SmogRank / History / October 22, 2024

Most polluted cities on October 22, 2024

1,748 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 266.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during October 22, 2024. All episodes.

← Lahore 266.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for October 22, 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
    38217.7×
  2. 2Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    2149.3×
  3. 3DelhiDelhi, India
    2119.1×
  4. 4NegotinCentral Serbia, Serbia
    1816.6×
  5. 5Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1735.8×
  6. 6Islamabadlow-cost sensorsIslamabad, Pakistan
    1695.4×
  7. 7Kampalalow-cost sensorsCentral Region, Uganda
    1665.1×
  8. 8N'DjamenaN’Djaména, Chad
    1645.0×
  9. 9Dhakalow-cost sensorsDhaka Division, Bangladesh
    1644.9×
  10. 10KolkataWest Bengal, India
    1624.8×
  11. 11Banja LukaSrpska, Bosnia and Herzegovina
    1594.4×
  12. 12SmederevoCentral Serbia, Serbia
    1533.9×
  13. 12LazarevacCentral Serbia, Serbia
    1533.9×
  14. 14DushanbeDushanbe, Tajikistan
    1513.7×
  15. 15KraljevoCentral Serbia, Serbia
    1393.4×
  16. 16Novi PazarCentral Serbia, Serbia
    1363.3×
  17. 17HanoiHanoi, Vietnam
    1313.2×
  18. 18ČačakCentral Serbia, Serbia
    1313.2×
  19. 19ObrenovacCentral Serbia, Serbia
    1293.1×
  20. 20UžiceCentral Serbia, Serbia
    1263.0×
  21. 21ZemunCentral Serbia, Serbia
    1243.0×
  22. 22KielceŚwiętokrzyskie, Poland
    1222.9×
  23. 23CairoCairo, Egypt
    1202.9×
  24. 24SalorTashkent Region, Uzbekistan
    1192.9×
  25. 25NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    1182.8×
  26. 25Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    1182.8×
  27. 27Karachilow-cost sensorsSindh, Pakistan
    1182.8×
  28. 28JakartaJakarta, Indonesia
    1152.7×
  29. 29KragujevacCentral Serbia, Serbia
    1122.7×
  30. 30Kathmandulow-cost sensorsBagmati Province, Nepal
    1102.6×
  31. 31NišCentral Serbia, Serbia
    1052.5×
  32. 32ValjevoCentral Serbia, Serbia
    1042.5×
  33. 33Czechowice-DziedziceSilesia, Poland
    1032.4×
  34. 34PirotCentral Serbia, Serbia
    1022.4×
  35. 35AugustówPodlasie, Poland
    1022.4×
  36. 36SarajevoFederation of B&H, Bosnia and Herzegovina
    1012.4×
  37. 37Novi SadVojvodina, Serbia
    1012.4×
  38. 38Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1002.4×
  39. 39GrajewoPodlasie, Poland
    982.3×
  40. 40Bang NaBangkok, Thailand
    972.3×
  41. 41Quezon Citylow-cost sensorsNational Capital Region, Philippines
    972.2×
  42. 41FutogVojvodina, Serbia
    972.2×
  43. 43KrakówLesser Poland, Poland
    972.2×
  44. 44ShanghaiShanghai, China
    962.2×
  45. 45BelgradeCentral Serbia, Serbia
    962.2×
  46. 46MumbaiMaharashtra, India
    962.2×
  47. 47NiskoSubcarpathia, Poland
    942.2×
  48. 48ŁukówLublin, Poland
    932.1×
  49. 49OtwockMazovia, Poland
    932.1×
  50. 50Şabāḩ as SālimMubārak al Kabīr, Kuwait
    932.1×
  51. 51StarachowiceŚwiętokrzyskie, Poland
    902.0×
  52. 52PančevoVojvodina, Serbia
    892.0×
  53. 53KigaliKigali, Rwanda
    881.9×
  54. 54MiskolcBorsod-Abaúj-Zemplén, Hungary
    871.9×
  55. 55WarsawMazovia, Poland
    861.9×
  56. 56Bielsko-BialaSilesia, Poland
    861.9×
  57. 57DziałdowoWarmia-Masuria, Poland
    851.8×
  58. 57CoronelBiobio, Chile
    851.8×
  59. 59BaghdadBaghdad, Iraq
    851.8×
  60. 60ĆuprijaCentral Serbia, Serbia
    851.8×
  61. 60Almatylow-cost sensorsAlmaty, Kazakhstan
    851.8×
  62. 62FengshanTakao, Taiwan
