SmogRank / History / October 26, 2024

Most polluted cities on October 26, 2024

2,275 cities ranked by their average PM2.5 over the day; the worst was Beijing, China, at 206.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during October 26, 2024. All episodes.

← Beijing 206.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for October 26, 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. 1BeijingBeijing, China
    28113.7×
  2. 2Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    24211.1×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    22810.2×
  4. 4DelhiDelhi, India
    2129.1×
  5. 5Kampalalow-cost sensorsCentral Region, Uganda
    1907.4×
  6. 6NegotinCentral Serbia, Serbia
    1826.7×
  7. 7Banja LukaSrpska, Bosnia and Herzegovina
    1675.2×
  8. 8KraljevoCentral Serbia, Serbia
    1594.4×
  9. 9MumbaiMaharashtra, India
    1584.4×
  10. 10KielceŚwiętokrzyskie, Poland
    1574.2×
  11. 11LublinLublin, Poland
    1564.2×
  12. 12Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1554.1×
  13. 13DziałdowoWarmia-Masuria, Poland
    1554.1×
  14. 14HyderabadTelangana, India
    1554.0×
  15. 15Dhakalow-cost sensorsDhaka Division, Bangladesh
    1544.0×
  16. 16HanoiHanoi, Vietnam
    1533.9×
  17. 17KościanGreater Poland, Poland
    1533.9×
  18. 18WłocławekKujawsko-Pomorskie, Poland
    1513.7×
  19. 19ValjevoCentral Serbia, Serbia
    1513.7×
  20. 19UžiceCentral Serbia, Serbia
    1513.7×
  21. 21OtwockMazovia, Poland
    1513.7×
  22. 22NacimientoBiobio, Chile
    1483.6×
  23. 23Czechowice-DziedziceSilesia, Poland
    1463.6×
  24. 24Novi PazarCentral Serbia, Serbia
    1443.5×
  25. 25PułtuskMazovia, Poland
    1443.5×
  26. 26Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    1433.5×
  27. 27CairoCairo, Egypt
    1423.5×
  28. 28N'DjamenaN’Djaména, Chad
    1403.4×
  29. 29StarachowiceŚwiętokrzyskie, Poland
    1403.4×
  30. 30KościerzynaPomerania, Poland
    1393.4×
  31. 31RacibórzSilesia, Poland
    1383.4×
  32. 32ElblągWarmia-Masuria, Poland
    1343.3×
  33. 33AntananarivoAnalamanga, Madagascar
    1323.2×
  34. 34ChennaiTamil Nadu, India
    1313.2×
  35. 35Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1293.1×
  36. 35ZgierzŁódź Voivodeship, Poland
    1293.1×
  37. 37Victoria de DurangoDurango, Mexico
    1283.1×
  38. 38ČačakCentral Serbia, Serbia
    1273.1×
  39. 39BydgoszczKujawsko-Pomorskie, Poland
    1273.1×
  40. 39Bielsko-BialaSilesia, Poland
    1273.1×
  41. 41Jastrzębie ZdrójSilesia, Poland
    1273.1×
  42. 42LegionowoMazovia, Poland
    1253.0×
  43. 43Santa Anita - Los FicusLima region, Peru
    1243.0×
  44. 44GrajewoPodlasie, Poland
    1243.0×
  45. 45NišCentral Serbia, Serbia
    1243.0×
  46. 46LazarevacCentral Serbia, Serbia
    1233.0×
  47. 46SzczecinWest Pomerania, Poland
    1233.0×
  48. 48BaghdadBaghdad, Iraq
    1233.0×
  49. 49OlsztynWarmia-Masuria, Poland
    1222.9×
  50. 50ŻywiecSilesia, Poland
    1212.9×
  51. 51JarosławSubcarpathia, Poland
    1212.9×
  52. 52KutnoŁódź Voivodeship, Poland
    1202.9×
  53. 53NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    1192.9×
  54. 54Islamabadlow-cost sensorsIslamabad, Pakistan
    1182.8×
  55. 55RadomskoŁódź Voivodeship, Poland
    1182.8×
  56. 56ŁukówLublin, Poland
    1172.8×
  57. 57DejCluj County, Romania
    1172.8×
  58. 58KolkataWest Bengal, India
    1162.8×
  59. 58ToruńKujawsko-Pomorskie, Poland
    1162.8×
  60. 60NiskoSubcarpathia, Poland
    1152.8×
  61. 61KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1152.7×
  62. 62GdyniaPomerania, Poland
    1152.7×
  63. 63PrzemyślSubcarpathia, Poland
    1142.7×
