SmogRank / History / September 10, 2024

Most polluted cities on September 10, 2024

1,717 cities ranked by their average PM2.5 over the day; the worst was Asunción, Paraguay, at 142.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during September 10, 2024. All episodes.

← Asunción 142.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for September 10, 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. 1Asunciónlow-cost sensorsAsuncion, Paraguay
    2179.5×
  2. 2Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    2169.4×
  3. 3Addis AbabaAddis Ababa, Ethiopia
    1735.8×
  4. 4ButteMontana, United States
    1685.3×
  5. 5Kampalalow-cost sensorsCentral Region, Uganda
    1675.3×
  6. 6BaghdadBaghdad, Iraq
    1675.2×
  7. 7Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1594.4×
  8. 8Lahorelow-cost sensorsPunjab, Pakistan
    1543.9×
  9. 9Santa Anita - Los FicusLima region, Peru
    1533.9×
  10. 10BozemanMontana, United States
    1523.8×
  11. 11DushanbeDushanbe, Tajikistan
    1513.7×
  12. 12HualpénBiobio, Chile
    1453.6×
  13. 13AntananarivoAnalamanga, Madagascar
    1343.3×
  14. 14BendOregon, United States
    1293.1×
  15. 15YanacanchaPasco, Peru
    1283.1×
  16. 16CoyhaiqueAysén, Chile
    1253.0×
  17. 17GlendoraCalifornia, United States
    1212.9×
  18. 18Villa Poeta José Gálvez BarrenecheaLima region, Peru
    1172.8×
  19. 19CuranilahueBiobio, Chile
    1132.7×
  20. 20CairoCairo, Egypt
    1102.6×
  21. 21San Francisco De BorjaLima region, Peru
    1052.5×
  22. 22BillingsMontana, United States
    1042.5×
  23. 23Lake ElsinoreCalifornia, United States
    1032.4×
  24. 24DelhiDelhi, India
    1032.4×
  25. 25RedmondOregon, United States
    1022.4×
  26. 26JakartaJakarta, Indonesia
    1022.4×
  27. 27NacimientoBiobio, Chile
    1012.4×
  28. 28KigaliKigali, Rwanda
    982.3×
  29. 29La UniónLos Ríos Region, Chile
    982.3×
  30. 30ChocopeLa Libertad, Peru
    962.2×
  31. 30CoronelBiobio, Chile
    962.2×
  32. 32Dhakalow-cost sensorsDhaka Division, Bangladesh
    942.1×
  33. 33VillarricaAraucania, Chile
    932.1×
  34. 34Jacobo HunterArequipa, Peru
    932.1×
  35. 35Puerto VarasLos Lagos Region, Chile
    922.1×
  36. 36Islamabadlow-cost sensorsIslamabad, Pakistan
    922.1×
  37. 37HualquiBiobio, Chile
    912.0×
  38. 38SheridanWyoming, United States
    902.0×
  39. 39GunsanJeollabuk-do, South Korea
    892.0×
  40. 39RancaguaO'Higgins Region, Chile
    892.0×
  41. 41MissoulaMontana, United States
    892.0×
  42. 42RengoO'Higgins Region, Chile
    881.9×
  43. 43Şabāḩ as SālimMubārak al Kabīr, Kuwait
    861.9×
  44. 44OsornoLos Lagos Region, Chile
    861.9×
  45. 45Iloilolow-cost sensorsWestern Visayas, Philippines
    861.8×
  46. 46Rapid CitySouth Dakota, United States
    851.8×
  47. 46San Pedro de la PazBiobio, Chile
    851.8×
  48. 48BuanJeollabuk-do, South Korea
    851.8×
  49. 48MeridianIdaho, United States
    851.8×
  50. 50QuinteroValparaiso, Chile
    851.8×
  51. 50Puente AltoSantiago Metropolitan, Chile
    851.8×
  52. 52ValdiviaLos Ríos Region, Chile
    851.8×
  53. 53Karachilow-cost sensorsSindh, Pakistan
    841.8×
  54. 54SantiagoSantiago Metropolitan, Chile
    841.8×
  55. 54QuillotaValparaiso, Chile
    841.8×
  56. 56BoiseIdaho, United States
    841.8×
  57. 56JeongeupJeollabuk-do, South Korea
    841.8×
  58. 58ChiguayanteBiobio, Chile
    841.8×
  59. 59La SerenaCoquimbo Region, Chile
    831.8×
  60. 60Puerto MonttLos Lagos Region, Chile
    831.7×
  61. 61Kathmandulow-cost sensorsBagmati Province, Nepal
    821.7×
