Profile: Focus on smaller cities, Clean Air Initiative for Asian Cities Center, 2011
Sear	Indonesia	Medan	111	2008	NA	NA	Indonesia Country Profile: Focus on smaller cities, Clean Air Initiative for Asian Cities Center, 2014
EurHI	Ireland	Dublin	15	2008	1 urban background, 4 suburban background, 2 urban traffic, and 1 traffic suburban stations	91	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Ireland	Cork	15	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Campobasso	20	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Genova	23	2008	0 urban background, 0 suburban background, 3 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Perugia	24	2008	1 urban background, 0 suburban background, 2 urban traffic, and 1 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Cagliari	26	2008	0 urban background, 0 suburban background, 4 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Livorno	26	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Taranto	27	2008	1 urban background, 1 suburban background, 0 urban traffic, and 1 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Novara	28	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	76	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Trento	29	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Prato	29	2008	2 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Forli	30	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	82	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Ancona	31	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Ravenna	33	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Catania	33	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	86	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Palermo	34	2008	0 urban background, 1 suburban background, 6 urban traffic, and 2 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Parma	34	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	91	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Roma	35	2008	4 urban background, 0 suburban background, 4 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Firenze	35	2008	2 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Rimini	35	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Venezia	36	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Bologna	37	2008	0 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Reggio nell Emilia	37	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Pescara	37	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Cremona	39	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Bergamo	40	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Brescia	41	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Modena	42	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Padova	43	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Napoli	44	2008	0 urban background, 1 suburban background, 3 urban traffic, and 0 traffic suburban stations	78	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Milano	44	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Italy	Torino	47	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
AmrLMI	Jamaica	Kingston	48	2008	1 station in residential area	NA	The National Environment & Planning Agency. Annual Report, Financial Year 2008-2009. Kingston, 2009.
EurLMI	Latvia	Riga	39	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Lithuania	Vilnius	21	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Lithuania	Panevežys	24	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Luxembourg	Luxembourg	18	2008	0 urban background, 1 suburban background, 2 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
WprLMI	Malaysia	Limbang	27	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Miri	28	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Sri Aman	31	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Sandakan	33	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Labuan (Victoria)	34	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Kangar	35	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Sarikei	36	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Sibu	37	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Alor Setar	38	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Gombak	39	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Putrajaya	39	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Seremban	39	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Tawau	39	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Keningau	40	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Port Dickson	40	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Sungai Petani	41	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Ipoh	42	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Kajang	45	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Kuala Selangor	45	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Muar (Bandar Maharani)	47	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Bintulu	49	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Kuala Lumpur	49	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Kuala Terengganu	51	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Johor Bahru	52	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Perai	52	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Shah Alam	54	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
WprLMI	Malaysia	Klang	65	2008	NA	NA	Compendium of Environment Statistics Malaysia 2009, Department of Statistics, Kuala Lumpur, 2009.
EurHI	Monaco	Monaco	18	2008	1 urban traffic and 1 urban background stations	NA	L'environnement en Principauté de Monaco, Recueil de données 2009. Direction de l'Environnment, 2009.
WprLMI	Mongolia	Ulaanbaatar	279	2008	1 station at national University of Mongolia, Ulaanbaatar	2 days per week	The World Bank. Air pollution in Ulaanbaatar. Discussion Paper. 2009.
