SmogRank / History / October 27, 2024

Most polluted cities on October 27, 2024

2,260 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 305.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during October 27, 2024. All episodes.

← Lahore 305.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for October 27, 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
    45920.3×
  2. 2DelhiDelhi, India
    23210.5×
  3. 3NacimientoBiobio, Chile
    2028.4×
  4. 4Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1917.5×
  5. 5Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1867.0×
  6. 6HyderabadTelangana, India
    1796.3×
  7. 7Dhakalow-cost sensorsDhaka Division, Bangladesh
    1735.8×
  8. 8MumbaiMaharashtra, India
    1685.3×
  9. 9AntananarivoAnalamanga, Madagascar
    1644.9×
  10. 10DushanbeDushanbe, Tajikistan
    1624.8×
  11. 11OtwockMazovia, Poland
    1594.5×
  12. 12KraljevoCentral Serbia, Serbia
    1594.4×
  13. 13LublinLublin, Poland
    1594.4×
  14. 14Kampalalow-cost sensorsCentral Region, Uganda
    1584.4×
  15. 15ChennaiTamil Nadu, India
    1564.2×
  16. 16Banja LukaSrpska, Bosnia and Herzegovina
    1564.1×
  17. 17ŁukówLublin, Poland
    1544.0×
  18. 18Novi PazarCentral Serbia, Serbia
    1523.8×
  19. 19AugustówPodlasie, Poland
    1513.7×
  20. 20N'DjamenaN’Djaména, Chad
    1513.7×
  21. 21WłocławekKujawsko-Pomorskie, Poland
    1453.6×
  22. 22UžiceCentral Serbia, Serbia
    1423.5×
  23. 23Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1373.3×
  24. 24MexicaliBaja California, Mexico
    1363.3×
  25. 25RacibórzSilesia, Poland
    1353.3×
  26. 26Kathmandulow-cost sensorsBagmati Province, Nepal
    1343.2×
  27. 27CairoCairo, Egypt
    1333.2×
  28. 28PułtuskMazovia, Poland
    1323.2×
  29. 29Ulan BatorUlaanbaatar, Mongolia
    1323.2×
  30. 29ZgierzŁódź Voivodeship, Poland
    1323.2×
  31. 31KutnoŁódź Voivodeship, Poland
    1313.2×
  32. 32Islamabadlow-cost sensorsIslamabad, Pakistan
    1293.1×
  33. 33KaliszGreater Poland, Poland
    1273.1×
  34. 34CodleaBrașov County, Romania
    1273.1×
  35. 35WarsawMazovia, Poland
    1263.0×
  36. 35DziałdowoWarmia-Masuria, Poland
    1263.0×
  37. 35ČačakCentral Serbia, Serbia
    1263.0×
  38. 38SalorTashkent Region, Uzbekistan
    1263.0×
  39. 39LegionowoMazovia, Poland
    1253.0×
  40. 40GrajewoPodlasie, Poland
    1253.0×
  41. 41PruszkówMazovia, Poland
    1243.0×
  42. 42StarachowiceŚwiętokrzyskie, Poland
    1222.9×
  43. 43BydgoszczKujawsko-Pomorskie, Poland
    1222.9×
  44. 44KielceŚwiętokrzyskie, Poland
    1212.9×
  45. 45PrzemyślSubcarpathia, Poland
    1182.8×
  46. 46Konstancin-JeziornaMazovia, Poland
    1182.8×
  47. 46ŁaskŁódź Voivodeship, Poland
    1182.8×
  48. 48KolkataWest Bengal, India
    1182.8×
  49. 49Czechowice-DziedziceSilesia, Poland
    1172.8×
  50. 50BaghdadBaghdad, Iraq
    1162.8×
  51. 50PoznańGreater Poland, Poland
    1162.8×
  52. 50Jastrzębie ZdrójSilesia, Poland
    1162.8×
  53. 53PłockMazovia, Poland
    1152.8×
  54. 54ŻyrardówMazovia, Poland
    1152.7×
  55. 55KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1142.7×
  56. 56ElblągWarmia-Masuria, Poland
    1132.7×
  57. 57MiskolcBorsod-Abaúj-Zemplén, Hungary
    1112.6×
  58. 57OlsztynWarmia-Masuria, Poland
    1112.6×
  59. 59NišCentral Serbia, Serbia
    1112.6×
  60. 60ŁódźŁódź Voivodeship, Poland
    1112.6×
  61. 61KlaipėdaKlaipėda County, Lithuania
    1102.6×
  62. 62ValjevoCentral Serbia, Serbia
    1092.6×
  63. 63JakartaJakarta, Indonesia
    1082.6×
  64. 64WawerMazovia, Poland
    1072.5×
