.

Annual mean PM10 (Particulate matter with diameter of 10 μm or less), by country

.

RegionCountryISO codesAnnual mean PM10 ug/m3YearNumber and location of stationsTemporal coverage (%)ReferenceUrban population coverage (%)Reported or calculated mean<20 Distribution of urban population into pollution levels (in %)
(based on city means)
ug/m3
20-30 Distribution of urban population into pollution levels (in %)
(based on city means)
ug/m3
30-50 Distribution of urban population into pollution levels (in %)
(based on city means)
ug/m3
50-70 Distribution of urban population into pollution levels (in %)
(based on city means)
ug/m3
70-90 Distribution of urban population into pollution levels (in %)
(based on city means)
ug/m3
90-110 Distribution of urban population into pollution levels (in %)
(based on city means)
ug/m3
110-130 Distribution of urban population into pollution levels (in %)
(based on city means)
ug/m3
130-170 Distribution of urban population into pollution levels (in %)
(based on city means)
ug/m3
170-210 Distribution of urban population into pollution levels (in %)
(based on city means)
ug/m3
Total Distribution of urban population into pollution levels (in %)
(based on city means)
ug/m3

.

AfrAlgeriaDZ4220062 stations in capital cityNASamasafia. Rapport Annuel 2006. Ministère de l'Aménagement du Territoire, de l'Environnement et du Tourisme. Alger, 2006.15%ReportedNANANANANANANANANANA

.

AmrLMIArgentina AR3820102 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 stationBuenos Aires Ciudad. Calidad Ambiental - Laboratorio. 2011.35%CalculatedNANANANANANANANANANA

.

WprHIAustralia AU13200918 stations in 10 cities; urban background, cities above 100,00090Environmental Protection Authority, ACT air quality report 2009, June 2010. Northern Territory Government. Northern Territory Air Monitoring Report 2009. NSW Government, New South Wales Annual Compliance Report 2009. Queensland Government, Department of E89%Calculated100%0%0%0%0%0%0%0%0%100%

.

EurHIAustria AT2520085 urban background, 5 suburban background, 13 urban traffic, and 2 traffic suburban stations96European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.38%Calculated0%89%11%0%0%0%0%0%0%100%

.

SearBangladeshBD12020072 stations in 2 citiesNAClean Air Inititive Asia, CitiesACT database, 2010. www.citiesact.org (accessed 2 February 2011)41%CalculatedNANANANANANANANANANA

.

EurLMIBelarusBY2420084 urban stations97European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.39Calculated18%82%0%0%0%0%0%0%0%100%

.

EurHIBelgiumBE2620082 urban background, 12 suburban background, 2 urban traffic, and 1 traffic suburban stations95European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.22%Calculated0%100%0%0%0%0%0%0%0%100%

.

SearBhutanBT1820061 urban background station in 1 cityNAStrategy for Air Quality assessment and management in Bhutan, National Environment Commission Secretariat, Bhutan, 201040%ReportedNANANANANANANANANANA

.

AmrLMIBolivia (Plurinational State of)BO8220073 residential/low traffic stations in 2 citiesNAReference39Calculated0%0%0%0%100%0%0%0%0%100%

.

EurLMIBosnia and HerzegovinaBA1172,0081 urban background station88European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.21%CalculatedNANANANANANANANANANA

.

AfrBotswanaBW21620051 station, city centre10 monthly meansBotswana Environmental Information System, Ambient Air Quality PM10. Ministry of Environment, Wildlife and Tourism. 2011.27%CalculatedNANANANANANANANANANA

.

AmrLMIBrazilBR40200968 stations in 4 StatesNARelatorio Annual da Qualidade do Ar do Estado do Rio de Janeiro; 2009 Qualidade do Ar No Estado de Sao Paulo. Monitoramento da Qualidade do Ar na Região Metropolitana de Belo Horizonte em 2009. Relatorio da qualidade do ar na regiao metropolitana de Curit33Calculated1%29%48%22%0%0.0%0%0%0%100%

.

EurHIBulgariaBG6020083 urban background, 5 suburban background, 2 urban traffic, and 1 traffic suburban stations93European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.40%Calculated0%0%31%69%0%0%0%0%0%100%

.