EurHI	Netherlands	Zaanstad	22	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	91	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Netherlands	Heerlen	22	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Netherlands	Amsterdam	24	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Netherlands	Dordrecht	25	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Netherlands	s' Gravenhage	26	2008	1 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Netherlands	Breda	27	2008	0 urban background, 1 suburban background, 0 urban traffic, and 1 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Netherlands	Rotterdam	28	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Norway	Bergen	20	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Norway	Oslo	22	2008	1 urban background, 0 suburban background, 1 urban traffic, and 1 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Norway	Trondheim	25	2008	0 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Gdansk	18	2008	6 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Elbl?g	19	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Koszalin	19	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Zielona Gora	20	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Walbrzych	20	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	84	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Olsztyn	20	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	87	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Suwalki	21	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Szczecin	23	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Torun	24	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	87	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Bialystok	24	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Bydgoszcz	26	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	91	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Lublin	27	2008	4 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Gdynia	28	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Wloclawek	28	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	89	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Kalisz	29	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	84	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Lódz	29	2008	3 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Poznan	29	2008	4 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Plock	30	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	88	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Kielce	30	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Rzeszów	30	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	85	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Radom	30	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Opole	31	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Gorzów Wielkopolski	31	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Warszawa	32	2008	5 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Legnica	34	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Czestochowa	35	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	87	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Jelenia Gora	35	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Wroclaw	35	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	91	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Bytom	35	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	80	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Bielsko-Biala	36	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Dabrowa Górnicza	40	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Gliwice	40	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Katowice	42	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Zabrze	45	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Nowy Sacz	51	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Rybnik	54	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Poland	Kraków	64	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Portugal	Matosinhos	23	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Portugal	Maia	26	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	87	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Portugal	Funchal	27	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Portugal	Braga	28	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	91	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Portugal	Lisboa	30	2008	2 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	95	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Romania	Galaţi	18	2008	1 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	82	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Romania	Buzău	22	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	79	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Romania	Oradea	26	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	78	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Romania	Bacau	27	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	84	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Romania	Botoşani	29	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	86	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Romania	Bucuresti	48	2008	1 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	82	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Romania	Craiova	49	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	79	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Romania	Timisoara	51	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	91	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Romania	Iasi	54	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	82	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Serbia	Beograd	43	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Slovakia	Bratislava	23	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Slovakia	Nitra	25	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Slovakia	Trencín	26	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Slovakia	Košice	31	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Slovakia	Žilina	33	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Slovakia	Prešov	35	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Slovenia	Ljubljana	30	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Santiago de Compostela	18	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Logroño	19	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Badajoz	20	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Vitoria/Gasteiz	21	2008	0 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Palma de Mallorca	22	2008	0 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	83	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Valladolid	22	2008	0 urban background, 0 suburban background, 3 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	San Sebastián/Donostia	23	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Burgos	23	2008	1 urban background, 1 suburban background, 2 urban traffic, and 0 traffic suburban stations	91	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Pamplona/Iruña	23	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Toledo	23	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Marbella	24	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Madrid	26	2008	1 urban background, 1 suburban background, 6 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Salamanca	26	2008	1 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	85	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Móstoles	27	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Mataró	27	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	75	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Oviedo	27	2008	0 urban background, 1 suburban background, 1 urban traffic, and 1 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Santander	29	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Bilbao	30	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Jerez de la Frontera	31	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Córdoba	31	2008	1 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Málaga	32	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	85	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Cádiz	32	2008	0 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Jaén	32	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Albacete	33	2008	0 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Torrejón de Ardoz	39	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Granada	40	2008	1 urban background, 1 suburban background, 1 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Sevilla	45	2008	1 urban background, 1 suburban background, 0 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Spain	Zaragoza	45	2008	0 urban background, 0 suburban background, 1 urban traffic, and 1 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
Sear	Sri Lanka	Colombo	77	2008	1 station in city centre	NA	Ambient air quality report, Central Environment Agency (secondary source)
EurHI	Sweden	Malmö	18	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Sweden	Umeå	22	2008	0 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Sweden	Göteborg	24	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Sweden	Stockholm	28	2008	1 urban background, 0 suburban background, 3 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Switzerland	Zürich	21	2008	1 urban background, 1 suburban background, 2 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Switzerland	Genève	22	2008	0 urban background, 2 suburban background, 2 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Switzerland	Bern	24	2008	0 urban background, 1 suburban background, 2 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
Sear	Thailand	Khon Kaen	24	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Chon Buri	27	2008	3 stations	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Yala	28	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Phuket	28	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Narathiwat	29	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Surat Thani	32	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Chiang Rai	33	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Chachoengsao	34	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Songkhla	37	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Rayong	40	2008	4 stations	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Khlong Luang	42	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Chiang Mai	42	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Lampang	45	2008	4 stations	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Nakhon Sawan	46	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Nakhon Ratchasima	47	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Bang Kruai	47	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Pak Kret	49	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Ratchaburi	50	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Krathum Baen	51	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Phra Nakhon Si Ayutthaya	51	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Bangkok	54	2008	6 roadside and 8 general stations in Bangkok, and 31 stations in 22 other cities	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Phra Pradaeng	55	2008	2 stations	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
Sear	Thailand	Saraburi	59	2008	1 station	NA	Thailand State of Pollution Report 2008, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok, 2010.