    841.8×
  63. 63Jacobo HunterArequipa, Peru
    841.8×
  64. 64WłocławekKujawsko-Pomorskie, Poland
    821.7×
  65. 64Khlong Sam WaBangkok, Thailand
    821.7×
  66. 66ChaozhouTaiwan, Taiwan
    821.7×
  67. 66Toms RiverNew Jersey, United States
    821.7×
  68. 68HualpénBiobio, Chile
    821.7×
  69. 69Puerto VarasLos Lagos Region, Chile
    821.7×
  70. 70PruszkówMazovia, Poland
    811.7×
  71. 70Konstancin-JeziornaMazovia, Poland
    811.7×
  72. 70ElblągWarmia-Masuria, Poland
    811.7×
  73. 73Saphan SungBangkok, Thailand
    811.7×
  74. 74ColumbusGeorgia, United States
    811.7×
  75. 75ZgierzŁódź Voivodeship, Poland
    811.7×
  76. 76ManamaManama, Bahrain
    811.7×
  77. 77LegionowoMazovia, Poland
    801.7×
  78. 77KatowiceSilesia, Poland
    801.7×
  79. 79OlsztynWarmia-Masuria, Poland
    801.6×
  80. 80Ban Samae DamBangkok, Thailand
    801.6×
  81. 81Nong KhaemBangkok, Thailand
    791.6×
  82. 82ToméBiobio, Chile
    791.6×
  83. 83WawerMazovia, Poland
    781.6×
  84. 83SremčicaCentral Serbia, Serbia
    781.6×
  85. 83BirminghamAlabama, United States
    781.6×
  86. 86LublinLublin, Poland
    781.6×
  87. 86BiałystokPodlasie, Poland
    781.6×
  88. 86RacibórzSilesia, Poland
    781.6×
  89. 86Nepeanlow-cost sensorsOntario, Canada
    781.6×
  90. 90PułtuskMazovia, Poland
    781.6×
  91. 90BydgoszczKujawsko-Pomorskie, Poland
    781.6×
  92. 92Wan ChaiWan Chai, Hong Kong
    781.6×
  93. 93Santa Anita - Los FicusLima region, Peru
    771.6×
  94. 94PécsBaranya, Hungary
    771.5×
  95. 95RadomMazovia, Poland
    771.5×
  96. 95EłkWarmia-Masuria, Poland
    771.5×
  97. 95CuranilahueBiobio, Chile
    771.5×
  98. 98OpoleOpole Voivodeship, Poland
    771.5×
  99. 99ChiguayanteBiobio, Chile
    761.5×
  100. 100Khan Na YaoBangkok, Thailand
    761.5×
  101. 101Bueng KumBangkok, Thailand
    761.5×
  102. 102Bang KapiBangkok, Thailand
    751.5×
  103. 102KłodzkoLower Silesia, Poland
    751.5×
  104. 104Jastrzębie ZdrójSilesia, Poland
    751.5×
  105. 105BogotáBogota D.C., Colombia
    751.5×
  106. 105TocopillaAntofagasta, Chile
    751.5×
  107. 105Lat KrabangBangkok, Thailand
    751.5×
  108. 108JarosławSubcarpathia, Poland
    751.5×
  109. 109AntananarivoAnalamanga, Madagascar
    741.4×
  110. 109Little RockArkansas, United States
    741.4×
  111. 111PoznańGreater Poland, Poland
    741.4×
  112. 112UkiahCalifornia, United States
    741.4×
  113. 112BarrieOntario, Canada
    741.4×
  114. 114West MifflinPennsylvania, United States
    741.4×
  115. 115KutnoŁódź Voivodeship, Poland
    741.4×
  116. 116HyderabadTelangana, India
    731.4×
  117. 116BeijingBeijing, China
    731.4×
  118. 116Jurong WestSingapore
    731.4×
  119. 119Ang Mo Kio New TownSingapore
    731.4×
  120. 119ColumbusOhio, United States
    731.4×
  121. 121ŻywiecSilesia, Poland
    731.4×
  122. 121ŁódźŁódź Voivodeship, Poland
    731.4×
  123. 123KaliszGreater Poland, Poland
    731.4×
  124. 124Istanbullow-cost sensorsIstanbul, Turkey
    721.4×
  125. 124Chiayi CityTaiwan, Taiwan
    721.4×
  126. 124SantiagoSantiago Metropolitan, Chile
    721.4×
  127. 124Puente AltoSantiago Metropolitan, Chile
    721.4×
  128. 128Imperial BeachCalifornia, United States
    721.4×
  129. 129VillarricaAraucania, Chile
    721.4×
  130. 130ChocopeLa Libertad, Peru
    721.4×
  131. 130Sai MaiBangkok, Thailand
    721.4×
  132. 132TalcahuanoBiobio, Chile
    711.3×
  133. 133Ban Khlong PrawetBangkok, Thailand
    711.3×
  134. 134PrzemyślSubcarpathia, Poland
    711.3×
