SmogRank / History / August 11, 2024

Most polluted cities on August 11, 2024

2,378 cities ranked by their average PM2.5 over the day; the worst was Osorno, Chile, at 82.9 µg/m³. Each city's own local calendar day.

← Osorno 82.9 µg/m³ 80 µg/m³15 WHO 24-hour guideline
Every city ranked for August 11, 2024, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1OsornoLos Lagos Region, Chile
    1705.5×
  2. 2Puerto VarasLos Lagos Region, Chile
    1634.8×
  3. 3AltamontOregon, United States
    1554.1×
  4. 4La UniónLos Ríos Region, Chile
    1544.0×
  5. 5Kampalalow-cost sensorsCentral Region, Uganda
    1533.9×
  6. 6ValdiviaLos Ríos Region, Chile
    1523.8×
  7. 7Santa Anita - Los FicusLima region, Peru
    1523.8×
  8. 8MaputoMaputo City, Mozambique
    1523.8×
  9. 9TemucoAraucania, Chile
    1513.7×
  10. 10Puerto MonttLos Lagos Region, Chile
    1453.6×
  11. 11SantiagoSantiago Metropolitan, Chile
    1423.5×
  12. 12HualquiBiobio, Chile
    1343.3×
  13. 13TalaganteSantiago Metropolitan, Chile
    1333.2×
  14. 14N'DjamenaN’Djaména, Chad
    1333.2×
  15. 15RengoO'Higgins Region, Chile
    1303.2×
  16. 16VillarricaAraucania, Chile
    1303.2×
  17. 16Prince GeorgeBritish Columbia, Canada
    1303.2×
  18. 18RancaguaO'Higgins Region, Chile
    1233.0×
  19. 19Dhakalow-cost sensorsDhaka Division, Bangladesh
    1233.0×
  20. 20Puerto AysénAysén, Chile
    1233.0×
  21. 21CuranilahueBiobio, Chile
    1192.9×
  22. 22ManamaManama, Bahrain
    1172.8×
  23. 23NacimientoBiobio, Chile
    1162.8×
  24. 24HualpénBiobio, Chile
    1152.8×
  25. 25Puente AltoSantiago Metropolitan, Chile
    1122.7×
  26. 25CoronelBiobio, Chile
    1122.7×
  27. 27ChillánÑuble, Chile
    1072.5×
  28. 28QuillotaValparaiso, Chile
    1072.5×
  29. 29CoyhaiqueAysén, Chile
    1062.5×
  30. 30MedfordOregon, United States
    1042.5×
  31. 31BaghdadBaghdad, Iraq
    1022.4×
  32. 32ToméBiobio, Chile
    992.3×
  33. 33AshlandOregon, United States
    982.3×
  34. 34TalcaMaule Region, Chile
    972.3×
  35. 34QuilpuéValparaiso, Chile
    972.3×
  36. 36ConcepciónBiobio, Chile
    962.2×
  37. 37HyderabadTelangana, India
    922.1×
  38. 38ChiguayanteBiobio, Chile
    922.1×
  39. 38CauquenesMaule Region, Chile
    922.1×
  40. 40JakartaJakarta, Indonesia
    912.1×
  41. 41QuinteroValparaiso, Chile
    902.0×
  42. 42Abujalow-cost sensorsFCT, Nigeria
    892.0×
  43. 42CuricóMaule Region, Chile
    892.0×
  44. 44KolkataWest Bengal, India
    892.0×
  45. 45La SerenaCoquimbo Region, Chile
    871.9×
  46. 46TalcahuanoBiobio, Chile
    861.9×
  47. 46AntofagastaAntofagasta, Chile
    861.9×
  48. 48LimaLima Province, Peru
    841.8×
  49. 49CopiapóAtacama, Chile
    841.8×
  50. 50CoquimboCoquimbo Region, Chile
    821.7×
  51. 51Şabāḩ as SālimMubārak al Kabīr, Kuwait
    811.7×
  52. 51Fort McMurrayAlberta, Canada
    811.7×
  53. 53Collado-VillalbaMadrid, Spain
    811.7×
  54. 54KomárnoNitra Region, Slovakia
    801.7×
  55. 55Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    801.6×
  56. 56LewistonIdaho, United States
    801.6×
  57. 57Lahorelow-cost sensorsPunjab, Pakistan
    801.6×
  58. 58JinchengFukien, Taiwan
    791.6×
  59. 59San Francisco De BorjaLima region, Peru
    791.6×
  60. 60Viña del MarValparaiso, Chile
    791.6×
  61. 60CallaoCallao, Peru
    791.6×
  62. 62Iloilolow-cost sensorsWestern Visayas, Philippines
    791.6×
  63. 63ConcónValparaiso, Chile
    781.6×
  64. 63MoscowIdaho, United States
    781.6×
  65. 65Asunciónlow-cost sensorsAsuncion, Paraguay
    781.6×
  66. 66Grants PassOregon, United States
    771.6×
  67. 67Ban Talat BuengChon Buri, Thailand
