SmogRank / History / September 29, 2024

Most polluted cities on September 29, 2024

1,732 cities ranked by their average PM2.5 over the day; the worst was Salor, Uzbekistan, at 116.0 µg/m³. Each city's own local calendar day.

← Salor 116.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for September 29, 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. 1SalorTashkent Region, Uzbekistan
    1937.7×
  2. 2Kampalalow-cost sensorsCentral Region, Uganda
    1806.4×
  3. 3Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1655.0×
  4. 4Lahorelow-cost sensorsPunjab, Pakistan
    1614.6×
  5. 5Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1584.4×
  6. 6AntananarivoAnalamanga, Madagascar
    1533.9×
  7. 7BeijingBeijing, China
    1523.8×
  8. 7Santa Anita - Los FicusLima region, Peru
    1523.8×
  9. 9JakartaJakarta, Indonesia
    1273.1×
  10. 10BaghdadBaghdad, Iraq
    1233.0×
  11. 11AshgabatAshgabat, Turkmenistan
    1162.8×
  12. 12Dhakalow-cost sensorsDhaka Division, Bangladesh
    1132.7×
  13. 13HualpénBiobio, Chile
    1112.6×
  14. 14MaputoMaputo City, Mozambique
    1102.6×
  15. 15DushanbeDushanbe, Tajikistan
    1052.5×
  16. 16CoyhaiqueAysén, Chile
    1032.4×
  17. 17Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1022.4×
  18. 18San Francisco De BorjaLima region, Peru
    1002.3×
  19. 19AstanaAstana, Kazakhstan
    962.2×
  20. 20Islamabadlow-cost sensorsIslamabad, Pakistan
    952.2×
  21. 20CuranilahueBiobio, Chile
    952.2×
  22. 22BakuBaki, Azerbaijan
    942.1×
  23. 23CuricóMaule Region, Chile
    922.1×
  24. 24NacimientoBiobio, Chile
    912.0×
  25. 25Puerto AysénAysén, Chile
    912.0×
  26. 26Puerto VarasLos Lagos Region, Chile
    902.0×
  27. 27Jacobo HunterArequipa, Peru
    902.0×
  28. 28Puerto MonttLos Lagos Region, Chile
    902.0×
  29. 29Addis AbabaAddis Ababa, Ethiopia
    881.9×
  30. 30RancaguaO'Higgins Region, Chile
    871.9×
  31. 31SantiagoSantiago Metropolitan, Chile
    861.9×
  32. 32RengoO'Higgins Region, Chile
    851.8×
  33. 33CoronelBiobio, Chile
    851.8×
  34. 34Puente AltoSantiago Metropolitan, Chile
    851.8×
  35. 35Kathmandulow-cost sensorsBagmati Province, Nepal
    851.8×
  36. 36AntofagastaAntofagasta, Chile
    821.7×
  37. 37Asunciónlow-cost sensorsAsuncion, Paraguay
    821.7×
  38. 38CallaoCallao, Peru
    821.7×
  39. 39TalcaMaule Region, Chile
    811.7×
  40. 40TemucoAraucania, Chile
    801.7×
  41. 40HualquiBiobio, Chile
    801.7×
  42. 42ChillánÑuble, Chile
    801.7×
  43. 43Villa Poeta José Gálvez BarrenecheaLima region, Peru
    801.6×
  44. 44GuangzhouGuangdong, China
    781.6×
  45. 45Wan ChaiWan Chai, Hong Kong
    781.6×
  46. 46HanoiHanoi, Vietnam
    771.6×
  47. 46FengshanTakao, Taiwan
    771.6×
  48. 48DelhiDelhi, India
    771.5×
  49. 49VillarricaAraucania, Chile
    771.5×
  50. 49Los ÁngelesBiobio, Chile
    771.5×
  51. 51HyderabadTelangana, India
    761.5×
  52. 51AricaArica y Parinacota Region, Chile
    761.5×
  53. 53ChocopeLa Libertad, Peru
    761.5×
  54. 54Bang NaBangkok, Thailand
    761.5×
  55. 54La UniónLos Ríos Region, Chile
    761.5×
  56. 56QuillotaValparaiso, Chile
    741.4×
  57. 56OsornoLos Lagos Region, Chile
    741.4×
  58. 58Nong KhaemBangkok, Thailand
    721.4×
  59. 58Khlong Sam WaBangkok, Thailand
    721.4×
  60. 60ConcónValparaiso, Chile
    721.4×
  61. 61QuilpuéValparaiso, Chile
    711.3×
  62. 61Alto HospicioTarapacá, Chile
    711.3×
  63. 63QuinteroValparaiso, Chile
    711.3×
  64. 64ValdiviaLos Ríos Region, Chile
    701.3×