  64. 64PoznańGreater Poland, Poland
    1132.7×
  65. 64FutogVojvodina, Serbia
    1132.7×
  66. 66ZamośćLublin, Poland
    1122.7×
  67. 67KragujevacCentral Serbia, Serbia
    1122.7×
  68. 67HavířovMoravian-Silesian Region, Czechia
    1122.7×
  69. 67BytówPomerania, Poland
    1122.7×
  70. 70MielecSubcarpathia, Poland
    1122.7×
  71. 71PłockMazovia, Poland
    1122.7×
  72. 71GdańskPomerania, Poland
    1122.7×
  73. 73KaliszGreater Poland, Poland
    1092.6×
  74. 74Bang NaBangkok, Thailand
    1092.6×
  75. 75ObrenovacCentral Serbia, Serbia
    1082.6×
  76. 76RadomMazovia, Poland
    1082.5×
  77. 77Gorzów WielkopolskiLubusz, Poland
    1072.5×
  78. 78PruszkówMazovia, Poland
    1062.5×
  79. 79CodleaBrașov County, Romania
    1052.5×
  80. 79SmederevoCentral Serbia, Serbia
    1052.5×
  81. 81MiskolcBorsod-Abaúj-Zemplén, Hungary
    1052.5×
  82. 81ŚwiecieKujawsko-Pomorskie, Poland
    1052.5×
  83. 83WarsawMazovia, Poland
    1042.5×
  84. 84KatowiceSilesia, Poland
    1042.4×
  85. 85Wodzisław ŚląskiSilesia, Poland
    1032.4×
  86. 86PirotCentral Serbia, Serbia
    1022.4×
  87. 87ŁaskŁódź Voivodeship, Poland
    1002.4×
  88. 88KrakówLesser Poland, Poland
    1002.4×
  89. 89BucharestBucharest, Romania
    992.3×
  90. 90Quezon Citylow-cost sensorsNational Capital Region, Philippines
    992.3×
  91. 91Jurupa ValleyCalifornia, United States
    992.3×
  92. 92KlaipėdaKlaipėda County, Lithuania
    992.3×
  93. 93ŻyrardówMazovia, Poland
    982.3×
  94. 94ŁódźŁódź Voivodeship, Poland
    982.3×
  95. 95WawerMazovia, Poland
    982.3×
  96. 96PrešovPrešov Region, Slovakia
    972.3×
  97. 96Konstancin-JeziornaMazovia, Poland
    972.3×
  98. 98KošiceKošice Region, Slovakia
    952.2×
  99. 98ZvolenBanská Bystrica Region, Slovakia
    952.2×
  100. 100IaşiIași County, Romania
    952.2×
  101. 101Kathmandulow-cost sensorsBagmati Province, Nepal
    942.2×
  102. 102ZnojmoSouth Moravian, Czechia
    942.2×
  103. 102Zielona GóraLubusz, Poland
    942.2×
  104. 104JakartaJakarta, Indonesia
    942.1×
  105. 105Nong KhaemBangkok, Thailand
    942.1×
  106. 106Vranov nad TopľouPrešov Region, Slovakia
    942.1×
  107. 107SarajevoFederation of B&H, Bosnia and Herzegovina
    932.1×
  108. 108Khlong Sam WaBangkok, Thailand
    932.1×
  109. 109OlomoucOlomouc Region, Czechia
    932.1×
  110. 110BartlettTennessee, United States
    932.1×
  111. 111LimaLima Province, Peru
    922.1×
  112. 112Jelenia GóraLower Silesia, Poland
    922.1×
  113. 113Cluj-NapocaCluj County, Romania
    912.0×
  114. 114Mladá BoleslavCentral Bohemia, Czechia
    912.0×
  115. 114CieszynSilesia, Poland
    912.0×
  116. 116ManamaManama, Bahrain
    902.0×
  117. 116KołobrzegWest Pomerania, Poland
    902.0×
  118. 118ZemunCentral Serbia, Serbia
    902.0×
  119. 118LučenecBanská Bystrica Region, Slovakia
    902.0×
  120. 120TrebišovKošice Region, Slovakia
    892.0×
  121. 120Frýdek-MístekMoravian-Silesian Region, Czechia
    892.0×
  122. 120VisaliaCalifornia, United States
    892.0×
  123. 123GuangzhouGuangdong, China
    892.0×
  124. 124DębicaSubcarpathia, Poland
    892.0×
  125. 125Ban Samae DamBangkok, Thailand
    892.0×
  126. 125Kędzierzyn-KoźleOpole Voivodeship, Poland
    892.0×
  127. 127Phra PradaengSamut Prakan, Thailand
    892.0×
  128. 128PúchovTrenčín Region, Slovakia
    881.9×
  129. 129Samut SakhonSamut Sakhon, Thailand
    881.9×
  130. 130ĆuprijaCentral Serbia, Serbia
    881.9×
  131. 130BirminghamAlabama, United States
    881.9×
  132. 132BerlinState of Berlin, Germany
    881.9×
  133. 133ChiguayanteBiobio, Chile
    881.9×
  134. 134Khlong LuangPathum Thani, Thailand
