SmogRank / History / September 15, 2024

Most polluted cities on September 15, 2024

1,705 cities ranked by their average PM2.5 over the day; the worst was Kuala Lumpur, Malaysia, at 148.0 µg/m³. Each city's own local calendar day.

← Kuala Lumpur 148.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for September 15, 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. 1Kuala LumpurKuala Lumpur, Malaysia
    2239.9×
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    1745.9×
  3. 3Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1644.9×
  4. 4HanoiHanoi, Vietnam
    1604.6×
  5. 5Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1594.4×
  6. 6OsornoLos Lagos Region, Chile
    1584.4×
  7. 7ValdiviaLos Ríos Region, Chile
    1473.6×
  8. 8VillarricaAraucania, Chile
    1383.4×
  9. 9DushanbeDushanbe, Tajikistan
    1383.4×
  10. 10KigaliKigali, Rwanda
    1353.3×
  11. 11La UniónLos Ríos Region, Chile
    1343.3×
  12. 12QuillotaValparaiso, Chile
    1303.1×
  13. 13HualpénBiobio, Chile
    1263.0×
  14. 14Puerto VarasLos Lagos Region, Chile
    1102.6×
  15. 15TemucoAraucania, Chile
    1082.5×
  16. 16Islamabadlow-cost sensorsIslamabad, Pakistan
    1062.5×
  17. 17JakartaJakarta, Indonesia
    1032.4×
  18. 18Wan ChaiWan Chai, Hong Kong
    1022.4×
  19. 19CoronelBiobio, Chile
    992.3×
  20. 20Puerto MonttLos Lagos Region, Chile
    982.3×
  21. 21SantiagoSantiago Metropolitan, Chile
    972.2×
  22. 22HualquiBiobio, Chile
    952.2×
  23. 23TalaganteSantiago Metropolitan, Chile
    942.1×
  24. 24GrajewoPodlasie, Poland
    932.1×
  25. 25Addis AbabaAddis Ababa, Ethiopia
    922.1×
  26. 26QuinteroValparaiso, Chile
    922.1×
  27. 26Puerto AysénAysén, Chile
    922.1×
  28. 28DelhiDelhi, India
    912.1×
  29. 29CuricóMaule Region, Chile
    912.0×
  30. 30ChiguayanteBiobio, Chile
    902.0×
  31. 31AugustówPodlasie, Poland
    892.0×
  32. 32Santa Anita - Los FicusLima region, Peru
    871.9×
  33. 33Puente AltoSantiago Metropolitan, Chile
    861.9×
  34. 34CairoCairo, Egypt
    851.8×
  35. 35CoyhaiqueAysén, Chile
    851.8×
  36. 36AshgabatAshgabat, Turkmenistan
    841.8×
  37. 36Tin Shui WaiYuen Long, Hong Kong
    841.8×
  38. 38YanacanchaPasco, Peru
    841.8×
  39. 39Nepeanlow-cost sensorsOntario, Canada
    841.8×
  40. 40Jacobo HunterArequipa, Peru
    821.7×
  41. 41BiałystokPodlasie, Poland
    821.7×
  42. 41NacimientoBiobio, Chile
    821.7×
  43. 43Viña del MarValparaiso, Chile
    811.7×
  44. 43RengoO'Higgins Region, Chile
    811.7×
  45. 45MaputoMaputo City, Mozambique
    811.7×
  46. 45QuilpuéValparaiso, Chile
    811.7×
  47. 47La SerenaCoquimbo Region, Chile
    801.6×
  48. 48Mong KokYau Tsim Mong District, Hong Kong
    791.6×
  49. 48CuranilahueBiobio, Chile
    791.6×
  50. 50Tai PoTai Po, Hong Kong
    791.6×
  51. 50Kwai ChungKwai Tsing District, Hong Kong
    791.6×
  52. 52Tuen MunTuen Mun, Hong Kong
    791.6×
  53. 53RancaguaO'Higgins Region, Chile
    791.6×
  54. 53ConcónValparaiso, Chile
    791.6×
  55. 55Bang NaBangkok, Thailand
    781.6×
  56. 55TocopillaAntofagasta, Chile
    781.6×
  57. 57FanlingNorth District, Hong Kong
    781.6×
  58. 58ChennaiTamil Nadu, India
    771.5×
  59. 58VictoriaCentral and Western, Hong Kong
    771.5×
  60. 60ToméBiobio, Chile
    761.5×
  61. 61BeijingBeijing, China
    761.5×
  62. 62Sham Shui PoSham Shui Po District, Hong Kong
    751.5×
  63. 63Tsuen WanTsuen Wan, Hong Kong
    751.5×
  64. 64AntofagastaAntofagasta, Chile
    751.5×
  65. 65Kathmandulow-cost sensorsBagmati Province, Nepal