EurLMI	The former Yugoslav Republic of Macedonia	Kocani	59	2008	1 urban traffic station	70	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	The former Yugoslav Republic of Macedonia	Veles	64	2008	1 urban traffic station	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	The former Yugoslav Republic of Macedonia	Bitola	66	2008	1 urban traffic station	76	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	The former Yugoslav Republic of Macedonia	Skopje	80	2008	3 urban traffic stations	64	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	The former Yugoslav Republic of Macedonia	Tetovo	84	2008	1 urban traffic station	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Turkey	Izmir	55	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	87	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Turkey	Istanbul	59	2008	9 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Turkey	Trabzon	60	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	78	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Turkey	Edirne	65	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	86	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Turkey	Antalya	77	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	77	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Turkey	Balikesir	84	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	80	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Turkey	Erzurum	95	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	87	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Turkey	Hatay	98	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	88	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Turkey	Denizli	100	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	91	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Turkey	Kars	103	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	77	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Turkey	Konya	104	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	88	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurLMI	Turkey	Van	146	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EmrHI	United Arab Emirates	Abu Dhabi	117	2008	1 down-town, 2 urban/residential and 1 roadside stations	NA	Statistics Centre - Abu Dhabi. Statistical Yearbook of Abu Dhabi 2010.
EmrHI	United Arab Emirates	Al Ain	158	2008	1 road-side and 1 residential station	NA	Statistics Centre - Abu Dhabi. Statistical Yearbook of Abu Dhabi 2010.
EurHI	United Kingdom	Wirral	14	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Edinburgh	15	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Birmingham	16	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Liverpool	16	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Aberdeen	17	2008	2 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Leicester	17	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	97	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Blackpool	17	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Newcastle upon Tyne	17	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	85	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Kingston-upon-Hull	17	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Swansea	17	2008	0 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Coventry	18	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	92	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Nottingham	18	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Belfast	18	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Preston	19	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	86	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Stoke-on-trent	19	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Manchester	20	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Southend-on-Sea	20	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	81	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Cardiff	20	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	88	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Bristol	21	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Southampton	21	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	94	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Bournemouth	21	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	98	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	York	21	2008	1 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	96	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Sheffield	22	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	100	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Leeds	23	2008	2 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Derry	23	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	77	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Portsmouth	24	2008	1 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations	89	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	Glasgow	24	2008	2 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	90	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	United Kingdom	London	29	2008	4 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations	91	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
AmrLMI	Venezuela	Caracas	37	2008	3 stations	NA	INE, Estadisticas Ambientales, Concentración promedio anual de partículas totales suspendidas (PM10) en el aire, 2007-2008. http://www.ine.gov.ve/aspectosambientales/aspectosambientales/ambien_AireAtmosfera_2.htm (accessed 6 April 2011).
AmrLMI	Venezuela	Maracay	44	2008	1 station	NA	INE, Estadisticas Ambientales, Concentración promedio anual de partículas totales suspendidas (PM10) en el aire, 2007-2008. http://www.ine.gov.ve/aspectosambientales/aspectosambientales/ambien_AireAtmosfera_2.htm (accessed 6 April 2011).
AmrLMI	Venezuela	Barcelona / Puerto La Cruz	58	2008	1 station	NA	INE, Estadisticas Ambientales, Concentración promedio anual de partículas totales suspendidas (PM10) en el aire, 2007-2008. http://www.ine.gov.ve/aspectosambientales/aspectosambientales/ambien_AireAtmosfera_2.htm (accessed 6 April 2011).
