SmogRank / History / October 3, 2024

Most polluted cities on October 3, 2024

1,714 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 131.0 µg/m³. Each city's own local calendar day.

← Lahore 131.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for October 3, 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. 1Lahorelow-cost sensorsPunjab, Pakistan
    2068.7×
  2. 2Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1786.3×
  3. 3Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1766.1×
  4. 4Kampalalow-cost sensorsCentral Region, Uganda
    1705.5×
  5. 5Santa Anita - Los FicusLima region, Peru
    1584.4×
  6. 6KolkataWest Bengal, India
    1564.1×
  7. 7LimaLima Province, Peru
    1403.4×
  8. 8N'DjamenaN’Djaména, Chad
    1353.3×
  9. 9JakartaJakarta, Indonesia
    1333.2×
  10. 10Islamabadlow-cost sensorsIslamabad, Pakistan
    1263.0×
  11. 11DelhiDelhi, India
    1243.0×
  12. 12Puerto VarasLos Lagos Region, Chile
    1212.9×
  13. 13Puerto MonttLos Lagos Region, Chile
    1172.8×
  14. 14HualpénBiobio, Chile
    1162.8×
  15. 15Villa Poeta José Gálvez BarrenecheaLima region, Peru
    1082.6×
  16. 16AshgabatAshgabat, Turkmenistan
    1062.5×
  17. 17Dhakalow-cost sensorsDhaka Division, Bangladesh
    1022.4×
  18. 18HanoiHanoi, Vietnam
    1002.4×
  19. 19San Francisco De BorjaLima region, Peru
    992.3×
  20. 20CoronelBiobio, Chile
    982.3×
  21. 21Jacobo HunterArequipa, Peru
    972.3×
  22. 22DushanbeDushanbe, Tajikistan
    962.2×
  23. 23NacimientoBiobio, Chile
    962.2×
  24. 24CairoCairo, Egypt
    952.2×
  25. 25ChiguayanteBiobio, Chile
    932.1×
  26. 26Şabāḩ as SālimMubārak al Kabīr, Kuwait
    932.1×
  27. 27La UniónLos Ríos Region, Chile
    922.1×
  28. 28Ulan BatorUlaanbaatar, Mongolia
    912.1×
  29. 28CoyhaiqueAysén, Chile
    912.1×
  30. 30CallaoCallao, Peru
    912.0×
  31. 31HualquiBiobio, Chile
    902.0×
  32. 32ValdiviaLos Ríos Region, Chile
    892.0×
  33. 33BaghdadBaghdad, Iraq
    861.9×
  34. 34AntananarivoAnalamanga, Madagascar
    851.8×
  35. 35CuranilahueBiobio, Chile
    851.8×
  36. 36Abujalow-cost sensorsFCT, Nigeria
    851.8×
  37. 36ZgierzŁódź Voivodeship, Poland
    851.8×
  38. 38SantiagoSantiago Metropolitan, Chile
    841.8×
  39. 38San ClementeIca, Peru
    841.8×
  40. 40Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    821.7×
  41. 40RancaguaO'Higgins Region, Chile
    821.7×
  42. 42Kathmandulow-cost sensorsBagmati Province, Nepal
    821.7×
  43. 43TemucoAraucania, Chile
    821.7×
  44. 44ManamaManama, Bahrain
    821.7×
  45. 45VillarricaAraucania, Chile
    821.7×
  46. 46OsornoLos Lagos Region, Chile
    811.7×
  47. 47Puente AltoSantiago Metropolitan, Chile
    811.7×
  48. 48HanfordCalifornia, United States
    811.7×
  49. 49El PasoTexas, United States
    801.6×
  50. 50FontanaCalifornia, United States
    801.6×
  51. 51RengoO'Higgins Region, Chile
    791.6×
  52. 52TalaganteSantiago Metropolitan, Chile
    771.6×
  53. 53Tuen MunTuen Mun, Hong Kong
    771.5×
  54. 54AntofagastaAntofagasta, Chile
    771.5×
  55. 55Wan ChaiWan Chai, Hong Kong
    761.5×
  56. 55TalcahuanoBiobio, Chile
    761.5×
  57. 57FresnoCalifornia, United States
    761.5×
  58. 58ChocopeLa Libertad, Peru
    761.5×
  59. 59ToméBiobio, Chile
    761.5×
  60. 60ChennaiTamil Nadu, India
    751.5×
  61. 60QuinteroValparaiso, Chile
    751.5×
  62. 62CuricóMaule Region, Chile
    751.5×
  63. 63BeijingBeijing, China
    751.5×
  64. 64RichmondCalifornia, United States
    751.5×
  65. 65Jurupa ValleyCalifornia, United States
    741.4×