    741.4×
  66. 66CoquimboCoquimbo Region, Chile
    731.4×
  67. 66CopiapóAtacama, Chile
    731.4×
  68. 68Sau Mau PingKwun Tong District, Hong Kong
    731.4×
  69. 68San Francisco De BorjaLima region, Peru
    731.4×
  70. 70Sha TinSha Tin, Hong Kong
    731.4×
  71. 71Jurong WestSingapore
    721.3×
  72. 72Alto HospicioTarapacá, Chile
    711.3×
  73. 73CallaoCallao, Peru
    711.3×
  74. 74TalcaMaule Region, Chile
    711.3×
  75. 75TalcahuanoBiobio, Chile
    711.3×
  76. 75Fort McMurrayAlberta, Canada
    711.3×
  77. 77Ang Mo Kio New TownSingapore
    701.3×
  78. 78Villa Poeta José Gálvez BarrenecheaLima region, Peru
    691.3×
  79. 79IndioCalifornia, United States
    691.3×
  80. 80Dhakalow-cost sensorsDhaka Division, Bangladesh
    691.3×
  81. 80ConcepciónBiobio, Chile
    691.3×
  82. 82MumbaiMaharashtra, India
    691.2×
  83. 83Samut SakhonSamut Sakhon, Thailand
    691.2×
  84. 84AricaArica y Parinacota Region, Chile
    681.2×
  85. 85Şabāḩ as SālimMubārak al Kabīr, Kuwait
    681.2×
  86. 85San ClementeIca, Peru
    681.2×
  87. 87CauquenesMaule Region, Chile
    681.2×
  88. 88EłkWarmia-Masuria, Poland
    671.2×
  89. 88San Tung Chung HangIslands, Hong Kong
    671.2×
  90. 90AntananarivoAnalamanga, Madagascar
    671.2×
  91. 91Almatylow-cost sensorsAlmaty, Kazakhstan
    671.2×
  92. 92ChillánÑuble, Chile
    671.2×
  93. 92YauriCuzco Department, Peru
    671.2×
  94. 94Asunciónlow-cost sensorsAsuncion, Paraguay
    661.2×
  95. 94Khlong Sam WaBangkok, Thailand
    661.2×
  96. 96DziałdowoWarmia-Masuria, Poland
    661.2×
  97. 96HyderabadTelangana, India
    661.2×
  98. 96Los ÁngelesBiobio, Chile
    661.2×
  99. 99Nong KhaemBangkok, Thailand
    661.1×
  100. 99BarrieOntario, Canada
    661.1×
  101. 101MaarssenUtrecht, The Netherlands
    661.1×
  102. 101Saphan SungBangkok, Thailand
    661.1×
  103. 103LegionowoMazovia, Poland
    661.1×
  104. 103San Pedro de la PazBiobio, Chile
    661.1×
  105. 105PłockMazovia, Poland
    651.1×
  106. 106PułtuskMazovia, Poland
    641.1×
  107. 106GuangzhouGuangdong, China
    641.1×
  108. 106HamiltonOntario, Canada
    641.1×
  109. 109XinyingTaiwan, Taiwan
    641.1×
  110. 109WłocławekKujawsko-Pomorskie, Poland
    641.1×
  111. 111Medina Estateslow-cost sensorsGreater Accra, Ghana
    641.1×
  112. 112CalamaAntofagasta, Chile
    641.1×
  113. 113Ulu BedokSingapore
    641.1×
  114. 114KutnoŁódź Voivodeship, Poland
    631.1×
  115. 115PruszkówMazovia, Poland
    631.0×
  116. 116BogotáBogota D.C., Colombia
    631.0×
  117. 117Lexingtonlow-cost sensorsMassachusetts, United States
    631.0×
  118. 118Abujalow-cost sensorsFCT, Nigeria
    621.0×
  119. 119BramptonOntario, Canada
    621.0×
  120. 120Khan Na YaoBangkok, Thailand
    621.0×
  121. 121MiltonOntario, Canada
    611.0×
  122. 122Phra PradaengSamut Prakan, Thailand
    611.0×
  123. 122DorvalQuebec, Canada
    611.0×
  124. 124Mueang NonthaburiNonthaburi, Thailand
    600.9×
  125. 124HwasunJeollanam-do, South Korea
    600.9×
  126. 124Accralow-cost sensorsGreater Accra, Ghana
    600.9×
  127. 124BrantfordOntario, Canada
    600.9×
  128. 128BuanJeollabuk-do, South Korea
    600.9×
  129. 128Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    600.9×
  130. 128Greater SudburyOntario, Canada
    600.9×
  131. 128OakvilleOntario, Canada
    600.9×
  132. 132Khlong LuangPathum Thani, Thailand
    600.9×
  133. 132KimjeJeollabuk-do, South Korea
    600.9×
  134. 134GunsanJeollabuk-do, South Korea
    600.9×