  65. 65KościanGreater Poland, Poland
    1072.5×
  66. 66RadomMazovia, Poland
    1062.5×
  67. 67SmederevoCentral Serbia, Serbia
    1052.5×
  68. 68ŻywiecSilesia, Poland
    1042.5×
  69. 69EłkWarmia-Masuria, Poland
    1022.4×
  70. 69Kędzierzyn-KoźleOpole Voivodeship, Poland
    1022.4×
  71. 71ŚwiecieKujawsko-Pomorskie, Poland
    1022.4×
  72. 72KragujevacCentral Serbia, Serbia
    1012.4×
  73. 73Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    1002.4×
  74. 74Ganghwa-gunIncheon, South Korea
    992.3×
  75. 75KatowiceSilesia, Poland
    992.3×
  76. 76DejCluj County, Romania
    982.3×
  77. 77ToruńKujawsko-Pomorskie, Poland
    982.3×
  78. 78BiałystokPodlasie, Poland
    982.3×
  79. 79VilniusVilnius, Lithuania
    982.3×
  80. 79OlomoucOlomouc Region, Czechia
    982.3×
  81. 79Novi SadVojvodina, Serbia
    982.3×
  82. 82VisaliaCalifornia, United States
    972.3×
  83. 83Wodzisław ŚląskiSilesia, Poland
    972.2×
  84. 84LazarevacCentral Serbia, Serbia
    962.2×
  85. 85PřerovOlomouc Region, Czechia
    962.2×
  86. 86FutogVojvodina, Serbia
    952.2×
  87. 87NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    952.2×
  88. 87RuseRuse, Bulgaria
    952.2×
  89. 89ObrenovacCentral Serbia, Serbia
    942.2×
  90. 90TrebišovKošice Region, Slovakia
    942.1×
  91. 91Cluj-NapocaCluj County, Romania
    932.1×
  92. 92Bielsko-BialaSilesia, Poland
    932.1×
  93. 93KošiceKošice Region, Slovakia
    922.1×
  94. 93PirotCentral Serbia, Serbia
    922.1×
  95. 95ČadcaŽilina Region, Slovakia
    922.1×
  96. 96KaunasKaunas, Lithuania
    922.1×
  97. 96HanoiHanoi, Vietnam
    922.1×
  98. 96LučenecBanská Bystrica Region, Slovakia
    922.1×
  99. 99RadomskoŁódź Voivodeship, Poland
    912.1×
  100. 100SzczecinWest Pomerania, Poland
    912.0×
  101. 101NiskoSubcarpathia, Poland
    912.0×
  102. 102Strzelce OpolskieOpole Voivodeship, Poland
    912.0×
  103. 103ZamośćLublin, Poland
    902.0×
  104. 104BucharestBucharest, Romania
    902.0×
  105. 105PúchovTrenčín Region, Slovakia
    902.0×
  106. 106ZemunCentral Serbia, Serbia
    902.0×
  107. 107Valašské MeziříčíZlín, Czechia
    892.0×
  108. 107KrakówLesser Poland, Poland
    892.0×
  109. 107BirminghamAlabama, United States
    892.0×
  110. 110Wan ChaiWan Chai, Hong Kong
    881.9×
  111. 111PrešovPrešov Region, Slovakia
    881.9×
  112. 112GdańskPomerania, Poland
    881.9×
  113. 113Tuen MunTuen Mun, Hong Kong
    871.9×
  114. 114Gorzów WielkopolskiLubusz, Poland
    871.9×
  115. 115Almatylow-cost sensorsAlmaty, Kazakhstan
    871.9×
  116. 116Şabāḩ as SālimMubārak al Kabīr, Kuwait
    861.9×
  117. 117PristinaPristina, Kosovo
    861.9×
  118. 118BardejovPrešov Region, Slovakia
    861.9×
  119. 118ZnojmoSouth Moravian, Czechia
    861.9×
  120. 118Santa Anita - Los FicusLima region, Peru
    861.9×
  121. 121FanlingNorth District, Hong Kong
    851.8×
  122. 121PezinokBratislava Region, Slovakia
    851.8×
  123. 121LimaLima Province, Peru
    851.8×
  124. 124KościerzynaPomerania, Poland
    851.8×
  125. 124CranbrookBritish Columbia, Canada
    851.8×
  126. 126Hradec KrálovéHradec Králové Region, Czechia
    851.8×
  127. 126GdyniaPomerania, Poland
    851.8×
  128. 128HandlováTrenčín Region, Slovakia
    851.8×
  129. 128ChiguayanteBiobio, Chile
    851.8×
  130. 130SarajevoFederation of B&H, Bosnia and Herzegovina
    851.8×
  131. 130ValdostaGeorgia, United States
    851.8×
  132. 132WrocławLower Silesia, Poland
    841.8×
  133. 133Tin Shui WaiYuen Long, Hong Kong
    841.8×
  134. 134Puente AltoSantiago Metropolitan, Chile
    841.8×