  62. 62KimjeJeollabuk-do, South Korea
    811.7×
  63. 63HelenaMontana, United States
    811.7×
  64. 64HanamGyeonggi-do, South Korea
    811.7×
  65. 64TemucoAraucania, Chile
    811.7×
  66. 66Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    801.7×
  67. 67Bang NaBangkok, Thailand
    801.7×
  68. 67ConcónValparaiso, Chile
    801.7×
  69. 69IksanJeollabuk-do, South Korea
    801.6×
  70. 70Little RockArkansas, United States
    791.6×
  71. 71IndioCalifornia, United States
    791.6×
  72. 72PrzemyślSubcarpathia, Poland
    791.6×
  73. 73JinchengFukien, Taiwan
    781.6×
  74. 74NonsanChungcheongnam-do, South Korea
    781.6×
  75. 74YauriCuzco Department, Peru
    781.6×
  76. 76TangjinChungcheongnam-do, South Korea
    781.6×
  77. 76IncheonIncheon, South Korea
    781.6×
  78. 78FontanaCalifornia, United States
    781.6×
  79. 79YesanChungcheongnam-do, South Korea
    771.6×
  80. 80Gimpo-siGyeonggi-do, South Korea
    771.5×
  81. 80Abujalow-cost sensorsFCT, Nigeria
    771.5×
  82. 82Puerto AysénAysén, Chile
    771.5×
  83. 82CuricóMaule Region, Chile
    771.5×
  84. 82San ClementeIca, Peru
    771.5×
  85. 85ShanghaiShanghai, China
    761.5×
  86. 85AntofagastaAntofagasta, Chile
    761.5×
  87. 85NampaIdaho, United States
    761.5×
  88. 88Hwaseong-siGyeonggi-do, South Korea
    761.5×
  89. 89ChillánÑuble, Chile
    761.5×
  90. 90Los ÁngelesBiobio, Chile
    751.5×
  91. 91ZhubeiTaiwan, Taiwan
    751.5×
  92. 91TalcahuanoBiobio, Chile
    751.5×
  93. 93Goyang-siGyeonggi-do, South Korea
    741.4×
  94. 93TalaganteSantiago Metropolitan, Chile
    741.4×
  95. 95GilletteWyoming, United States
    741.4×
  96. 96SeoulSeoul, South Korea
    741.4×
  97. 97AsanChungcheongnam-do, South Korea
    731.4×
  98. 98ToufenTaiwan, Taiwan
    731.4×
  99. 99GwangmyeongGyeonggi-do, South Korea
    731.4×
  100. 99Khlong Sam WaBangkok, Thailand
    731.4×
  101. 101Nong KhaemBangkok, Thailand
    731.4×
  102. 101ToméBiobio, Chile
    731.4×
  103. 103SeonghwanChungcheongnam-do, South Korea
    731.4×
  104. 103PyeongtaekGyeonggi-do, South Korea
    731.4×
  105. 103Ansan-siGyeonggi-do, South Korea
    731.4×
  106. 106Twin FallsIdaho, United States
    721.4×
  107. 107CheonanChungcheongnam-do, South Korea
    721.4×
  108. 107LawrencevilleGeorgia, United States
    721.4×
  109. 109SuwonGyeonggi-do, South Korea
    721.3×
  110. 110NeiliTaiwan, Taiwan
    711.3×
  111. 110ErlunTaiwan, Taiwan
    711.3×
  112. 110New Taipei CityTaipei, Taiwan
    711.3×
  113. 113ChennaiTamil Nadu, India
    711.3×
  114. 113TaipeiTaiwan, Taiwan
    711.3×
  115. 113WanjuJeollabuk-do, South Korea
    711.3×
  116. 113OsanGyeonggi-do, South Korea
    711.3×
  117. 113NamsaJeollabuk-do, South Korea
    711.3×
  118. 118DaxiTaiwan, Taiwan
    711.3×
  119. 118BuziTaiwan, Taiwan
    711.3×
  120. 118Ganghwa-gunIncheon, South Korea
    711.3×
  121. 118NogalesSonora, Mexico
    711.3×
  122. 122GuangzhouGuangdong, China
    711.3×
  123. 122Guri-siGyeonggi-do, South Korea
    711.3×
  124. 124Khan Na YaoBangkok, Thailand
    711.3×
  125. 125Wan ChaiWan Chai, Hong Kong
    701.3×
  126. 125Viña del MarValparaiso, Chile
    701.3×
  127. 125AricaArica y Parinacota Region, Chile
    701.3×
  128. 128Taesal-liChungcheongnam-do, South Korea
    701.3×
  129. 128ConcepciónBiobio, Chile
    701.3×
  130. 130BoryeongChungcheongnam-do, South Korea
    701.3×
  131. 130CauquenesMaule Region, Chile
    701.3×
  132. 132YuanlinTaiwan, Taiwan
    691.3×
  133. 133Bucheon-siGyeonggi-do, South Korea
    691.3×
  134. 134MiaoliTaiwan, Taiwan
    691.2×