  65. 64CauquenesMaule Region, Chile
    701.3×
  66. 64Jurupa ValleyCalifornia, United States
    701.3×
  67. 67TalaganteSantiago Metropolitan, Chile
    701.3×
  68. 68YuanlinTaiwan, Taiwan
    701.3×
  69. 68KaohsiungTakao, Taiwan
    701.3×
  70. 70Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    691.3×
  71. 70DouliuTaiwan, Taiwan
    691.3×
  72. 70ZhushanTaiwan, Taiwan
    691.3×
  73. 70LotaBiobio, Chile
    691.3×
  74. 74Ban Samae DamBangkok, Thailand
    691.3×
  75. 74San ClementeIca, Peru
    691.3×
  76. 76YongkangTaiwan, Taiwan
    691.2×
  77. 77Viña del MarValparaiso, Chile
    691.2×
  78. 77TocopillaAntofagasta, Chile
    691.2×
  79. 79RiversideCalifornia, United States
    681.2×
  80. 80XinyingTaiwan, Taiwan
    681.2×
  81. 81CalamaAntofagasta, Chile
    671.2×
  82. 82TainanTaiwan, Taiwan
    671.2×
  83. 83N'DjamenaN’Djaména, Chad
    671.2×
  84. 84MinamataKumamoto, Japan
    671.2×
  85. 85CopiapóAtacama, Chile
    661.2×
  86. 86ChiguayanteBiobio, Chile
    661.1×
  87. 87KolkataWest Bengal, India
    661.1×
  88. 87PuliTaiwan, Taiwan
    661.1×
  89. 87NantouTaiwan, Taiwan
    661.1×
  90. 90La SerenaCoquimbo Region, Chile
    661.1×
  91. 90AnaheimCalifornia, United States
    661.1×
  92. 92CoquimboCoquimbo Region, Chile
    661.1×
  93. 92FontanaCalifornia, United States
    661.1×
  94. 94ShanghaiShanghai, China
    651.1×
  95. 95RichmondCalifornia, United States
    651.1×
  96. 96FanlingNorth District, Hong Kong
    651.1×
  97. 97BogotáBogota D.C., Colombia
    651.1×
  98. 97TalcahuanoBiobio, Chile
    651.1×
  99. 97Saphan SungBangkok, Thailand
    651.1×
  100. 100Chiayi CityTaiwan, Taiwan
    641.1×
  101. 101ErlunTaiwan, Taiwan
    641.1×
  102. 101ChimboteAncash, Peru
    641.1×
  103. 103Tuen MunTuen Mun, Hong Kong
    641.1×
  104. 103HonmachiKumamoto, Japan
    641.1×
  105. 105TaichungTaiwan, Taiwan
    631.1×
  106. 105Medina Estateslow-cost sensorsGreater Accra, Ghana
    631.1×
  107. 105Saint AndrewsSouth Carolina, United States
    631.1×
  108. 108ToméBiobio, Chile
    631.0×
  109. 109Nong ChokBangkok, Thailand
    631.0×
  110. 110BeigangTaiwan, Taiwan
    631.0×
  111. 110San Pedro de la PazBiobio, Chile
    631.0×
  112. 112ŌtsukiYamanashi, Japan
    621.0×
  113. 113Vientianelow-cost sensorsVientiane Prefecture, Laos
    621.0×
  114. 113Khan Na YaoBangkok, Thailand
    621.0×
  115. 115Mong KokYau Tsim Mong District, Hong Kong
    621.0×
  116. 116AlgiersAlgiers, Algeria
    621.0×
  117. 116BadgerAlaska, United States
    621.0×
  118. 116Sai MaiBangkok, Thailand
    621.0×
  119. 119Iloilolow-cost sensorsWestern Visayas, Philippines
    611.0×
  120. 120ZgierzŁódź Voivodeship, Poland
    611.0×
  121. 120Bueng KumBangkok, Thailand
    611.0×
  122. 122Tai PoTai Po, Hong Kong
    611.0×
  123. 122Ōyanomachi-noboritateKumamoto, Japan
    611.0×
  124. 124ŁaskŁódź Voivodeship, Poland
    611.0×
  125. 125Hawthornelow-cost sensorsCalifornia, United States
    611.0×
  126. 126Bang KapiBangkok, Thailand
    600.9×
  127. 126BuziTaiwan, Taiwan
    600.9×
  128. 126XizhouTaiwan, Taiwan
    600.9×
  129. 126Inglewoodlow-cost sensorsCalifornia, United States
    600.9×
  130. 126YanacanchaPasco, Peru
    600.9×
  131. 131BangkokBangkok, Thailand
    600.9×
  132. 131ErlinTaiwan, Taiwan
    600.9×
  133. 131Tin Shui WaiYuen Long, Hong Kong
    600.9×
  134. 131Jurong WestSingapore
    600.9×
  135. 135LafayetteLouisiana, United States
    600.9×
  136. 135Los AngelesCalifornia, United States
    600.9×
  137. 137Tsuen WanTsuen Wan, Hong Kong