Sear	Bangladesh	Chittagong	71	2007	1 station	NA	Clean Air Inititive Asia, CitiesACT database, 2010. www.citiesact.org (accessed 2 February 2011)
Sear	Bangladesh	Dhaka	134	2007	1 station in 1 city (capital), City Centre (Parliament)	NA	Clean Air Inititive Asia, CitiesACT database, 2010. www.citiesact.org (accessed 2 February 2011)
AmrLMI	Bolivia (Plurinational State of)	Cochabamba	80	2007	1 station, most probably residential	NA	Monitoreo de calidad del aire - Red Monica Bolivia, http://www.redmonica.com/red_monica.php (accessed 8 Feb 2011).Otherwise, a reference for Cochabamba for 2006 here: http://www.swisscontact.bo/sw_files/myelbwfeere.pdf
AmrLMI	Bolivia (Plurinational State of)	Santa Cruz de la Sierra	83	2007	2 low trafic stations	NA	Monitoreo de calidad del aire - Red Monica Bolivia, http://www.redmonica.com/red_monica.php (accessed 8 Feb 2011).Otherwise, a reference for Cochabamba for 2006 here: http://www.swisscontact.bo/sw_files/myelbwfeere.pdf
AmrLMI	Chile	Valparaiso	43	2007	NA	NA	Sistema Nacional de Informacion Ambiental (SINIA).Informe - Relacion de la norma de calidad primaria MP2.5 con la nirma de calidad primaria de MP10. (accessed 3 May 2011).
AmrLMI	Chile	Concepcion	49	2007	NA	NA	Sistema Nacional de Informacion Ambiental (SINIA).Informe - Relacion de la norma de calidad primaria MP2.5 con la nirma de calidad primaria de MP10. (accessed 3 May 2011).
AmrLMI	Chile	Talca	49	2007	3 stations	NA	Sistema Nacional de Informacion Ambiental (SINIA). Monitoreo del Aire. (accessed 30 September 2011).
AmrLMI	Chile	Chillan	52	2007	NA	NA	Sistema Nacional de Informacion Ambiental (SINIA).Informe - Relacion de la norma de calidad primaria MP2.5 con la nirma de calidad primaria de MP10. (accessed 3 May 2011).
AmrLMI	Colombia	Medellin	68	2007	NA	NA	Redaire - Red de Vigilancia de la calidad del aire; http://www.unalmed.edu.co/redaire/index.php (accessed 5 May 2011)
AmrLMI	Colombia	Bogota	77	2007	NA	NA	Secretaria Distrital Ambiente - Informe Annual de Qualidad del Aire Bogota; http://www.secretariadeambiente.gov.co/sda/libreria/pdf/InformeAnual/Informe2008.pdf (accessed 5 May 2011)
AmrLMI	Costa Rica	San Jose	28	2007	NA	NA	Ministerio de Ambiente, Energia y Telecomunicaciones (MINAET) - Dirección de Gestión de Calidad Ambiental; http://www.digeca.go.cr/documentos/aire/SEGUNDO%20INFORME%20CALIDAD%20DE%20AIRE%20FINAL%202.pdf (accessed 29 May 2011)
EurHI	Cyprus	Nicosia	53	2007	1 urban traffic station	99	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
AmrLMI	El Salvador	San Salvador	48	2007	3 stations	NA	Perfil de proyecto - Ministerio de Medio Ambiente y Recursos Naturales, Direccion General de Inspectoria Ambiental
AmrLMI	El Salvador	Soyapango	56	2007	1 station	NA	Perfil de proyecto - Ministerio de Medio Ambiente y Recursos Naturales, Direccion General de Inspectoria Ambiental
EurHI	Israel	Ashkelon	61	2007	NA	NA	Central Bureau of Statistics. Statistical Abstracts of Israel, 2010.
EurHI	Malta	Zeijtun	29	2007	1 uban background station	93	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
EurHI	Malta	Msida	43	2007	1 urban traffic station	88	European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.
Sear	Myanmar	Mandalay	87	2007	1 commeracial and one residential station	Limited to 2 point measurements	National Commission for Environmental Affairs (NCEA), with Yangon City Development Committee (YCDC) and Department of Medical Research (DMR)
Sear	Myanmar	Yangon	96	2007	1 commercial and 1 residential station	Limited to 2 point measurements	National Commission for Environmental Affairs (NCEA), with Yangon City Development Committee (YCDC) and Department of Medical Research (DMR)
WprLMI	Philippines	Metro Manila	47	2007	3 stations in Metro Manila	NA	Environmental Management Bureau. National Air Quality Status Report (2005-2007), 2009.
WprHI	Republic of Korea	Daejeon	49	2007	9 monitoring stations, from urban background, roadside, commercial locations.	NA	Minsitry of Environment. 2008 Environmental Statistics Yearbook. 2008.