  66. 66Addis AbabaAddis Ababa, Ethiopia
    741.4×
  67. 66SalorTashkent Region, Uzbekistan
    741.4×
  68. 66CopiapóAtacama, Chile
    741.4×
  69. 69QuillotaValparaiso, Chile
    741.4×
  70. 70ConcepciónBiobio, Chile
    741.4×
  71. 71La SerenaCoquimbo Region, Chile
    741.4×
  72. 72ConcónValparaiso, Chile
    741.4×
  73. 73TalcaMaule Region, Chile
    731.4×
  74. 73CauquenesMaule Region, Chile
    731.4×
  75. 75CoquimboCoquimbo Region, Chile
    721.4×
  76. 75ChillánÑuble, Chile
    721.4×
  77. 77TocopillaAntofagasta, Chile
    721.3×
  78. 77CorcoranCalifornia, United States
    721.3×
  79. 79RiversideCalifornia, United States
    711.3×
  80. 80Bang NaBangkok, Thailand
    711.3×
  81. 80BogotáBogota D.C., Colombia
    711.3×
  82. 80Santa Monicalow-cost sensorsCalifornia, United States
    711.3×
  83. 80San Pedro de la PazBiobio, Chile
    711.3×
  84. 84OaklandCalifornia, United States
    711.3×
  85. 85GuangzhouGuangdong, China
    711.3×
  86. 85LotaBiobio, Chile
    711.3×
  87. 87IndianapolisIndiana, United States
    711.3×
  88. 88Jastrzębie ZdrójSilesia, Poland
    701.3×
  89. 88Imperial BeachCalifornia, United States
    701.3×
  90. 90ŁódźŁódź Voivodeship, Poland
    701.3×
  91. 91FanlingNorth District, Hong Kong
    701.3×
  92. 91Viña del MarValparaiso, Chile
    701.3×
  93. 93ŁaskŁódź Voivodeship, Poland
    701.3×
  94. 93Los AngelesCalifornia, United States
    701.3×
  95. 95NajuJeollanam-do, South Korea
    691.3×
  96. 95RacibórzSilesia, Poland
    691.3×
  97. 97Skarżysko-KamiennaŚwiętokrzyskie, Poland
    691.3×
  98. 97StocktonCalifornia, United States
    691.3×
  99. 99MumbaiMaharashtra, India
    691.2×
  100. 100Los ÁngelesBiobio, Chile
    681.2×
  101. 100BurbankCalifornia, United States
    681.2×
  102. 102ClovisCalifornia, United States
    681.2×
  103. 103Alto HospicioTarapacá, Chile
    681.2×
  104. 104AlgiersAlgiers, Algeria
    671.2×
  105. 104QuilpuéValparaiso, Chile
    671.2×
  106. 104El CentroCalifornia, United States
    671.2×
  107. 104PortervilleCalifornia, United States
    671.2×
  108. 108DallasTexas, United States
    671.2×
  109. 109Puerto AysénAysén, Chile
    671.2×
  110. 110Kwai ChungKwai Tsing District, Hong Kong
    661.2×
  111. 110KatowiceSilesia, Poland
    661.2×
  112. 112Tin Shui WaiYuen Long, Hong Kong
    661.1×
  113. 112ŌtsukiYamanashi, Japan
    661.1×
  114. 112BakersfieldCalifornia, United States
    661.1×
  115. 115OtwockMazovia, Poland
    651.1×
  116. 115VisaliaCalifornia, United States
    651.1×
  117. 117PruszkówMazovia, Poland
    651.1×
  118. 117San Tung Chung HangIslands, Hong Kong
    651.1×
  119. 117Inglewoodlow-cost sensorsCalifornia, United States
    651.1×
  120. 120Port ArthurTexas, United States
    651.1×
  121. 120Hawthornelow-cost sensorsCalifornia, United States
    651.1×
  122. 122Tai PoTai Po, Hong Kong
    651.1×
  123. 122CalamaAntofagasta, Chile
    651.1×
  124. 122NogalesSonora, Mexico
    651.1×
  125. 125Khlong Sam WaBangkok, Thailand
    641.1×
  126. 126ErlunTaiwan, Taiwan
    641.1×
  127. 126GlendoraCalifornia, United States
    641.1×
  128. 128KutnoŁódź Voivodeship, Poland
    641.1×
  129. 128BirminghamAlabama, United States
    641.1×
  130. 128CalexicoCalifornia, United States
    641.1×
  131. 131BakuBaki, Azerbaijan
    641.1×
  132. 132Mong KokYau Tsim Mong District, Hong Kong
    641.1×
  133. 132SaginawTexas, United States
    641.1×
  134. 132ModestoCalifornia, United States
    641.1×
  135. 135BiałystokPodlasie, Poland
    631.1×
  136. 135Bang Bo DistrictSamut Prakan, Thailand