  135. 135KroměřížZlín, Czechia
    841.8×
  136. 136Vientianelow-cost sensorsVientiane Prefecture, Laos
    831.7×
  137. 136Zielona GóraLubusz, Poland
    831.7×
  138. 138Vranov nad TopľouPrešov Region, Slovakia
    821.7×
  139. 139Gimpo-siGyeonggi-do, South Korea
    821.7×
  140. 140PécsBaranya, Hungary
    821.7×
  141. 140BrnoSouth Moravian, Czechia
    821.7×
  142. 142KlosterneuburgLower Austria, Austria
    811.7×
  143. 143ViennaVienna, Austria
    811.7×
  144. 143RužomberokŽilina Region, Slovakia
    811.7×
  145. 145KłodzkoLower Silesia, Poland
    811.7×
  146. 146IksanJeollabuk-do, South Korea
    811.7×
  147. 147TeltowBrandenburg, Germany
    801.7×
  148. 148Bang NaBangkok, Thailand
    801.6×
  149. 148PerchtoldsdorfLower Austria, Austria
    801.6×
  150. 148ZvolenBanská Bystrica Region, Slovakia
    801.6×
  151. 148QuinteroValparaiso, Chile
    801.6×
  152. 152CraiovaDolj, Romania
    791.6×
  153. 152HumennéPrešov Region, Slovakia
    791.6×
  154. 154Jurupa ValleyCalifornia, United States
    791.6×
  155. 155CalexicoCalifornia, United States
    791.6×
  156. 156TřinecMoravian-Silesian Region, Czechia
    791.6×
  157. 157HualquiBiobio, Chile
    791.6×
  158. 158Tai PoTai Po, Hong Kong
    781.6×
  159. 158GrazStyria, Austria
    781.6×
  160. 158NogalesSonora, Mexico
    781.6×
  161. 161SereďTrnava Region, Slovakia
    781.6×
  162. 161MartinŽilina Region, Slovakia
    781.6×
  163. 161ZlínZlín, Czechia
    781.6×
  164. 164ŽideniceSouth Moravian, Czechia
    781.6×
  165. 165Chiayi CityTaiwan, Taiwan
    781.6×
  166. 165NitraNitra Region, Slovakia
    781.6×
  167. 167SantiagoSantiago Metropolitan, Chile
    781.6×
  168. 167QuillotaValparaiso, Chile
    781.6×
  169. 169San CarlosÑuble, Chile
    771.5×
  170. 170JarosławSubcarpathia, Poland
    771.5×
  171. 170RixensartWallonia, Belgium
    771.5×
  172. 170FresnoCalifornia, United States
    771.5×
  173. 170ShikokuchūōEhime, Japan
    771.5×
  174. 174BelgradeCentral Serbia, Serbia
    771.5×
  175. 174ToméBiobio, Chile
    771.5×
  176. 176LiepājaLiepaja, Latvia
    771.5×
  177. 176Jelenia GóraLower Silesia, Poland
    771.5×
  178. 176McAlesterOklahoma, United States
    771.5×
  179. 179MödlingLower Austria, Austria
    771.5×
  180. 180YangonYangon, Myanmar
    761.5×
  181. 181Puerto VarasLos Lagos Region, Chile
    761.5×
  182. 182TrnavaTrnava Region, Slovakia
    761.5×
  183. 183Nong KhaemBangkok, Thailand
    761.5×
  184. 183BerlinState of Berlin, Germany
    761.5×
  185. 183HanfordCalifornia, United States
    761.5×
  186. 183Hawthornelow-cost sensorsCalifornia, United States
    761.5×
  187. 187PubalGyeonggi-do, South Korea
    751.5×
  188. 188SremčicaCentral Serbia, Serbia
    751.5×
  189. 188ZhushanTaiwan, Taiwan
    751.5×
  190. 188EsztergomKomárom-Esztergom, Hungary
    751.5×
  191. 191PančevoVojvodina, Serbia
    751.5×
  192. 191Ban Samae DamBangkok, Thailand
    751.5×
  193. 191TrenčínTrenčín Region, Slovakia
    751.5×
  194. 194TangjinChungcheongnam-do, South Korea
    751.5×
  195. 194NogalesArizona, United States
    751.5×
  196. 196NeubrandenburgMecklenburg-Vorpommern, Germany
    751.5×
  197. 197Samut SakhonSamut Sakhon, Thailand
    741.4×
  198. 197YeojuGyeonggi-do, South Korea
    741.4×
  199. 199KigaliKigali, Rwanda
    741.4×
  200. 199Istanbullow-cost sensorsIstanbul, Turkey
    741.4×

Top 200 of 2,260 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 27, 2024, smogrank.com/history/2024-10-27 (accessed 3 Oct 2026).

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