WprHI	Republic of Korea	Gwangju	52	2007	9 monitoring stations, from urban background, roadside, commercial locations.	NA	Minsitry of Environment. 2008 Environmental Statistics Yearbook. 2008.
WprHI	Republic of Korea	Ulsan	53	2007	14 monitoring stations, from urban background, roadside, commercial locations.	NA	Minsitry of Environment. 2008 Environmental Statistics Yearbook. 2008.
WprHI	Republic of Korea	Incheon	54	2007	20 monitoring stations, from urban background, roadside, commercial locations.	NA	Minsitry of Environment. 2008 Environmental Statistics Yearbook. 2008.
WprHI	Republic of Korea	Suwon	62	2007	NA	NA	Minsitry of Environment. 2008 Environmental Statistics Yearbook. 2008.
WprHI	Republic of Korea	Bucheon	64	2007	NA	NA	Minsitry of Environment. 2008 Environmental Statistics Yearbook. 2008.
WprHI	Republic of Korea	Daegu	64	2007	13 monitoring stations, from urban background, roadside, commercial locations.	NA	Minsitry of Environment. 2008 Environmental Statistics Yearbook. 2008.
WprHI	Republic of Korea	Seongnam	64	2007	NA	NA	Minsitry of Environment. 2008 Environmental Statistics Yearbook. 2008.
WprHI	Republic of Korea	Seoul	64	2007	40 monitoring stations, from urban background, roadside, commercial locations.	NA	Minsitry of Environment. 2008 Environmental Statistics Yearbook. 2008.
WprHI	Republic of Korea	Anyang	68	2007	NA	NA	Minsitry of Environment. 2008 Environmental Statistics Yearbook. 2008.
WprHI	Republic of Korea	Busan	68	2007	19 monitoring stations, from urban background, roadside, commercial locations.	NA	Minsitry of Environment. 2008 Environmental Statistics Yearbook. 2008.
Afr	Algeria	Alger	42	2006	2 stations in capital city	NA	Samasafia. Rapport Annuel 2006. Ministère de l'Aménagement du Territoire, de l'Environnement et du Tourisme. Alger, 2006.
Sear	Bhutan	Thiumphu	18	2006	1 urban background station in 1 city	NA	Strategy for Air Quality assessment and management in Bhutan, National Environment Commission Secretariat, Bhutan, 2010
Afr	Nigeria	Lagos	122	2006	NA	NA	Efe S. Spatial distribution of particulate air pollution in Nigerian ities: implications for human health. 2008;7(2). Available at: Journal of Environmental Health Research.
EmrLMI	Tunisia	Ben Arous	47	2006	1 station	NA	Rapport annuel sur la qualité de l'air en Tunisie 2006, Agence National de la Protection de l'environnement.
EmrLMI	Tunisia	Sousse	54	2006	1 station	NA	Rapport annuel sur la qualité de l'air en Tunisie 2006, Agence National de la Protection de l'environnement.
EmrLMI	Tunisia	Bizerte	86	2006	1 station	NA	Rapport annuel sur la qualité de l'air en Tunisie 2006, Agence National de la Protection de l'environnement.
EmrLMI	Tunisia	Sfax	87	2006	1 station	NA	Rapport annuel sur la qualité de l'air en Tunisie 2006, Agence National de la Protection de l'environnement.
EmrLMI	Tunisia	Tunis	87	2006	1 station	NA	Rapport annuel sur la qualité de l'air en Tunisie 2006, Agence National de la Protection de l'environnement.
Afr	United Republic of Tanzania	Dar es Salaam	64	2005-2006	2 roadside stations	4 months per year, in wet season and dry season	Mkoma SL, Chi X, Maenhaut W. Characteristics of carbonaceous aerosols in ambient PM10 and PM2.5 particles in Dar es Salaam, Tanzania. Sci. Total Environ. 2010;408(6):1308-1314.
Afr	Botswana	Gaborone	216	2005	1 station, city centre	10 monthly means	Botswana Environmental Information System, Ambient Air Quality PM10. Ministry of Environment, Wildlife and Tourism. 2011.