    771.5×
  68. 68SeoulSeoul, South Korea
    771.5×
  69. 69KalasinKalasin, Thailand
    771.5×
  70. 70Sydneylow-cost sensorsNew South Wales, Australia
    771.5×
  71. 70RoveretoTrentino-Alto Adige, Italy
    771.5×
  72. 72Jacobo HunterArequipa, Peru
    751.5×
  73. 73Los ÁngelesBiobio, Chile
    751.5×
  74. 74OurenseGalicia, Spain
    741.4×
  75. 75YamanashiYamanashi, Japan
    741.4×
  76. 76Walla WallaWashington, United States
    741.4×
  77. 77Ganghwa-gunIncheon, South Korea
    741.4×
  78. 77BolzanoTrentino-Alto Adige, Italy
    741.4×
  79. 79MukdahanMukdahan, Thailand
    741.4×
  80. 79GwangmyeongGyeonggi-do, South Korea
    741.4×
  81. 81NonsanChungcheongnam-do, South Korea
    731.4×
  82. 81Grande PrairieAlberta, Canada
    731.4×
  83. 83MóstolesMadrid, Spain
    731.4×
  84. 84HanamGyeonggi-do, South Korea
    731.4×
  85. 85MiyakonojōMiyazaki, Japan
    731.4×
  86. 86NamyangjuGyeonggi-do, South Korea
    731.4×
  87. 87TratTrat, Thailand
    721.4×
  88. 87San Pedro de la PazBiobio, Chile
    721.4×
  89. 89Guri-siGyeonggi-do, South Korea
    721.4×
  90. 90WŏnjuGangwon-do, South Korea
    711.3×
  91. 90Goyang-siGyeonggi-do, South Korea
    711.3×
  92. 90JaénAndalusia, Spain
    711.3×
  93. 93AntananarivoAnalamanga, Madagascar
    711.3×
  94. 93ŌtsukiYamanashi, Japan
    711.3×
  95. 93AlgiersAlgiers, Algeria
    711.3×
  96. 96IncheonIncheon, South Korea
    711.3×
  97. 97NichinanMiyazaki, Japan
    711.3×
  98. 97PullmanWashington, United States
    711.3×
  99. 99YesanChungcheongnam-do, South Korea
    711.3×
  100. 99BoiseIdaho, United States
    711.3×
  101. 99PendletonOregon, United States
    711.3×
  102. 102ChennaiTamil Nadu, India
    711.3×
  103. 102ConroeTexas, United States
    711.3×
  104. 104TocopillaAntofagasta, Chile
    701.3×
  105. 105NangenJeollabuk-do, South Korea
    701.3×
  106. 106PyeongtaekGyeonggi-do, South Korea
    691.3×
  107. 106Gimpo-siGyeonggi-do, South Korea
    691.3×
  108. 106BellinzonaTicino, Switzerland
    691.3×
  109. 106Jurupa ValleyCalifornia, United States
    691.3×
  110. 110Coeur d'AleneIdaho, United States
    691.3×
  111. 111BendOregon, United States
    691.3×
  112. 112SuwonGyeonggi-do, South Korea
    691.2×
  113. 113NanNan, Thailand
    691.2×
  114. 113Uijeongbu-siGyeonggi-do, South Korea
    691.2×
  115. 113Sunland ParkNew Mexico, United States
    691.2×
  116. 116MeridianIdaho, United States
    681.2×
  117. 117TangjinChungcheongnam-do, South Korea
    681.2×
  118. 117SereďTrnava Region, Slovakia
    681.2×
  119. 119OsanGyeonggi-do, South Korea
    681.2×
  120. 119Ansan-siGyeonggi-do, South Korea
    681.2×
  121. 121HumennéPrešov Region, Slovakia
    681.2×
  122. 121Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    681.2×
  123. 123OkcheonNorth Chungcheong, South Korea
    681.2×
  124. 123HermistonOregon, United States
    681.2×
  125. 123Moses LakeWashington, United States
    681.2×
  126. 123SpokaneWashington, United States
    681.2×
  127. 127BrawleyCalifornia, United States
    671.2×
  128. 128Addis AbabaAddis Ababa, Ethiopia
    671.2×
  129. 128ChristchurchCanterbury, New Zealand
    671.2×
  130. 130AvilésAsturias, Spain
    671.2×
  131. 131Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    671.2×
  132. 131GapyeongGyeonggi-do, South Korea
    671.2×
  133. 131Anyang-siGyeonggi-do, South Korea
    671.2×
  134. 131Imperial BeachCalifornia, United States
    671.2×
  135. 135SeonghwanChungcheongnam-do, South Korea
    671.2×
  136. 135Icheon-siGyeonggi-do, South Korea
    671.2×
  137. 135Hwaseong-siGyeonggi-do, South Korea
    671.2×
