SmogRank / History / September 7, 2024

Most polluted cities on September 7, 2024

1,729 cities ranked by their average PM2.5 over the day; the worst was Grande Prairie, Canada, at 142.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during September 7, 2024. All episodes.

← Grande Prairie 142.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for September 7, 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. 1Grande PrairieAlberta, Canada
    2179.5×
  2. 2DushanbeDushanbe, Tajikistan
    1988.2×
  3. 3Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1877.1×
  4. 3Prince GeorgeBritish Columbia, Canada
    1877.1×
  5. 5Fort McMurrayAlberta, Canada
    1745.9×
  6. 6Dhakalow-cost sensorsDhaka Division, Bangladesh
    1715.6×
  7. 7Asunciónlow-cost sensorsAsuncion, Paraguay
    1695.4×
  8. 8AlgiersAlgiers, Algeria
    1634.8×
  9. 9Kampalalow-cost sensorsCentral Region, Uganda
    1543.9×
  10. 10Santa Anita - Los FicusLima region, Peru
    1483.6×
  11. 11VillarricaAraucania, Chile
    1433.5×
  12. 12Lahorelow-cost sensorsPunjab, Pakistan
    1383.4×
  13. 13EdmontonAlberta, Canada
    1323.2×
  14. 14NacimientoBiobio, Chile
    1202.9×
  15. 15RedmondOregon, United States
    1172.8×
  16. 15St. AlbertAlberta, Canada
    1172.8×
  17. 17KigaliKigali, Rwanda
    1122.7×
  18. 18BaghdadBaghdad, Iraq
    1112.6×
  19. 19CairoCairo, Egypt
    1102.6×
  20. 20LewistonIdaho, United States
    1072.5×
  21. 21JakartaJakarta, Indonesia
    1062.5×
  22. 22ShanghaiShanghai, China
    1042.5×
  23. 23Villa Poeta José Gálvez BarrenecheaLima region, Peru
    1032.4×
  24. 24AraoKumamoto, Japan
    1032.4×
  25. 25HualpénBiobio, Chile
    1022.4×
  26. 26TemucoAraucania, Chile
    1012.4×
  27. 27BendOregon, United States
    992.3×
  28. 28Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    972.2×
  29. 28Puerto MonttLos Lagos Region, Chile
    972.2×
  30. 30San Francisco De BorjaLima region, Peru
    962.2×
  31. 31PullmanWashington, United States
    962.2×
  32. 32Sherwood ParkAlberta, Canada
    942.2×
  33. 33La UniónLos Ríos Region, Chile
    942.1×
  34. 34MoscowIdaho, United States
    932.1×
  35. 35Hondomachi-hondoKumamoto, Japan
    932.1×
  36. 35Puente AltoSantiago Metropolitan, Chile
    932.1×
  37. 35CuranilahueBiobio, Chile
    932.1×
  38. 38Ōyanomachi-noboritateKumamoto, Japan
    922.1×
  39. 39Puerto VarasLos Lagos Region, Chile
    912.0×
  40. 40Addis AbabaAddis Ababa, Ethiopia
    902.0×
  41. 41HonmachiKumamoto, Japan
    902.0×
  42. 41MinamataKumamoto, Japan
    902.0×
  43. 43Prince AlbertSaskatchewan, Canada
    902.0×
  44. 44HualquiBiobio, Chile
    871.9×
  45. 45ŌitaOita, Japan
    871.9×
  46. 46KikuchiKumamoto, Japan
    871.9×
  47. 46HelenaMontana, United States
    871.9×
  48. 48ŌzuKumamoto, Japan
    871.9×
  49. 49ButteMontana, United States
    861.9×
  50. 50Iloilolow-cost sensorsWestern Visayas, Philippines
    861.9×
  51. 51ValdiviaLos Ríos Region, Chile
    861.9×
  52. 52RancaguaO'Higgins Region, Chile
    861.8×
  53. 53OsornoLos Lagos Region, Chile
    851.8×
  54. 54KumamotoKumamoto, Japan
    851.8×
  55. 54NewmarketEngland, United Kingdom
    851.8×
  56. 54ChillánÑuble, Chile
    851.8×
  57. 54San ClementeIca, Peru
    851.8×
  58. 54KotōKumamoto, Japan
    851.8×
  59. 59UkihaFukuoka, Japan
    851.8×
  60. 59YamanashiYamanashi, Japan