AmrLMI	Colombia	Calli	54	2005	NA	NA	Departamento Administrativo de Gestion de Medio Ambiente - Informe Calidad del Aire; http://www.cali.gov.co/cinterno/publicaciones.php?id=1024 (accessed 5 May 2011)
Sear	Nepal	Kathmandu Valley	106	2005	1 urban roadside, 1 urban background, 1 urban residential and 1 suburban station	NA	Ministry of Environment, Science and Technology, Singh Durbar, Kathmandu, Ambient Air Quality of Kathmandu Valley, 2007
EmrHI	Kuwait	Kuwait City	123	2004	1 station in city centre	NA	Brown KW, Bouhamra W, Lamoureux DP, Evans JS, Koutrakis P. Characterization of Particulate Matter for Three Sites in Kuwait. J Air & Waste Manage. Assoc. 58:994-1003, 2008.
EmrLMI	Lebanon	Beirut	53	2004	7 stations in Beirut	According to the station, ranging from 5 measurements per year to every 6 days	Saliba et al. Short and long-term transport of crustal and anthropogenic inorganic components of coarse and fine aerosols over Beirut, Lebanon. In: Mellouki A, Ravishankara AR eds. Regional Climate Variability and its Impacts in The Mediterranean Area. Do
EmrLMI	Pakistan	Rawalpindi	185	2003-2004	5 monitoring stations in the city	8 days over a 1-year period.	Ghauri B, Lodhi A, Mansha M. Development of baseline (air quality) data in Pakistan. Environ Monit Assess. 2007;127(1-3):237-252.
EmrLMI	Pakistan	Islamabad	189	2003-2004	3 monitoring stations in the city	8 days over a 1-year period.	Ghauri B, Lodhi A, Mansha M. Development of baseline (air quality) data in Pakistan. Environ Monit Assess. 2007;127(1-3):237-252.
EmrLMI	Pakistan	Karachi	193	2003-2004	10 monitoring stations in the city	8 days over a 1-year period.	Ghauri B, Lodhi A, Mansha M. Development of baseline (air quality) data in Pakistan. Environ Monit Assess. 2007;127(1-3):237-252.
EmrLMI	Pakistan	Lahore	200	2003-2004	7 monitoring stations in the city	8 days over a 1-year period.	Ghauri B, Lodhi A, Mansha M. Development of baseline (air quality) data in Pakistan. Environ Monit Assess. 2007;127(1-3):237-252.
EmrLMI	Pakistan	Peshawar	219	2003-2004	5 monitoring stations in the city	8 days over a 1-year period.	Ghauri B, Lodhi A, Mansha M. Development of baseline (air quality) data in Pakistan. Environ Monit Assess. 2007;127(1-3):237-252.
EmrLMI	Pakistan	Quetta	251	2003-2004	3 monitoring stations in the city	8 days over a 1-year period.	Ghauri B, Lodhi A, Mansha M. Development of baseline (air quality) data in Pakistan. Environ Monit Assess. 2007;127(1-3):237-252.
Afr	Madagascar	Antanananrivo	68	2003	5 stations in various neighbourhaod of capital city	3 months/year	Ministère de l'environnement et des Forêts. Rapport sur l'Etat de l'Environnement de Madagascar, 2007. Madagascar, 2007.
EmrHI	Saudi Arabia	Yanbu	108	2003	NA	NA	The Eighth Development Plan (1425/1426 - 1429/1430)A.H (2005 -2009)A.D
EmrHI	Saudi Arabia	Dammam	121	2003	NA	NA	The Eighth Development Plan (1425/1426 - 1429/1430)A.H (2005 -2009)A.D
EmrHI	Saudi Arabia	Jeddah	129	2003	NA	NA	The Eighth Development Plan (1425/1426 - 1429/1430)A.H (2005 -2009)A.D
EmrHI	Saudi Arabia	Makkah	142	2003	NA	NA	The Eighth Development Plan (1425/1426 - 1429/1430)A.H (2005 -2009)A.D
EmrHI	Saudi Arabia	Al-Hafouf	151	2003	NA	NA	The Eighth Development Plan (1425/1426 - 1429/1430)A.H (2005 -2009)A.D
EmrHI	Saudi Arabia	Riyadh	157	2003	NA	NA	The Eighth Development Plan (1425/1426 - 1429/1430)A.H (2005 -2009)A.D