    871.9×
  135. 135Lat KrabangBangkok, Thailand
    871.9×
  136. 136TeltowBrandenburg, Germany
    871.9×
  137. 137PezinokBratislava Region, Slovakia
    861.9×
  138. 137Puente AltoSantiago Metropolitan, Chile
    861.9×
  139. 139KigaliKigali, Rwanda
    861.9×
  140. 140MartinŽilina Region, Slovakia
    861.8×
  141. 140Valašské MeziříčíZlín, Czechia
    861.8×
  142. 140Hradec KrálovéHradec Králové Region, Czechia
    861.8×
  143. 140ŻaryLubusz, Poland
    861.8×
  144. 144DushanbeDushanbe, Tajikistan
    851.8×
  145. 144ČadcaŽilina Region, Slovakia
    851.8×
  146. 144Novi SadVojvodina, Serbia
    851.8×
  147. 144HernandoMississippi, United States
    851.8×
  148. 148VeszprémVeszprém, Hungary
    851.8×
  149. 148NogalesSonora, Mexico
    851.8×
  150. 150PraguePrague, Czechia
    851.8×
  151. 151Wan ChaiWan Chai, Hong Kong
    851.8×
  152. 151Puerto VarasLos Lagos Region, Chile
    851.8×
  153. 153BardejovPrešov Region, Slovakia
    841.8×
  154. 154Khan Na YaoBangkok, Thailand
    841.8×
  155. 154Sai MaiBangkok, Thailand
    841.8×
  156. 156BangkokBangkok, Thailand
    831.8×
  157. 156Strzelce OpolskieOpole Voivodeship, Poland
    831.8×
  158. 156AugustaGeorgia, United States
    831.8×
  159. 159Tuen MunTuen Mun, Hong Kong
    831.8×
  160. 160EłkWarmia-Masuria, Poland
    831.8×
  161. 160Nong ChokBangkok, Thailand
    831.8×
  162. 160Bang KapiBangkok, Thailand
    831.8×
  163. 160Bang Bo DistrictSamut Prakan, Thailand
    831.8×
  164. 164AugustówPodlasie, Poland
    821.7×
  165. 165BrnoSouth Moravian, Czechia
    821.7×
  166. 166Bueng KumBangkok, Thailand
    821.7×
  167. 167Samut PrakanSamut Prakan, Thailand
    821.7×
  168. 168Nakhon PathomNakhon Pathom, Thailand
    811.7×
  169. 169StralsundMecklenburg-Vorpommern, Germany
    811.7×
  170. 169NeubrandenburgMecklenburg-Vorpommern, Germany
    811.7×
  171. 169ValdostaGeorgia, United States
    811.7×
  172. 172San CarlosÑuble, Chile
    811.7×
  173. 172QuinteroValparaiso, Chile
    811.7×
  174. 174Imperial BeachCalifornia, United States
    811.7×
  175. 174RiversideCalifornia, United States
    811.7×
  176. 176ŽideniceSouth Moravian, Czechia
    801.7×
  177. 177Ústí nad LabemÚstí nad Labem Region, Czechia
    801.7×
  178. 178KladnoCentral Bohemia, Czechia
    801.6×
  179. 179Tin Shui WaiYuen Long, Hong Kong
    801.6×
  180. 179ColumbusGeorgia, United States
    801.6×
  181. 181Ban Khlong PrawetBangkok, Thailand
    791.6×
  182. 182BelgradeCentral Serbia, Serbia
    791.6×
  183. 182RužomberokŽilina Region, Slovakia
    791.6×
  184. 182WittenbergSaxony-Anhalt, Germany
    791.6×
  185. 185HumennéPrešov Region, Slovakia
    791.6×
  186. 185ŽilinaŽilina Region, Slovakia
    791.6×
  187. 187WrocławLower Silesia, Poland
    791.6×
  188. 187NogalesArizona, United States
    791.6×
  189. 187Lak SiBangkok, Thailand
    791.6×
  190. 190BogatyniaLower Silesia, Poland
    781.6×
  191. 190VillarricaAraucania, Chile
    781.6×
  192. 192Bernau bei BerlinBrandenburg, Germany
    781.6×
  193. 192La UniónLos Ríos Region, Chile
    781.6×
  194. 194Ulan BatorUlaanbaatar, Mongolia
    781.6×
  195. 194KłodzkoLower Silesia, Poland
    781.6×
  196. 194ToméBiobio, Chile
    781.6×
  197. 197FanlingNorth District, Hong Kong
    781.6×
  198. 198LiberecLiberec Region, Czechia
    771.6×
  199. 199Şabāḩ as SālimMubārak al Kabīr, Kuwait
    771.5×
  200. 199Mueang NonthaburiNonthaburi, Thailand
    771.5×

Top 200 of 2,275 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 26, 2024, smogrank.com/history/2024-10-26 (accessed 3 Oct 2026).

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