AmrHICanadaCA132008118 stations in 70 agglomerations over 2,000 inhabitants, 78 urban residential and 40 urban commercial locationsNAEnvironment Canada. Ground-level Ozone and Fine Particulate Matter (PM2.5) Concentrations at Monitoring Stations, Canada, 200878%Calculated100%0%0%0%0%0%0%0%0%100%

.

AmrLMIChileCL622007-2008NANASistema 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).62Calculated0%0%27%71%3%0%0%0%0%100%

.

WprLMIChinaCN982009NANAChina Statistical Yearbook 2010. Nattional Bureau of Statistics, 2010. 24%Calculated0%0%1%5%28%36%25%3%2%100%

.

AmrLMIColombiaCO712005-2007NANASecretaria Distrital Ambiente - Informe Annual de Qualidad del Aire Bogota; Redaire - Red de Vigilancia de la calidad del aire, Medellin; Departamento Administrativo de Gestion de Medio Ambiente - Informe Calidad del Aire, Calli 34Calculated0%0%0%38%62%0%0%0%0%100%

.

AmrLMICosta RicaCR282007NANAMinisterio 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)55CalculatedNANANANANANANANANANA

.

EurHICroatia HR3320085 urban traffic stations in 3 cities97European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.37%Calculated0%16%84%0%0%0%0%0%0%100%

.

EurHICyprusCY5320071 urban traffic station99European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.100%CalculatedNANANANANANANANANANA

.

EurHICzech Republic CZ29200813 urban background, 9 suburban background, 15 urban traffic, and 0 traffic suburban stations97European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.35%Calculated0%70%30%0%0%0%0%0%0%100%

.

EurHIDenmarkDK2720081 urban background, 0 suburban background, 3 urban traffic, and 0 traffic suburban stations85.5European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.21%Calculated0%81%19%0%0%0%0%0%0%100%

.

AmrLMIEcuadorEC3520099 stations in 2 citiesNAInforme de la Calidad del Aire del Distrito Metropolitano Quito 2009. Informe de la calidad del Aire Cuenca, 2009.22Calculated0%0%100%0%0%0%0%0%0%100%

.

EmrLMIEgyptEG13820082 traffic, 9 residential and 3 mixed industrial/residential stationsNAEgypt State of Environment Report 200721ReportedNANANANANANANANANANA

.

AmrLMIEl SalvadorSV5220074 stations in 2 citiesNAPerfil de proyecto - Ministerio de Medio Ambiente y Recursos Naturales, Direccion General de Inspectoria Ambiental14Calculated0%0%57%43%0%0%0%0%0%100%

.

EurHIEstoniaEE1120081 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations89.9European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.43%CalculatedNANANANANANANANANANA

.

EurHIFinlandFI1920081 urban background, 1 suburban background, 3 urban traffic, and 0 traffic suburban stations99European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.20%Calculated18%82%0%0%0%0%0%0%0%100%

.

EurHIFranceFR27200869 urban background, 36 suburban background, 22 urban traffic, and 4 traffic suburban stations94European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.38%Calculated13%55%31%0%0%0%0%0%0%100%

.

EurHIGermanyDE25200853 urban background, 20 suburban background, 84 urban traffic, and 0 traffic suburban stations98European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.36%Calculated4%94%2%0%0%0%0%0%0%100%

.

AfrGhanaGH9820084 residential and 1 roadside station in AccraNADionisio 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.  18%CalculatedNANANANANANANANANANA

.

EurHIGreeceGR44200811 urban traffic and suburban background stations in 5 cities88European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.66%Calculated0%0%81%19%0%0%0%0%0%100%

.

AmrLMIGuatemalaGT4820081 station in residential area, capital cityNAUniversidad de San Carlos de Guatemala. Informe Annual, Monitoreao del Aire en la ciudad de Guatemala. Guatemala, 2009.45CalculatedNANANANANANANANANANA

.

EurHIHungaryHU2720083 urban background, 2 suburban background, 3 urban traffic, and 0 traffic suburban stations80European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.30%Calculated6%94%0%0%0%0%0%0%0%100%

.

