SmogRank / History / October 24, 2024

Most polluted cities on October 24, 2024

2,263 cities ranked by their average PM2.5 over the day; the worst was Delhi, India, at 130.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during October 24, 2024. All episodes.

← Delhi 130.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for October 24, 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. 1DelhiDelhi, India
    2058.7×
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    1927.6×
  3. 3HyderabadTelangana, India
    1796.4×
  4. 4NegotinCentral Serbia, Serbia
    1776.1×
  5. 5Banja LukaSrpska, Bosnia and Herzegovina
    1745.9×
  6. 6Kampalalow-cost sensorsCentral Region, Uganda
    1685.3×
  7. 7N'DjamenaN’Djaména, Chad
    1634.9×
  8. 8Islamabadlow-cost sensorsIslamabad, Pakistan
    1604.6×
  9. 9TravnikFederation of B&H, Bosnia and Herzegovina
    1594.5×
  10. 10Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1574.3×
  11. 11BeijingBeijing, China
    1544.0×
  12. 12MumbaiMaharashtra, India
    1544.0×
  13. 12SalorTashkent Region, Uzbekistan
    1544.0×
  14. 14Karachilow-cost sensorsSindh, Pakistan
    1533.9×
  15. 15LazarevacCentral Serbia, Serbia
    1523.8×
  16. 16ValjevoCentral Serbia, Serbia
    1503.7×
  17. 17KraljevoCentral Serbia, Serbia
    1463.6×
  18. 18HanoiHanoi, Vietnam
    1463.6×
  19. 19Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1443.5×
  20. 20ObrenovacCentral Serbia, Serbia
    1423.5×
  21. 21UžiceCentral Serbia, Serbia
    1413.5×
  22. 22Novi PazarCentral Serbia, Serbia
    1413.4×
  23. 23ChennaiTamil Nadu, India
    1373.3×
  24. 24ČačakCentral Serbia, Serbia
    1343.3×
  25. 25RacibórzSilesia, Poland
    1333.2×
  26. 26DushanbeDushanbe, Tajikistan
    1283.1×
  27. 27ZgierzŁódź Voivodeship, Poland
    1253.0×
  28. 28StarachowiceŚwiętokrzyskie, Poland
    1243.0×
  29. 29NiskoSubcarpathia, Poland
    1243.0×
  30. 30SmederevoCentral Serbia, Serbia
    1233.0×
  31. 31KragujevacCentral Serbia, Serbia
    1202.9×
  32. 32ZemunCentral Serbia, Serbia
    1192.9×
  33. 33DziałdowoWarmia-Masuria, Poland
    1192.9×
  34. 34ZamośćLublin, Poland
    1172.8×
  35. 35SarajevoFederation of B&H, Bosnia and Herzegovina
    1172.8×
  36. 36HualpénBiobio, Chile
    1152.7×
  37. 37KielceŚwiętokrzyskie, Poland
    1122.7×
  38. 38NišCentral Serbia, Serbia
    1112.6×
  39. 39BihaćFederation of B&H, Bosnia and Herzegovina
    1102.6×
  40. 40FutogVojvodina, Serbia
    1082.6×
  41. 41LublinLublin, Poland
    1072.5×
  42. 42OpoleOpole Voivodeship, Poland
    1072.5×
  43. 43Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1052.5×
  44. 44Samut SakhonSamut Sakhon, Thailand
    1042.4×
  45. 45JarosławSubcarpathia, Poland
    1032.4×
  46. 46WłocławekKujawsko-Pomorskie, Poland
    1022.4×
  47. 47Kathmandulow-cost sensorsBagmati Province, Nepal
    1022.4×
  48. 48NacimientoBiobio, Chile
    1022.4×
  49. 49Novi SadVojvodina, Serbia
    1022.4×
  50. 49CalexicoCalifornia, United States
    1022.4×
  51. 51KaliszGreater Poland, Poland
    1012.4×
  52. 52BelgradeCentral Serbia, Serbia
    1012.4×
  53. 53KutnoŁódź Voivodeship, Poland
    1012.4×
  54. 54ŁaskŁódź Voivodeship, Poland
    1002.3×
  55. 55CodleaBrașov County, Romania
    992.3×
  56. 56RzeszówSubcarpathia, Poland
    992.3×
  57. 56DębicaSubcarpathia, Poland
    992.3×
  58. 58PančevoVojvodina, Serbia
    982.3×
  59. 59WawerMazovia, Poland
    972.3×
  60. 59KłodzkoLower Silesia, Poland
    972.3×
  61. 61OtwockMazovia, Poland
    962.2×
  62. 62BirminghamAlabama, United States
    962.2×
  63. 63Jastrzębie ZdrójSilesia, Poland
    952.2×