  138. 135Chinch'ŏnNorth Chungcheong, South Korea
    671.2×
  139. 139EdmontonAlberta, Canada
    661.2×
  140. 139AyaseKanagawa, Japan
    661.2×
  141. 139JeongeupJeollabuk-do, South Korea
    661.2×
  142. 142YangjuGyeonggi-do, South Korea
    661.2×
  143. 142MissionTexas, United States
    661.2×
  144. 142SunnysideWashington, United States
    661.2×
  145. 145Nakhon RatchasimaNakhon Ratchasima, Thailand
    661.1×
  146. 145NamsaJeollabuk-do, South Korea
    661.1×
  147. 145ChangsuJeollabuk-do, South Korea
    661.1×
  148. 145CalamaAntofagasta, Chile
    661.1×
  149. 145HoustonTexas, United States
    661.1×
  150. 150CheorwonGangwon-do, South Korea
    661.1×
  151. 150TooeleUtah, United States
    661.1×
  152. 150HyūgaMiyazaki, Japan
    661.1×
  153. 153Wan ChaiWan Chai, Hong Kong
    661.1×
  154. 153KwangyangJeollanam-do, South Korea
    661.1×
  155. 153KobayashiMiyazaki, Japan
    661.1×
  156. 153VallettaValletta, Malta
    661.1×
  157. 157AsanChungcheongnam-do, South Korea
    651.1×
  158. 157VernonBritish Columbia, Canada
    651.1×
  159. 159Victoria de DurangoDurango, Mexico
    651.1×
  160. 159SulphurLouisiana, United States
    651.1×
  161. 161GwangjuGyeonggi-do, South Korea
    651.1×
  162. 161DallasTexas, United States
    651.1×
  163. 161MiyakojimaOkinawa, Japan
    651.1×
  164. 164AshgabatAshgabat, Turkmenistan
    651.1×
  165. 164DelhiDelhi, India
    651.1×
  166. 164WanjuJeollabuk-do, South Korea
    651.1×
  167. 164IksanJeollabuk-do, South Korea
    651.1×
  168. 164NitraNitra Region, Slovakia
    651.1×
  169. 164NampaIdaho, United States
    651.1×
  170. 164RedmondOregon, United States
    651.1×
  171. 164Spokane ValleyWashington, United States
    651.1×
  172. 172XizhiTaipei, Taiwan
    651.1×
  173. 172EisenGyeongsangbuk-do, South Korea
    651.1×
  174. 172Jinan-gunJeollabuk-do, South Korea
    651.1×
  175. 172GotembaShizuoka, Japan
    651.1×
  176. 172SevillaAndalusia, Spain
    651.1×
  177. 172ComoLombardy, Italy
    651.1×
  178. 172BurbankCalifornia, United States
    651.1×
  179. 172Los AngelesCalifornia, United States
    651.1×
  180. 180HiratsukaKanagawa, Japan
    641.1×
  181. 180RiversideCalifornia, United States
    641.1×
  182. 180ShintomiMiyazaki, Japan
    641.1×
  183. 183TrentoTrentino-Alto Adige, Italy
    641.1×
  184. 183YauriCuzco Department, Peru
    641.1×
  185. 183KamloopsBritish Columbia, Canada
    641.1×
  186. 186Fort-de-FranceMartinique, Martinique
    641.1×
  187. 187KanoyaKagoshima, Japan
    641.1×
  188. 187ŻabbarĦaż-Żabbar, Malta
    641.1×
  189. 187Le LamentinMartinique, Martinique
    641.1×
  190. 187Lat KrabangBangkok, Thailand
    641.1×
  191. 191PrešovPrešov Region, Slovakia
    641.1×
  192. 191Bucheon-siGyeonggi-do, South Korea
    641.1×
  193. 191TakanabeMiyazaki, Japan
    641.1×
  194. 191SamaAsturias, Spain
    641.1×
  195. 191FontanaCalifornia, United States
    641.1×
  196. 196KimjeJeollabuk-do, South Korea
    631.1×
  197. 196AiharaKanagawa, Japan
    631.1×
  198. 196El PasoTexas, United States
    631.1×
  199. 196Tri-CitiesWashington, United States
    631.1×
  200. 200GostivarGostivar, North Macedonia
    631.0×

Top 200 of 2,378 shown.

Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Not covered: the government monitoring networks of China and Turkey, which publish no terms that let us reuse their readings. Most cities there are missing from this board, not clean. Why.

Use this board

SmogRank, most polluted cities, PM2.5, August 11, 2024, smogrank.com/history/2024-08-11 (accessed 3 Oct 2026).

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