    631.1×
  137. 137Bielsko-BialaSilesia, Poland
    631.0×
  138. 137ConroeTexas, United States
    631.0×
  139. 137NogalesArizona, United States
    631.0×
  140. 137TracyCalifornia, United States
    631.0×
  141. 141BrookfieldIllinois, United States
    631.0×
  142. 142ColumbusOhio, United States
    631.0×
  143. 142TurlockCalifornia, United States
    631.0×
  144. 144LegionowoMazovia, Poland
    621.0×
  145. 144Agouralow-cost sensorsCalifornia, United States
    621.0×
  146. 144MaderaCalifornia, United States
    621.0×
  147. 147Khlong LuangPathum Thani, Thailand
    621.0×
  148. 147KaliszGreater Poland, Poland
    621.0×
  149. 147Santa BarbaraCalifornia, United States
    621.0×
  150. 150Konstancin-JeziornaMazovia, Poland
    621.0×
  151. 150Tsuen WanTsuen Wan, Hong Kong
    621.0×
  152. 150YauriCuzco Department, Peru
    621.0×
  153. 150El CajonCalifornia, United States
    621.0×
  154. 154Sham Shui PoSham Shui Po District, Hong Kong
    621.0×
  155. 154AtlantaGeorgia, United States
    621.0×
  156. 156Little RockArkansas, United States
    611.0×
  157. 157HyderabadTelangana, India
    611.0×
  158. 157OrcuttCalifornia, United States
    611.0×
  159. 159ŻyrardówMazovia, Poland
    611.0×
  160. 159Ban Samae DamBangkok, Thailand
    611.0×
  161. 159KimjeJeollabuk-do, South Korea
    611.0×
  162. 159GotembaShizuoka, Japan
    611.0×
  163. 163Terre HauteIndiana, United States
    611.0×
  164. 163Santa ClaritaCalifornia, United States
    611.0×
  165. 163MillcreekUtah, United States
    611.0×
  166. 163Saphan SungBangkok, Thailand
    611.0×
  167. 167Sha TinSha Tin, Hong Kong
    600.9×
  168. 167Sau Mau PingKwun Tong District, Hong Kong
    600.9×
  169. 167HattiesburgMississippi, United States
    600.9×
  170. 167Chula VistaCalifornia, United States
    600.9×
  171. 167SalinasCalifornia, United States
    600.9×
  172. 172YumaArizona, United States
    600.9×
  173. 173NyūzenToyama, Japan
    600.9×
  174. 173VictoriaCentral and Western, Hong Kong
    600.9×
  175. 175Jurong WestSingapore
    600.9×
  176. 175LafayetteLouisiana, United States
    600.9×
  177. 175HernandoMississippi, United States
    600.9×
  178. 175MasonOhio, United States
    600.9×
  179. 175HoustonTexas, United States
    600.9×
  180. 180KielceŚwiętokrzyskie, Poland
    600.9×
  181. 180ChimboteAncash, Peru
    600.9×
  182. 180PasadenaTexas, United States
    600.9×
  183. 183IksanJeollabuk-do, South Korea
    590.9×
  184. 184Samut SakhonSamut Sakhon, Thailand
    590.9×
  185. 184Accralow-cost sensorsGreater Accra, Ghana
    590.9×
  186. 184Carsonlow-cost sensorsCalifornia, United States
    590.9×
  187. 187WarsawMazovia, Poland
    590.9×
  188. 187RadomMazovia, Poland
    590.9×
  189. 187PowayCalifornia, United States
    590.9×
  190. 190MiskolcBorsod-Abaúj-Zemplén, Hungary
    590.9×
  191. 190TaharaAichi, Japan
    590.9×
  192. 190SpringdaleArkansas, United States
    590.9×
  193. 190ShreveportLouisiana, United States
    590.9×
  194. 190Redwood CityCalifornia, United States
    590.9×
  195. 190AyaseKanagawa, Japan
    590.9×
  196. 196ZamośćLublin, Poland
    590.9×
  197. 196ŁukówLublin, Poland
    590.9×
  198. 196KrakówLesser Poland, Poland
    590.9×
  199. 196VallejoCalifornia, United States
    590.9×
  200. 200AnaheimCalifornia, United States
    580.9×

Top 200 of 1,714 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, October 3, 2024, smogrank.com/history/2024-10-03 (accessed 3 Oct 2026).

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