EurHIIcelandIS2420080 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations94European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.40%CalculatedNANANANANANANANANANA

.

SearIndiaIN1092008Mean in residential areas measured in 25 StatesNACentral Pollution Control Board, Ministry of Environment & Forests. National ambient air quality status 2008. 2009.91% by state (37% by metropolitan city)Calculated0%0%4%11%22%24%19%2%18%100%

.

SearIndonesiaID55200810 stations in 4 major citiesNAIndonesia Country Profile: Focus on smaller cities, Clean Air Initiative for Asian Cities Center, 200919%Calculated4%0%54%30%0%0%12%0%0%100%

.

EurHIIrelandIE1520081 urban background, 5 suburban background, 3 urban traffic, and 1 traffic suburban stations92European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.21%Calculated100%0%0%0%0%0%0%0%0%100%

.

EurHIIsraelIL5920091 urban traffic, 3 residential and 1 commercial urban stationsNACentral Bureau of Statistics. Statistical Abstracts of Israel, 2010.64%Calculated0%0%6%94%0%0%0%0%0%100%

.

EurHIItalyIT37200830 urban background, 6 suburban background, 43 urban traffic, and 4 traffic suburban stations92European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.28%Calculated0%16%84%0%0%0%0%0%0%100%

.

AmrLMIJamaicaJM4820081 station in residential areaNAThe National Environment & Planning Agency. Annual Report, Financial Year 2008-2009. Kingston, 2009.47CalculatedNANANANANANANANANANA

.

WprHIJapanJP22200847 monitoring stations in residential and other areas (excluding roadside stations)NAMinistry of the Environment (2009). http://www.env.go.jp/air/osen/jokyo_h20/rep02.pdf (accessed 2 March 2011).13%ReportedNANANANANANANANANANA

.

EmrHIKuwaitKW12320031 station in city centreNABrown 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, 2008.71ReportedNANANANANANANANANANA

.

EurLMILatviaLV3920080 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations95European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.48%CalculatedNANANANANANANANANANA

.

EmrLMILebanonLB5320047 stations in BeirutAccording to the station, ranging from 5 measurements per year to every 6 daysSaliba 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. Do51CalculatedNANANANANANANANANANA

.

EurLMILithuaniaLT2120083 urban background, 0 suburban background, 1 urban traffic, and 0 traffic suburban stations98European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.30%Calculated0%100%0%0%0%0%0%0%0%100%

.

EurHILuxembourgLU1820080 urban background, 1 suburban background, 2 urban traffic, and 0 traffic suburban stations99European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.21%CalculatedNANANANANANANANANANA

.

EurLMIThe former Yugoslav Republic of MacedoniaMK7020087 urban traffic stations81European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.100%CalculatedNANANANANANANANANANA

.

AfrMadagascarMG6820035 stations in various neighbourhoods of capital city3 months/yearMinistère de l'environnement et des Forêts. Rapport sur l'Etat de l'Environnement de Madagascar, 2007. Madagascar, 2007. 30%CalculatedNANANANANANANANANANA

.

WprLMIMalaysiaMY42200851 sampling stationsNAAir quality. Department of Environment, Malaysia.42%Reported0%3%65%32%0%0%0%0%0%100%

.

EurHIMaltaMT3520072 stations in urban background and traffic locations in two localities91European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.13%CalculatedNANANANANANANANANANA

.

AfrMauritiusMU1220092 stations in St Louis2 months/yearCentral Statistics Office. Environment Statistics 2009, Madagascar, 2009.27%CalculatedNANANANANANANANANANA

.

AmrLMIMexicoMX552009NANACompendio 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 2011.46Calculated0%0%21%66%10%0.3%0%2%0%100%

.

EurHIMonacoMC1820081 urban traffic and 1 urban background stationsNAL'environnement en Principauté de Monaco, Recueil de données 2009. Direction de l'Environnment, 2009.100%CalculatedNANANANANANANANANANA

.

WprLMIMongoliaMN27920081 station at national University of Mongolia, Ulaanbaatar2 days per weekThe World Bank. Air pollution in Ulaanbaatar. Discussion Paper. 2009.70%ReportedNANANANANANANANANANA

.

