SmogRank / History / September 8, 2024

Most polluted cities on September 8, 2024

1,729 cities ranked by their average PM2.5 over the day; the worst was Dushanbe, Tajikistan, at 128.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during September 8, 2024. All episodes.

← Dushanbe 128.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for September 8, 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. 1DushanbeDushanbe, Tajikistan
    2038.5×
  2. 2Fort McMurrayAlberta, Canada
    1806.5×
  3. 3Asunciónlow-cost sensorsAsuncion, Paraguay
    1715.6×
  4. 4VillarricaAraucania, Chile
    1644.9×
  5. 5Grande PrairieAlberta, Canada
    1624.8×
  6. 6Lahorelow-cost sensorsPunjab, Pakistan
    1624.7×
  7. 7ValdiviaLos Ríos Region, Chile
    1564.2×
  8. 8Santa Anita - Los FicusLima region, Peru
    1544.0×
  9. 9OsornoLos Lagos Region, Chile
    1523.8×
  10. 10FontanaCalifornia, United States
    1503.7×
  11. 11Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1413.5×
  12. 12Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1413.4×
  13. 12MissoulaMontana, United States
    1413.4×
  14. 12Prince AlbertSaskatchewan, Canada
    1413.4×
  15. 15La UniónLos Ríos Region, Chile
    1383.4×
  16. 16BendOregon, United States
    1373.3×
  17. 17Prince GeorgeBritish Columbia, Canada
    1373.3×
  18. 18BaghdadBaghdad, Iraq
    1363.3×
  19. 19San Francisco De BorjaLima region, Peru
    1303.2×
  20. 20NacimientoBiobio, Chile
    1303.2×
  21. 21Jurupa ValleyCalifornia, United States
    1253.0×
  22. 22Kampalalow-cost sensorsCentral Region, Uganda
    1243.0×
  23. 23CairoCairo, Egypt
    1233.0×
  24. 24LewistonIdaho, United States
    1233.0×
  25. 25RiversideCalifornia, United States
    1212.9×
  26. 26DelhiDelhi, India
    1202.9×
  27. 27Villa Poeta José Gálvez BarrenecheaLima region, Peru
    1182.8×
  28. 28TemucoAraucania, Chile
    1182.8×
  29. 29Puerto VarasLos Lagos Region, Chile
    1162.8×
  30. 30MoscowIdaho, United States
    1152.7×
  31. 31MaputoMaputo City, Mozambique
    1142.7×
  32. 32HualpénBiobio, Chile
    1142.7×
  33. 33SantiagoSantiago Metropolitan, Chile
    1132.7×
  34. 34Iloilolow-cost sensorsWestern Visayas, Philippines
    1122.7×
  35. 35KigaliKigali, Rwanda
    1112.6×
  36. 35CuranilahueBiobio, Chile
    1112.6×
  37. 37Puente AltoSantiago Metropolitan, Chile
    1102.6×
  38. 37HelenaMontana, United States
    1102.6×
  39. 39ChillánÑuble, Chile
    1082.6×
  40. 40VictorvilleCalifornia, United States
    1072.5×
  41. 41Puerto MonttLos Lagos Region, Chile
    1062.5×
  42. 42RancaguaO'Higgins Region, Chile
    1052.5×
  43. 43TalaganteSantiago Metropolitan, Chile
    1022.4×
  44. 43RengoO'Higgins Region, Chile
    1022.4×
  45. 45ToméBiobio, Chile
    1022.4×
  46. 46CoronelBiobio, Chile
    992.3×
  47. 47RedmondOregon, United States
    982.3×
  48. 48Dhakalow-cost sensorsDhaka Division, Bangladesh
    972.3×
  49. 49PullmanWashington, United States
    972.2×
  50. 50HualquiBiobio, Chile
    962.2×
  51. 51QuillotaValparaiso, Chile
    962.2×
  52. 52JakartaJakarta, Indonesia
    952.2×
  53. 53Şabāḩ as SālimMubārak al Kabīr, Kuwait
    942.1×
  54. 54AraoKumamoto, Japan
    942.1×
  55. 55The DallesOregon, United States
    932.1×
  56. 56Hondomachi-hondoKumamoto, Japan
    922.1×
  57. 56Los ÁngelesBiobio, Chile
    922.1×
  58. 58HermistonOregon, United States
    922.1×