    851.8×
  61. 61ChennaiTamil Nadu, India
    841.8×
  62. 62Royal Leamington SpaEngland, United Kingdom
    841.8×
  63. 62RengoO'Higgins Region, Chile
    841.8×
  64. 64MitoIbaraki, Japan
    841.8×
  65. 65UtoKumamoto, Japan
    831.8×
  66. 65ŌmutaFukuoka, Japan
    831.8×
  67. 67MaputoMaputo City, Mozambique
    831.8×
  68. 67N'DjamenaN’Djaména, Chad
    831.8×
  69. 67Birminghamlow-cost sensorsEngland, United Kingdom
    831.8×
  70. 67MissoulaMontana, United States
    831.8×
  71. 71TamanaKumamoto, Japan
    831.7×
  72. 71NakatsuOita, Japan
    831.7×
  73. 73SpokaneWashington, United States
    821.7×
  74. 74SantiagoSantiago Metropolitan, Chile
    821.7×
  75. 75KurumeFukuoka, Japan
    821.7×
  76. 76YamagaKumamoto, Japan
    821.7×
  77. 77ŌtsukiYamanashi, Japan
    821.7×
  78. 78Uekimachi-mōnoKumamoto, Japan
    811.7×
  79. 78SheffieldEngland, United Kingdom
    811.7×
  80. 80KolkataWest Bengal, India
    811.7×
  81. 81PrzemyślSubcarpathia, Poland
    811.7×
  82. 81La SerenaCoquimbo Region, Chile
    811.7×
  83. 83Quezon Citylow-cost sensorsNational Capital Region, Philippines
    811.7×
  84. 83TakasakiGunma, Japan
    811.7×
  85. 83YufuOita, Japan
    811.7×
  86. 86Kingston upon HullEngland, United Kingdom
    801.7×
  87. 86BandōIbaraki, Japan
    801.7×
  88. 88QuillotaValparaiso, Chile
    801.6×
  89. 88TatsunoHyōgo, Japan
    801.6×
  90. 90SōjaOkayama, Japan
    801.6×
  91. 90ObitaNagasaki, Japan
    801.6×
  92. 90CoronelBiobio, Chile
    801.6×
  93. 93Tottori-shiTottori, Japan
    801.6×
  94. 93Maebaru-chūōFukuoka, Japan
    801.6×
  95. 93ChesterfieldEngland, United Kingdom
    801.6×
  96. 96MifuneKumamoto, Japan
    791.6×
  97. 97HitaOita, Japan
    791.6×
  98. 97FontanaCalifornia, United States
    791.6×
  99. 97ChikuseiIbaraki, Japan
    791.6×
  100. 100AntananarivoAnalamanga, Madagascar
    791.6×
  101. 101OkayamaOkayama, Japan
    791.6×
  102. 101Zielona GóraLubusz, Poland
    791.6×
  103. 103PendletonOregon, United States
    781.6×
  104. 103BizenOkayama, Japan
    781.6×
  105. 105HermistonOregon, United States
    781.6×
  106. 106ŌmuraNagasaki, Japan
    781.6×
  107. 106ToméBiobio, Chile
    781.6×
  108. 106MeridianIdaho, United States
    781.6×
  109. 106TsuchiuraIbaraki, Japan
    781.6×
  110. 110IwadeWakayama, Japan
    781.6×
  111. 110MimaTokushima, Japan
    781.6×
  112. 112DelhiDelhi, India
    781.6×
  113. 112CuricóMaule Region, Chile
    781.6×
  114. 114Bang NaBangkok, Thailand
    771.6×
  115. 114QuinteroValparaiso, Chile
    771.6×
  116. 116TalcahuanoBiobio, Chile
    771.5×
  117. 116CauquenesMaule Region, Chile
    771.5×
  118. 118TogitsuNagasaki, Japan
    771.5×
  119. 118ManchesterEngland, United Kingdom
    771.5×
  120. 118GdyniaPomerania, Poland
    771.5×
  121. 118SeogwipoJeju-do, South Korea
    771.5×
  122. 122Nara-shiNara, Japan
    771.5×
  123. 122TigardOregon, United States
    771.5×
  124. 122GotōNagasaki, Japan
    771.5×
  125. 125SandachōHyōgo, Japan
    771.5×
  126. 125NagasakiNagasaki, Japan
    771.5×
  127. 125IsahayaNagasaki, Japan
    771.5×
  128. 128KandaFukuoka, Japan
    771.5×
  129. 129IzumiOsaka, Japan
    761.5×
  130. 129Stoke-on-TrentEngland, United Kingdom
    761.5×
  131. 129ElblągWarmia-Masuria, Poland
    761.5×
  132. 129YameFukuoka, Japan
    761.5×