  135. 134Queenstown Estatelow-cost sensorsSingapore
    600.9×
  136. 134ClevelandOhio, United States
    600.9×
  137. 134FontanaCalifornia, United States
    600.9×
  138. 138TangjinChungcheongnam-do, South Korea
    590.9×
  139. 138KenmoreNew York, United States
    590.9×
  140. 138KitchenerOntario, Canada
    590.9×
  141. 138JeongeupJeollabuk-do, South Korea
    590.9×
  142. 142WarsawMazovia, Poland
    590.9×
  143. 143OtwockMazovia, Poland
    590.9×
  144. 144Nakhon PathomNakhon Pathom, Thailand
    590.9×
  145. 145Konstancin-JeziornaMazovia, Poland
    590.9×
  146. 145ShanghaiShanghai, China
    590.9×
  147. 145YesanChungcheongnam-do, South Korea
    590.9×
  148. 145CharlestonWest Virginia, United States
    590.9×
  149. 149BangkokBangkok, Thailand
    580.9×
  150. 149AlgiersAlgiers, Algeria
    580.9×
  151. 151WoodlandsSingapore
    580.9×
  152. 152Yerevanlow-cost sensorsYerevan, Armenia
    580.8×
  153. 152EwingNew Jersey, United States
    580.8×
  154. 152Bueng KumBangkok, Thailand
    580.8×
  155. 155Quezon Citylow-cost sensorsNational Capital Region, Philippines
    580.8×
  156. 155Port ArthurTexas, United States
    580.8×
  157. 155MontréalQuebec, Canada
    580.8×
  158. 155Lak SiBangkok, Thailand
    580.8×
  159. 159Thunder BayOntario, Canada
    570.8×
  160. 159BoseongJeollanam-do, South Korea
    570.8×
  161. 161ToruńKujawsko-Pomorskie, Poland
    570.8×
  162. 161Jurupa ValleyCalifornia, United States
    570.8×
  163. 161BrossardQuebec, Canada
    570.8×
  164. 161TorontoOntario, Canada
    570.8×
  165. 165UtrechtUtrecht, The Netherlands
    570.8×
  166. 166GimcheonGyeongsangbuk-do, South Korea
    570.8×
  167. 166KaliszGreater Poland, Poland
    570.8×
  168. 166VictorvilleCalifornia, United States
    570.8×
  169. 166MississaugaOntario, Canada
    570.8×
  170. 166ShawiniganQuebec, Canada
    570.8×
  171. 171ElblągWarmia-Masuria, Poland
    570.8×
  172. 171HarrisburgPennsylvania, United States
    570.8×
  173. 173ChocopeLa Libertad, Peru
    560.8×
  174. 173NewmarketOntario, Canada
    560.8×
  175. 175NijmegenGelderland, The Netherlands
    560.8×
  176. 175IJsselsteinUtrecht, The Netherlands
    560.8×
  177. 175BredaNorth Brabant, The Netherlands
    560.8×
  178. 175OttawaOntario, Canada
    560.8×
  179. 179WawerMazovia, Poland
    560.8×
  180. 179YangonYangon, Myanmar
    560.8×
  181. 179WarrenOhio, United States
    560.8×
  182. 182BanningCalifornia, United States
    560.8×
  183. 183ObamaFukui, Japan
    560.8×
  184. 183GuelphOntario, Canada
    560.8×
  185. 185JangheungJeollanam-do, South Korea
    550.8×
  186. 185BuffaloNew York, United States
    550.8×
  187. 185St. CatharinesOntario, Canada
    550.8×
  188. 185AshburtonCanterbury, New Zealand
    550.8×
  189. 189SuwałkiPodlasie, Poland
    550.8×
  190. 189Novi PazarCentral Serbia, Serbia
    550.8×
  191. 189JinchengFukien, Taiwan
    550.8×
  192. 189RedfordMichigan, United States
    550.8×
  193. 193ŻyrardówMazovia, Poland
    550.8×
  194. 193FengshanTakao, Taiwan
    550.8×
  195. 193LebanonPennsylvania, United States
    550.8×
  196. 193SuperiorWisconsin, United States
    550.8×
  197. 193BrawleyCalifornia, United States
    550.8×
  198. 193Twin FallsIdaho, United States
    550.8×
  199. 193Great FallsMontana, United States
    550.8×
  200. 193PeterboroughOntario, Canada
    550.8×

Top 200 of 1,705 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 15, 2024, smogrank.com/history/2024-09-15 (accessed 3 Oct 2026).

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