  135. 134N'DjamenaN’Djaména, Chad
    691.2×
  136. 136Nakhon PathomNakhon Pathom, Thailand
    691.2×
  137. 137Khlong LuangPathum Thani, Thailand
    691.2×
  138. 137MokpoJeollanam-do, South Korea
    691.2×
  139. 137CalamaAntofagasta, Chile
    691.2×
  140. 140ErlinTaiwan, Taiwan
    681.2×
  141. 140QuilpuéValparaiso, Chile
    681.2×
  142. 140TexarkanaTexas, United States
    681.2×
  143. 140BanningCalifornia, United States
    681.2×
  144. 144PančevoVojvodina, Serbia
    681.2×
  145. 144Icheon-siGyeonggi-do, South Korea
    681.2×
  146. 144Accralow-cost sensorsGreater Accra, Ghana
    681.2×
  147. 147Ban Khlong PrawetBangkok, Thailand
    681.2×
  148. 147TaoyuanTaiwan, Taiwan
    681.2×
  149. 149GwangjuGyeonggi-do, South Korea
    681.2×
  150. 149TalcaMaule Region, Chile
    681.2×
  151. 151BuyeoChungcheongnam-do, South Korea
    681.2×
  152. 152Anyang-siGyeonggi-do, South Korea
    671.2×
  153. 153HongseongChungcheongnam-do, South Korea
    671.2×
  154. 154NamyangjuGyeonggi-do, South Korea
    671.2×
  155. 154ChanghuaTaiwan, Taiwan
    671.2×
  156. 156Seongnam-siGyeonggi-do, South Korea
    671.2×
  157. 157AugustówPodlasie, Poland
    661.2×
  158. 157Koch'angJeollabuk-do, South Korea
    661.2×
  159. 159XizhiTaipei, Taiwan
    661.2×
  160. 159MasudaShimane, Japan
    661.2×
  161. 161KeelungTaiwan, Taiwan
    661.1×
  162. 162SalorTashkent Region, Uzbekistan
    661.1×
  163. 162Uijeongbu-siGyeonggi-do, South Korea
    661.1×
  164. 162TocopillaAntofagasta, Chile
    661.1×
  165. 165SinanJeollanam-do, South Korea
    661.1×
  166. 166PubalGyeonggi-do, South Korea
    651.1×
  167. 166Summerlin SouthNevada, United States
    651.1×
  168. 168MiskolcBorsod-Abaúj-Zemplén, Hungary
    651.1×
  169. 168BangkokBangkok, Thailand
    651.1×
  170. 168HsinchuTaiwan, Taiwan
    651.1×
  171. 171JarosławSubcarpathia, Poland
    651.1×
  172. 171MexicaliBaja California, Mexico
    651.1×
  173. 173BelgradeCentral Serbia, Serbia
    651.1×
  174. 173YŏnmuChungcheongnam-do, South Korea
    651.1×
  175. 175VictorvilleCalifornia, United States
    641.1×
  176. 176ZamośćLublin, Poland
    641.1×
  177. 176Alto HospicioTarapacá, Chile
    641.1×
  178. 176Fort McMurrayAlberta, Canada
    641.1×
  179. 179ShulinTaipei, Taiwan
    641.1×
  180. 179XizhouTaiwan, Taiwan
    641.1×
  181. 179GongjuChungcheongnam-do, South Korea
    641.1×
  182. 179HwadoGyeonggi-do, South Korea
    641.1×
  183. 183KinzanChungcheongnam-do, South Korea
    641.1×
  184. 183West MemphisArkansas, United States
    641.1×
  185. 185TaichungTaiwan, Taiwan
    641.1×
  186. 185YeonggwangJeollanam-do, South Korea
    641.1×
  187. 185HayangGyeongsangbuk-do, South Korea
    641.1×
  188. 185Columbialow-cost sensorsMissouri, United States
    641.1×
  189. 189Nong ChokBangkok, Thailand
    631.1×
  190. 189TakasakiGunma, Japan
    631.1×
  191. 191ZhudongTaiwan, Taiwan
    631.0×
  192. 191SeosanChungcheongnam-do, South Korea
    631.0×
  193. 191YumaArizona, United States
    631.0×
  194. 194WŏnjuGangwon-do, South Korea
    631.0×
  195. 194HamadaShimane, Japan
    631.0×
  196. 194Donghae CityGangwon-do, South Korea
    631.0×
  197. 194Las VegasNevada, United States
    631.0×
  198. 198Phra PradaengSamut Prakan, Thailand
    631.0×
  199. 198Mueang NonthaburiNonthaburi, Thailand
    631.0×
  200. 198BirminghamAlabama, United States
    631.0×

Top 200 of 1,717 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 10, 2024, smogrank.com/history/2024-09-10 (accessed 3 Oct 2026).

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