  133. 133NakamaFukuoka, Japan
    761.5×
  134. 134OnoHyōgo, Japan
    761.5×
  135. 134KishiwadaOsaka, Japan
    761.5×
  136. 134IkomaNara, Japan
    761.5×
  137. 134IkarugaHyōgo, Japan
    761.5×
  138. 134Los ÁngelesBiobio, Chile
    761.5×
  139. 139BeijingBeijing, China
    761.5×
  140. 140Şabāḩ as SālimMubārak al Kabīr, Kuwait
    761.5×
  141. 140TakarazukaHyōgo, Japan
    761.5×
  142. 140BarnsleyEngland, United Kingdom
    761.5×
  143. 143TosuSaga, Japan
    751.5×
  144. 143Jacobo HunterArequipa, Peru
    751.5×
  145. 143Arvadalow-cost sensorsColorado, United States
    751.5×
  146. 143Spokane ValleyWashington, United States
    751.5×
  147. 143Walla WallaWashington, United States
    751.5×
  148. 143WakasugiFukuoka, Japan
    751.5×
  149. 149Lake ElsinoreCalifornia, United States
    751.5×
  150. 150TsuyamaOkayama, Japan
    751.5×
  151. 150KashiwaraNara, Japan
    751.5×
  152. 150Kashihara-shiNara, Japan
    751.5×
  153. 150SzczecinWest Pomerania, Poland
    751.5×
  154. 150Viña del MarValparaiso, Chile
    751.5×
  155. 150HigashigōSaga, Japan
    751.5×
  156. 156TongyeongGyeongsangnam-do, South Korea
    751.5×
  157. 156YawataKyoto, Japan
    751.5×
  158. 156SaseboNagasaki, Japan
    751.5×
  159. 156Kamojimachō-jōgejimaTokushima, Japan
    751.5×
  160. 160KōtariKyoto, Japan
    751.5×
  161. 160NakaIbaraki, Japan
    751.5×
  162. 162Samut SakhonSamut Sakhon, Thailand
    741.4×
  163. 162KasaokaOkayama, Japan
    741.4×
  164. 162Kakogawachō-honmachiHyōgo, Japan
    741.4×
  165. 162IzumiKagoshima, Japan
    741.4×
  166. 162Kawachi-NaganoOsaka, Japan
    741.4×
  167. 162OgōriFukuoka, Japan
    741.4×
  168. 168TagawaFukuoka, Japan
    741.4×
  169. 168MinatoWakayama, Japan
    741.4×
  170. 168SakaiOsaka, Japan
    741.4×
  171. 168IzumisanoOsaka, Japan
    741.4×
  172. 168SunnysideWashington, United States
    741.4×
  173. 173HimejiHyōgo, Japan
    741.4×
  174. 173KasugaFukuoka, Japan
    741.4×
  175. 173BuzenFukuoka, Japan
    741.4×
  176. 176Kanzakimachi-kanzakiSaga, Japan
    741.4×
  177. 176HigashiosakaOsaka, Japan
    741.4×
  178. 176SugaiKyoto, Japan
    741.4×
  179. 179JōyōKyoto, Japan
    741.4×
  180. 180KitakyushuFukuoka, Japan
    741.4×
  181. 180ChiguayanteBiobio, Chile
    741.4×
  182. 180AntofagastaAntofagasta, Chile
    741.4×
  183. 180AyaseKanagawa, Japan
    741.4×
  184. 180ItoshimaFukuoka, Japan
    741.4×
  185. 180YoshinogawaTokushima, Japan
    741.4×
  186. 186LiverpoolEngland, United Kingdom
    731.4×
  187. 186RiversideCalifornia, United States
    731.4×
  188. 186CanbyOregon, United States
    731.4×
  189. 189Newcastle upon TyneEngland, United Kingdom
    731.4×
  190. 189MineYamaguchi, Japan
    731.4×
  191. 191YanagawaFukuoka, Japan
    731.4×
  192. 191ShimonosekiYamaguchi, Japan
    731.4×
  193. 191SagaSaga, Japan
    731.4×
  194. 191IizukaFukuoka, Japan
    731.4×
  195. 191TalcaMaule Region, Chile
    731.4×
  196. 196GrajewoPodlasie, Poland
    731.4×
  197. 196OsakaOsaka, Japan
    731.4×
  198. 196Coeur d'AleneIdaho, United States
    731.4×
  199. 196SaikaiNagasaki, Japan
    731.4×
  200. 200UjiKyoto, Japan
    731.4×

Top 200 of 1,729 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, September 7, 2024, smogrank.com/history/2024-09-07 (accessed 3 Oct 2026).

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