  59. 59PendletonOregon, United States
    922.1×
  60. 60Ōyanomachi-noboritateKumamoto, Japan
    912.0×
  61. 61AlgiersAlgiers, Algeria
    902.0×
  62. 62CuricóMaule Region, Chile
    902.0×
  63. 63AugustówPodlasie, Poland
    902.0×
  64. 64HonmachiKumamoto, Japan
    892.0×
  65. 65QuinteroValparaiso, Chile
    892.0×
  66. 66TongyeongGyeongsangnam-do, South Korea
    881.9×
  67. 67ChocopeLa Libertad, Peru
    881.9×
  68. 68EdmontonAlberta, Canada
    881.9×
  69. 69NaesŏGyeongsangnam-do, South Korea
    861.9×
  70. 70ŌmutaFukuoka, Japan
    861.9×
  71. 70KasaokaOkayama, Japan
    861.9×
  72. 70SaskatoonSaskatchewan, Canada
    861.9×
  73. 73YakimaWashington, United States
    861.9×
  74. 74ButteMontana, United States
    851.8×
  75. 75San ClementeIca, Peru
    851.8×
  76. 76N'DjamenaN’Djaména, Chad
    851.8×
  77. 77TalcaMaule Region, Chile
    841.8×
  78. 78Puerto AysénAysén, Chile
    841.8×
  79. 78Jacobo HunterArequipa, Peru
    841.8×
  80. 80SarajevoFederation of B&H, Bosnia and Herzegovina
    841.8×
  81. 81PyeongtaekGyeonggi-do, South Korea
    831.8×
  82. 81NakatsuOita, Japan
    831.8×
  83. 83MinamataKumamoto, Japan
    831.8×
  84. 83MedfordOregon, United States
    831.8×
  85. 85ŌtsukiYamanashi, Japan
    831.8×
  86. 86TamanaKumamoto, Japan
    831.7×
  87. 86KumamotoKumamoto, Japan
    831.7×
  88. 88Addis AbabaAddis Ababa, Ethiopia
    821.7×
  89. 89AshlandOregon, United States
    821.7×
  90. 90UkihaFukuoka, Japan
    821.7×
  91. 91SunnysideWashington, United States
    821.7×
  92. 92UtoKumamoto, Japan
    811.7×
  93. 92KurumeFukuoka, Japan
    811.7×
  94. 94BeijingBeijing, China
    811.7×
  95. 94BuzenFukuoka, Japan
    811.7×
  96. 96YamagaKumamoto, Japan
    811.7×
  97. 96SandachōHyōgo, Japan
    811.7×
  98. 98ŌmuraNagasaki, Japan
    811.7×
  99. 99TalcahuanoBiobio, Chile
    801.7×
  100. 99CoyhaiqueAysén, Chile
    801.7×
  101. 99ChiguayanteBiobio, Chile
    801.7×
  102. 102ZentsujichóKagawa, Japan
    801.7×
  103. 103BozemanMontana, United States
    801.6×
  104. 103Walla WallaWashington, United States
    801.6×
  105. 105SōjaOkayama, Japan
    801.6×
  106. 105KotōKumamoto, Japan
    801.6×
  107. 107TakasakiGunma, Japan
    801.6×
  108. 108ChangwonGyeongsangnam-do, South Korea
    791.6×
  109. 108ObitaNagasaki, Japan
    791.6×
  110. 108YanacanchaPasco, Peru
    791.6×
  111. 111IsahayaNagasaki, Japan
    791.6×
  112. 112Islamabadlow-cost sensorsIslamabad, Pakistan
    791.6×
  113. 112Nara-shiNara, Japan
    791.6×
  114. 112KikuchiKumamoto, Japan
    791.6×
  115. 112HitaOita, Japan
    791.6×
  116. 116MarugameKagawa, Japan
    791.6×
  117. 116IzumiOsaka, Japan
    791.6×
  118. 118Gimpo-siGyeonggi-do, South Korea
    791.6×
  119. 118KashiwaraNara, Japan
    791.6×
  120. 118TatsunoHyōgo, Japan
    791.6×
  121. 121IwadeWakayama, Japan
    781.6×
  122. 122DallasOregon, United States
    781.6×
  123. 123IncheonIncheon, South Korea
    781.6×
  124. 123Narutochō-mitsuishiTokushima, Japan
    781.6×
  125. 123ConcónValparaiso, Chile
    781.6×
  126. 123TsushimaNagasaki, Japan
    781.6×
  127. 127YameFukuoka, Japan
    771.6×
  128. 127BizenOkayama, Japan
    771.6×
  129. 129SaseboNagasaki, Japan
    771.5×
  130. 129ChikuseiIbaraki, Japan
    771.5×
  131. 129MimaTokushima, Japan
    771.5×
  132. 132TogitsuNagasaki, Japan
    771.5×
  133. 132MinatoWakayama, Japan