    600.9×
  138. 137Kwai ChungKwai Tsing District, Hong Kong
    600.9×
  139. 139YauriCuzco Department, Peru
    590.9×
  140. 139Carsonlow-cost sensorsCalifornia, United States
    590.9×
  141. 141Lak SiBangkok, Thailand
    590.9×
  142. 142TaibaoTaiwan, Taiwan
    590.9×
  143. 142Bielsko-BialaSilesia, Poland
    590.9×
  144. 142MissionTexas, United States
    590.9×
  145. 142Lat KrabangBangkok, Thailand
    590.9×
  146. 146ConcepciónBiobio, Chile
    590.9×
  147. 146FlorenceSouth Carolina, United States
    590.9×
  148. 148Almatylow-cost sensorsAlmaty, Kazakhstan
    580.9×
  149. 148San Tung Chung HangIslands, Hong Kong
    580.9×
  150. 150Winston-SalemNorth Carolina, United States
    580.9×
  151. 151ColomboWestern Province, Sri Lanka
    580.9×
  152. 151São PauloSão Paulo, Brazil
    580.9×
  153. 151BuzenFukuoka, Japan
    580.9×
  154. 154ChaozhouTaiwan, Taiwan
    580.9×
  155. 154Uekimachi-mōnoKumamoto, Japan
    580.9×
  156. 156UtoKumamoto, Japan
    580.8×
  157. 156RabinalBaja Verapaz, Guatemala
    580.8×
  158. 156Guatemala CityGuatemala, Guatemala
    580.8×
  159. 156HoustonTexas, United States
    580.8×
  160. 160KłodzkoLower Silesia, Poland
    580.8×
  161. 160PasadenaTexas, United States
    580.8×
  162. 160BerkeleyCalifornia, United States
    580.8×
  163. 160AyaseKanagawa, Japan
    580.8×
  164. 164ŌzuKumamoto, Japan
    570.8×
  165. 164ChanghuaTaiwan, Taiwan
    570.8×
  166. 164GreensboroNorth Carolina, United States
    570.8×
  167. 167Ban Khlong PrawetBangkok, Thailand
    570.8×
  168. 167Roanoke RapidsNorth Carolina, United States
    570.8×
  169. 169VisaliaCalifornia, United States
    570.8×
  170. 170Lomitalow-cost sensorsCalifornia, United States
    570.8×
  171. 170Torrancelow-cost sensorsCalifornia, United States
    570.8×
  172. 172Sau Mau PingKwun Tong District, Hong Kong
    570.8×
  173. 172SheridanWyoming, United States
    570.8×
  174. 172Arden-ArcadeCalifornia, United States
    570.8×
  175. 175MifuneKumamoto, Japan
    560.8×
  176. 175KumamotoKumamoto, Japan
    560.8×
  177. 175MidwayFlorida, United States
    560.8×
  178. 178JinchengFukien, Taiwan
    560.8×
  179. 178Sham Shui PoSham Shui Po District, Hong Kong
    560.8×
  180. 178KikuchiKumamoto, Japan
    560.8×
  181. 178IwadeWakayama, Japan
    560.8×
  182. 178Lagoslow-cost sensorsLagos, Nigeria
    560.8×
  183. 178DurhamNorth Carolina, United States
    560.8×
  184. 184SaikiOita, Japan
    560.8×
  185. 184NobeokaMiyazaki, Japan
    560.8×
  186. 184Santa Monicalow-cost sensorsCalifornia, United States
    560.8×
  187. 187VictoriaCentral and Western, Hong Kong
    560.8×
  188. 187LexingtonNorth Carolina, United States
    560.8×
  189. 187MorrisvilleNorth Carolina, United States
    560.8×
  190. 187RochesterMinnesota, United States
    560.8×
  191. 187UkihaFukuoka, Japan
    560.8×
  192. 192Sha TinSha Tin, Hong Kong
    550.8×
  193. 192Port ArthurTexas, United States
    550.8×
  194. 194YamagaKumamoto, Japan
    550.8×
  195. 194LincolnNebraska, United States
    550.8×
  196. 194BurbankCalifornia, United States
    550.8×
  197. 194Chula VistaCalifornia, United States
    550.8×
  198. 198IzumiKagoshima, Japan
    550.8×
  199. 198RaleighNorth Carolina, United States
    550.8×
  200. 198Missouri CityTexas, United States
    550.8×

Top 200 of 1,732 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 29, 2024, smogrank.com/history/2024-09-29 (accessed 3 Oct 2026).

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