  64. 64Nong KhaemBangkok, Thailand
    952.2×
  65. 65BaghdadBaghdad, Iraq
    952.2×
  66. 66Ban Samae DamBangkok, Thailand
    942.1×
  67. 67CairoCairo, Egypt
    942.1×
  68. 68ŻyrardówMazovia, Poland
    932.1×
  69. 69PirotCentral Serbia, Serbia
    922.1×
  70. 70Jurong WestSingapore
    922.1×
  71. 70Asunciónlow-cost sensorsAsuncion, Paraguay
    922.1×
  72. 72SremčicaCentral Serbia, Serbia
    912.0×
  73. 73RadomMazovia, Poland
    912.0×
  74. 74Santa Anita - Los FicusLima region, Peru
    902.0×
  75. 75Cluj-NapocaCluj County, Romania
    902.0×
  76. 76Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    892.0×
  77. 77Bielsko-BialaSilesia, Poland
    892.0×
  78. 78ŁódźŁódź Voivodeship, Poland
    892.0×
  79. 79JakartaJakarta, Indonesia
    881.9×
  80. 79RadomskoŁódź Voivodeship, Poland
    881.9×
  81. 79KościerzynaPomerania, Poland
    881.9×
  82. 82ŻywiecSilesia, Poland
    881.9×
  83. 83Ang Mo Kio New TownSingapore
    881.9×
  84. 83Czechowice-DziedziceSilesia, Poland
    881.9×
  85. 85KościanGreater Poland, Poland
    881.9×
  86. 86PoznańGreater Poland, Poland
    871.9×
  87. 87GyőrGyőr-Moson-Sopron, Hungary
    861.9×
  88. 88Bang NaBangkok, Thailand
    861.9×
  89. 89KigaliKigali, Rwanda
    861.9×
  90. 89KrosnoSubcarpathia, Poland
    861.9×
  91. 91ĆuprijaCentral Serbia, Serbia
    851.8×
  92. 92PrzemyślSubcarpathia, Poland
    851.8×
  93. 93Little RockArkansas, United States
    851.8×
  94. 94KrakówLesser Poland, Poland
    851.8×
  95. 95PruszkówMazovia, Poland
    841.8×
  96. 95Vientianelow-cost sensorsVientiane Prefecture, Laos
    841.8×
  97. 97KatowiceSilesia, Poland
    841.8×
  98. 98Konstancin-JeziornaMazovia, Poland
    841.8×
  99. 99PubalGyeonggi-do, South Korea
    831.7×
  100. 99Jacobo HunterArequipa, Peru
    831.7×
  101. 101AugustówPodlasie, Poland
    821.7×
  102. 102BangkokBangkok, Thailand
    821.7×
  103. 102ToméBiobio, Chile
    821.7×
  104. 102Villa Poeta José Gálvez BarrenecheaLima region, Peru
    821.7×
  105. 105ŁukówLublin, Poland
    811.7×
  106. 105Kędzierzyn-KoźleOpole Voivodeship, Poland
    811.7×
  107. 107IaşiIași County, Romania
    811.7×
  108. 107HernandoMississippi, United States
    811.7×
  109. 109WarsawMazovia, Poland
    811.7×
  110. 109TarnówLesser Poland, Poland
    811.7×
  111. 111Nakhon PathomNakhon Pathom, Thailand
    801.7×
  112. 112CuranilahueBiobio, Chile
    801.6×
  113. 113Tuen MunTuen Mun, Hong Kong
    801.6×
  114. 113BessemerAlabama, United States
    801.6×
  115. 113Khlong Sam WaBangkok, Thailand
    801.6×
  116. 116Şabāḩ as SālimMubārak al Kabīr, Kuwait
    791.6×
  117. 117RuseRuse, Bulgaria
    791.6×
  118. 118TalcahuanoBiobio, Chile
    791.6×
  119. 118Puente AltoSantiago Metropolitan, Chile
    791.6×
  120. 120BartlettTennessee, United States
    781.6×
  121. 121MonsWallonia, Belgium
    781.6×
  122. 122HueytownAlabama, United States
    771.6×
  123. 123Wan ChaiWan Chai, Hong Kong
    771.5×
  124. 124NishioAichi, Japan
    771.5×
  125. 124AntofagastaAntofagasta, Chile
    771.5×
  126. 126Bitterfeld-WolfenSaxony-Anhalt, Germany
    771.5×
  127. 126CoronelBiobio, Chile
    771.5×
  128. 126MonterreyNuevo León, Mexico
    771.5×
  129. 129ŚwiecieKujawsko-Pomorskie, Poland
    771.5×
  130. 129VisaliaCalifornia, United States
    771.5×
  131. 131PřerovOlomouc Region, Czechia
    771.5×
  132. 132ChiguayanteBiobio, Chile
    761.5×
  133. 133OlomoucOlomouc Region, Czechia
    761.5×
  134. 134AshgabatAshgabat, Turkmenistan
    761.5×
  135. 134JasłoSubcarpathia, Poland
    761.5×
  136. 136LegionowoMazovia, Poland
    751.5×