    771.5×
  134. 132Coeur d'AleneIdaho, United States
    771.5×
  135. 135YamanashiYamanashi, Japan
    771.5×
  136. 136ChennaiTamil Nadu, India
    771.5×
  137. 136Kanzakimachi-kanzakiSaga, Japan
    771.5×
  138. 136IkedachōTokushima, Japan
    771.5×
  139. 136GwangmyeongGyeonggi-do, South Korea
    771.5×
  140. 136SpokaneWashington, United States
    771.5×
  141. 136Tri-CitiesWashington, United States
    771.5×
  142. 142TamanoOkayama, Japan
    761.5×
  143. 143HigashiosakaOsaka, Japan
    761.5×
  144. 143Abujalow-cost sensorsFCT, Nigeria
    761.5×
  145. 145ShanghaiShanghai, China
    761.5×
  146. 145FukuyamaHiroshima, Japan
    761.5×
  147. 145MatsusakaMie, Japan
    761.5×
  148. 148KurashikiOkayama, Japan
    761.5×
  149. 148EllensburgWashington, United States
    761.5×
  150. 150Uekimachi-mōnoKumamoto, Japan
    761.5×
  151. 151TangjinChungcheongnam-do, South Korea
    751.5×
  152. 151OsanGyeonggi-do, South Korea
    751.5×
  153. 151Ansan-siGyeonggi-do, South Korea
    751.5×
  154. 151TokiGifu, Japan
    751.5×
  155. 151IkomaNara, Japan
    751.5×
  156. 151GeojeGyeongsangnam-do, South Korea
    751.5×
  157. 157Kashihara-shiNara, Japan
    751.5×
  158. 157BakersfieldCalifornia, United States
    751.5×
  159. 157Lake ElsinoreCalifornia, United States
    751.5×
  160. 160SeoulSeoul, South Korea
    751.5×
  161. 160TosuSaga, Japan
    751.5×
  162. 160Moses LakeWashington, United States
    751.5×
  163. 160KinokawaWakayama, Japan
    751.5×
  164. 160WakasugiFukuoka, Japan
    751.5×
  165. 165Anyang-siGyeonggi-do, South Korea
    751.5×
  166. 165AnanTokushima, Japan
    751.5×
  167. 165HanamGyeonggi-do, South Korea
    751.5×
  168. 165GotōNagasaki, Japan
    751.5×
  169. 169SeonghwanChungcheongnam-do, South Korea
    751.5×
  170. 169AsanChungcheongnam-do, South Korea
    751.5×
  171. 169Goyang-siGyeonggi-do, South Korea
    751.5×
  172. 169Kan’onjichōKagawa, Japan
    751.5×
  173. 169ChangnyeongGyeongsangnam-do, South Korea
    751.5×
  174. 169HadongGyeongsangnam-do, South Korea
    751.5×
  175. 175OkayamaOkayama, Japan
    741.4×
  176. 175CoquimboCoquimbo Region, Chile
    741.4×
  177. 175Kawachi-NaganoOsaka, Japan
    741.4×
  178. 178Bang NaBangkok, Thailand
    741.4×
  179. 178YaoOsaka, Japan
    741.4×
  180. 178NagasakiNagasaki, Japan
    741.4×
  181. 178IkarugaHyōgo, Japan
    741.4×
  182. 178SaikaiNagasaki, Japan
    741.4×
  183. 183SagaSaga, Japan
    741.4×
  184. 184SuwonGyeonggi-do, South Korea
    741.4×
  185. 185MitoIbaraki, Japan
    741.4×
  186. 185GlendoraCalifornia, United States
    741.4×
  187. 187ShidoKagawa, Japan
    741.4×
  188. 188CheonanChungcheongnam-do, South Korea
    731.4×
  189. 188SuzukaMie, Japan
    731.4×
  190. 188ŌzuKumamoto, Japan
    731.4×
  191. 188GifuGifu, Japan
    731.4×
  192. 192Bucheon-siGyeonggi-do, South Korea
    731.4×
  193. 192Ganghwa-gunIncheon, South Korea
    731.4×
  194. 192TsuMie, Japan
    731.4×
  195. 192SakaiOsaka, Japan
    731.4×
  196. 192SaikūMie, Japan
    731.4×
  197. 192ŌitaOita, Japan
    731.4×
  198. 192MifuneKumamoto, Japan
    731.4×
  199. 192KishiwadaOsaka, Japan
    731.4×
  200. 192Kamojimachō-jōgejimaTokushima, 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 8, 2024, smogrank.com/history/2024-09-08 (accessed 3 Oct 2026).

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