SearMyanmarMM9420072 commercial and 2 residential stations in 2 citiesLimited to 2 point measurementsNational Commission for Environmental Affairs (NCEA), with Yangon City Development Committee (YCDC) and Department of Medical Research (DMR)34%CalculatedNANANANANANANANANANA

.

SearNepalNP10620051 urban roadside, 1 urban background, 1 urban residential and 1 suburban stationNAMinistry of Environment, Science and Technology, Singh Durbar, Kathmandu, Ambient Air Quality of Kathmandu Valley, 200719%CalculatedNANANANANANANANANANA

.

EurHINetherlandsNL2620080 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations96European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.17%Calculated0%100%0%0%0%0%0%0%0%100%

.

WprHINew ZealandNZ222009Several monitoring stations in main population centres NAMinistry of Environment. New Zealand annual guideline for PM10. 2010.64%Calculated5%95%0%0%0%0%0%0%0%100%

.

AfrNigeriaNG124200614 stations in 14 citiesNAEfe S. Spatial distribution of particulate air pollution in Nigerian ities: implications for human health. 2008;7(2). Available at: Journal of Environmental Health Research.  40%ReportedNANANANANANANANANANA

.

EurHINorwayNO2220082 urban background, 0 suburban background, 4 urban traffic, and 1 traffic suburban stations95European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.25%Calculated0%100%0%0%0%0%0%0%0%100%

.

EmrLMIPakistanPK1982003-200433 stations in 6 cities8 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.  40Calculated0%0%0%0%0%0%0%0%91%9%

.

AmrLMIPanamaPA402009LocationNAInforme sobre la calidad del aire en la cuidad de Panama 2009. Universidad de Panama, Panama, 2009.29Calculated0%58%0%42%0%0%0%0%0%100%

.

AmrLMIPeruPE7420104 stationsNAPrograma Nacional de Vigilancia Sanitaria de Calidad del Aire. http://www.digesa.sld.pe/DEPA/pral2/index.asp (accessed 3 May 2011).41Calculated0%0%9%0%91%0%0%0%0%100%

.

WprLMIPhilippinesPH4720073 stations in Metro ManilaNAEnvironmental Management Bureau. National Air Quality Status Report (2005-2007), 2009.22%CalculatedNANANANANANANANANANA

.

EurLMIPolandPL33200865 urban background, 0 suburban background, 9 urban traffic, and 0 traffic suburban stations93European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.46%Calculated8%39%44%9%0%0%0%0%0%100%

.

EurHIPortugalPT2820084 urban background, 3 suburban background, 5 urban traffic, and 0 traffic suburban stations92European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.17%Calculated0%52%48%0%0%0%0%0%0%100%

.

WprHIRepublic of Korea612007More than 100 monitoring stations throughout the country, generally urban background locations; further information on location of monitoring station: http://www.airkorea.or.kr/airkorea/eng/information/main.jsp?action=stationNAMinsitry of Environment. 2008 Environmental Statistics Yearbook. 2008.67%Calculated0%0%6%94%0%0%0%0%0%100%

.

EurLMIRomaniaRO4220089 urban background, 2 suburban background, 3 urban traffic, and 0 traffic suburban stations82European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.35%Calculated8%16%60%16%0%0%0%0%0%100%

.

EurLMIRussian FederationRU32.520094 suburban and 2 urban stations97European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.11%CalculatedNANANANANANANANANANA

.

EurHISan MarinoSM2020091 station in centre of only city (urban traffic location)97Istituto Sicurezza Sociale. Monitoraggio qualità dell'aria, Anno 2009. Dipartimento di sanita pubblica, 2010.100%CalculatedNANANANANANANANANANA

.

EmrHISaudi ArabiaSA1432003NANAThe Eighth Development Plan (1425/1426 - 1429/1430)A.H (2005 -2009)A.D52Calculated0%0%0%0%0%2%37%61%0%100%

.

AfrSenegalSN14520102 stations, two in traffic area and one urban backgroundNAMinistère 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. 2010.50%CalculatedNANANANANANANANANANA

.