  137. 136GuangzhouGuangdong, China
    751.5×
  138. 138Mueang NonthaburiNonthaburi, Thailand
    751.5×
  139. 138San ClementeIca, Peru
    751.5×
  140. 140West MemphisArkansas, United States
    751.5×
  141. 141HualquiBiobio, Chile
    751.5×
  142. 142PassauBavaria, Germany
    751.5×
  143. 142BydgoszczKujawsko-Pomorskie, Poland
    751.5×
  144. 142JacksonMississippi, United States
    751.5×
  145. 145San Pedro de la PazBiobio, Chile
    741.4×
  146. 146Hawthornelow-cost sensorsCalifornia, United States
    741.4×
  147. 147Phra PradaengSamut Prakan, Thailand
    741.4×
  148. 147CuricóMaule Region, Chile
    741.4×
  149. 149SeonghwanChungcheongnam-do, South Korea
    741.4×
  150. 150Botevgradlow-cost sensorsSofia, Bulgaria
    741.4×
  151. 150Sai MaiBangkok, Thailand
    741.4×
  152. 152Queenstown Estatelow-cost sensorsSingapore
    741.4×
  153. 152WrocławLower Silesia, Poland
    741.4×
  154. 152CopiapóAtacama, Chile
    741.4×
  155. 155Istanbullow-cost sensorsIstanbul, Turkey
    731.4×
  156. 156PristinaPristina, Kosovo
    731.4×
  157. 156KomárnoNitra Region, Slovakia
    731.4×
  158. 156RancaguaO'Higgins Region, Chile
    731.4×
  159. 159AntananarivoAnalamanga, Madagascar
    731.4×
  160. 159Samut PrakanSamut Prakan, Thailand
    731.4×
  161. 159Khlong LuangPathum Thani, Thailand
    731.4×
  162. 159WoodlandsSingapore
    731.4×
  163. 159OurenseGalicia, Spain
    731.4×
  164. 159AricaArica y Parinacota Region, Chile
    731.4×
  165. 165ElblągWarmia-Masuria, Poland
    731.4×
  166. 166Bang Bo DistrictSamut Prakan, Thailand
    721.4×
  167. 166Tin Shui WaiYuen Long, Hong Kong
    721.4×
  168. 168Kuala LumpurKuala Lumpur, Malaysia
    721.4×
  169. 168VillarricaAraucania, Chile
    721.4×
  170. 168TocopillaAntofagasta, Chile
    721.4×
  171. 168Wake Forestlow-cost sensorsNorth Carolina, United States
    721.4×
  172. 172Los AngelesCalifornia, United States
    721.4×
  173. 173BucharestBucharest, Romania
    721.3×
  174. 173VeszprémVeszprém, Hungary
    721.3×
  175. 173Jelenia GóraLower Silesia, Poland
    721.3×
  176. 176SkellefteåVästerbotten, Sweden
    711.3×
  177. 176RengoO'Higgins Region, Chile
    711.3×
  178. 178Puerto VarasLos Lagos Region, Chile
    711.3×
  179. 178NogalesSonora, Mexico
    711.3×
  180. 178San Francisco De BorjaLima region, Peru
    711.3×
  181. 181FanlingNorth District, Hong Kong
    711.3×
  182. 181MühlhausenThuringia, Germany
    711.3×
  183. 181SantiagoSantiago Metropolitan, Chile
    711.3×
  184. 184BakuBaki, Azerbaijan
    701.3×
  185. 185Inglewoodlow-cost sensorsCalifornia, United States
    701.3×
  186. 186KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    701.3×
  187. 186AugustaGeorgia, United States
    701.3×
  188. 188PúchovTrenčín Region, Slovakia
    701.3×
  189. 188ConcepciónBiobio, Chile
    701.3×
  190. 188Jurupa ValleyCalifornia, United States
    701.3×
  191. 191Hwaseong-siGyeonggi-do, South Korea
    701.3×
  192. 192OlsztynWarmia-Masuria, Poland
    691.3×
  193. 193PłockMazovia, Poland
    691.3×
  194. 194SzczecinWest Pomerania, Poland
    691.2×
  195. 194ConcónValparaiso, Chile
    691.2×
  196. 194ValdostaGeorgia, United States
    691.2×
  197. 197Ban Khlong PrawetBangkok, Thailand
    691.2×
  198. 197San Tung Chung HangIslands, Hong Kong
    691.2×
  199. 197YesanChungcheongnam-do, South Korea
    691.2×
  200. 197QuinteroValparaiso, Chile
    691.2×

Top 200 of 2,263 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 24, 2024, smogrank.com/history/2024-10-24 (accessed 3 Oct 2026).

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