  135. 134KaohsiungTakao, Taiwan
    711.3×
  136. 134GuangzhouGuangdong, China
    711.3×
  137. 134KościanGreater Poland, Poland
    711.3×
  138. 138ToruńKujawsko-Pomorskie, Poland
    711.3×
  139. 138AricaArica y Parinacota Region, Chile
    711.3×
  140. 138GulfportMississippi, United States
    711.3×
  141. 141JasłoSubcarpathia, Poland
    711.3×
  142. 142YongkangTaiwan, Taiwan
    701.3×
  143. 142RadomskoŁódź Voivodeship, Poland
    701.3×
  144. 142NacimientoBiobio, Chile
    701.3×
  145. 142LafayetteLouisiana, United States
    701.3×
  146. 146PłockMazovia, Poland
    701.3×
  147. 147BangkokBangkok, Thailand
    701.3×
  148. 147ŁaskŁódź Voivodeship, Poland
    701.3×
  149. 149Kędzierzyn-KoźleOpole Voivodeship, Poland
    691.3×
  150. 149San Pedro de la PazBiobio, Chile
    691.3×
  151. 151PristinaPristina, Kosovo
    691.3×
  152. 151AntofagastaAntofagasta, Chile
    691.3×
  153. 153Kuala LumpurKuala Lumpur, Malaysia
    691.3×
  154. 153TemucoAraucania, Chile
    691.3×
  155. 153Lak SiBangkok, Thailand
    691.3×
  156. 156MaputoMaputo City, Mozambique
    691.2×
  157. 156ŚwiecieKujawsko-Pomorskie, Poland
    691.2×
  158. 156Viña del MarValparaiso, Chile
    691.2×
  159. 159ŻyrardówMazovia, Poland
    691.2×
  160. 159TalaganteSantiago Metropolitan, Chile
    691.2×
  161. 159TorontoOntario, Canada
    691.2×
  162. 162SzegedCsongrád, Hungary
    691.2×
  163. 162XinyingTaiwan, Taiwan
    691.2×
  164. 162BartlettTennessee, United States
    691.2×
  165. 165Addis AbabaAddis Ababa, Ethiopia
    681.2×
  166. 165Jelenia GóraLower Silesia, Poland
    681.2×
  167. 165LotaBiobio, Chile
    681.2×
  168. 168DetroitMichigan, United States
    681.2×
  169. 168RedfordMichigan, United States
    681.2×
  170. 168LancasterPennsylvania, United States
    681.2×
  171. 168Oconomowoclow-cost sensorsWisconsin, United States
    681.2×
  172. 172DouliuTaiwan, Taiwan
    681.2×
  173. 173ZamośćLublin, Poland
    681.2×
  174. 173TainanTaiwan, Taiwan
    681.2×
  175. 175WrocławLower Silesia, Poland
    671.2×
  176. 175New York CityNew York, United States
    671.2×
  177. 175OregonOhio, United States
    671.2×
  178. 178Botevgradlow-cost sensorsSofia, Bulgaria
    671.2×
  179. 179PleasantvilleNew Jersey, United States
    671.2×
  180. 179KalamazooMichigan, United States
    671.2×
  181. 181GdańskPomerania, Poland
    671.2×
  182. 181Lexingtonlow-cost sensorsMassachusetts, United States
    671.2×
  183. 183GdyniaPomerania, Poland
    671.2×
  184. 183CoyhaiqueAysén, Chile
    671.2×
  185. 183CantonOhio, United States
    671.2×
  186. 186RancaguaO'Higgins Region, Chile
    661.2×
  187. 186QuinteroValparaiso, Chile
    661.2×
  188. 186QuillotaValparaiso, Chile
    661.2×
  189. 189NogalesSonora, Mexico
    661.2×
  190. 190Iowa CityIowa, United States
    661.1×
  191. 191Tuen MunTuen Mun, Hong Kong
    661.1×
  192. 192SpringdaleArkansas, United States
    661.1×
  193. 193La UniónLos Ríos Region, Chile
    661.1×
  194. 193Port HuronMichigan, United States
    661.1×
  195. 195ZhushanTaiwan, Taiwan
    651.1×
  196. 195FanlingNorth District, Hong Kong
    651.1×
  197. 195ClintonIowa, United States
    651.1×
  198. 198Tin Shui WaiYuen Long, Hong Kong
    651.1×
  199. 198RochesterMinnesota, United States
    651.1×
  200. 200JinchengFukien, Taiwan
    651.1×

Top 200 of 1,748 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 22, 2024, smogrank.com/history/2024-10-22 (accessed 3 Oct 2026).

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