EurLMISerbiaRS4320081 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations92European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.22%CalculatedNANANANANANANANANANA

.

WprHISingaporeSG32200911 stations in urban background, industrial, commercial, suburban and roadside locations distributed all over SingaporeNASingapore Department of Statistics. Yearbook of Statistics Singapore, 2010.100%Reported0%0%100%0%0%0%0%0%0%100%

.

EurHISlovakiaSK2720087 urban background, 0 suburban background, 2 urban traffic, and 0 traffic suburban stations98European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.21%Calculated0%36%64%0%0%0%0%0%0%100%

.

EurHISloveniaSI3020081 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations99European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.28%CalculatedNANANANANANANANANANA

.

AfrSouth AfricaZA5220099 stations in 2 cities (many other stations exist in the country but could not be accessed)NAEthekwini Health Department. Ethkwini air quality monitoring network report 2009; Joburg Air Quality Management and Climate Change. http://www.saaqis.org.za/Downloads.aspx?type=AQ.21%CalculatedNANANANANANANANANANA

.

EurHISpainES29200817 urban background, 13 suburban background, 23 urban traffic, and 2 traffic suburban stations94European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.27%Calculated2%61%36%0%0%0%0%0%0%100%

.

SearSri Lanka LK7720081 station in city centreNAAmbient air quality report, Central Environment Agency (secondary source)22%ReportedNANANANANANANANANANA

.

EurHISwedenSE2520080 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations97European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.21%Calculated17%83%0%0%0%0%0%0%0%100%

.

EurHISwitzerlandCH2220081 urban background, 4 suburban background, 6 urban traffic, and 0 traffic suburban stations100European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.12%Calculated0%100%0%0%0%0%0%0%0%100%

.

AfrUnited Republic of TanzaniaTZ642005-20062 roadside stations4 months per year, in wet season and dry seasonMkoma 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.  29%CalculatedNANANANANANANANANANA

.

SearThailandTH412008Annual average from 53 stations in 21 provinces of the countryNAClean air Initiative for Asian Cities. 'Thailand country profile. CAI-Asia Center, June 2009; Data collected by: Thailand Pollution Control Department60%Reported0%6%16%78%0%0%0%0%0%100%

.

EmrLMITunisiaTN8020065 stations in 5 citiesNARapport annuel sur la qualité de l'air en Tunisie 2006, Agence National de la Protection de l'environnement.74Calculated0%0%6%13%82%0%0%0%0%100%

.

EurLMITurkey TR66200821 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations86European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.29%Calculated0%0%0%81%6%11%0%2%0%100%

.

EmrHIUnited Arab EmiratesAE13220086 stations in 2 cities, urban, residential and roadside, but not industrialNAStatistics Centre - Abu Dhabi. Statistical Yearbook of Abu Dhabi 2010.31CalculatedNANANANANANANANANANA

.

EurHIUnited Kingdom GB2320080 urban background, 0 suburban background, 0 urban traffic, and 0 traffic suburban stations93European Environment Agency. AirBase: public air quality database - Air pollution. Available from: http://www.eea.europa.eu/themes/air/airbase, accessed 2 May 2011.29%Calculated35%65%0%0%0%0%0%0%0%100%

.

AmrHIUnited States of AmericaUS182008728 sites in 375 locations throughout the countryNAUSEPA. Particulate matter. Local trends in particulate matter trends. http://www.epa.gov/airtrends/pm.html (accessed 12 May 2011)NAReported59%41%1%00%0%0%0%0%100%

.

AmrLMIUruguay UY3920093 stations in capital cityNAIntendencia Municipal de Montevideo, Desarollo Ambiental. Calidad del Aire de Montevideo Informe Annual 2009, Montevideo, 2010.43ReportedNANANANANANANANANANA

.

AmrLMIVenezuelaVE4120085 stations in 3 citiesNAINE, 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).11Reported0%0%86%0%14%0%0%0%0%100%

.

EmrLMIIran (Islamic Republic of)IR124200968 monitoring stations in 18 cities68%Department of Environment (DOE)45Calculated0%0%0%6%18%49%6%2%18%100%