SmogRank / History / September 19, 2024

Most polluted cities on September 19, 2024

1,730 cities ranked by their average PM2.5 over the day; the worst was Kampala, Uganda, at 122.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during September 19, 2024. All episodes.

← Kampala 122.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for September 19, 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. 1Kampalalow-cost sensorsCentral Region, Uganda
    1988.1×
  2. 2Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1715.6×
  3. 3Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1624.8×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    1604.5×
  5. 5Lahorelow-cost sensorsPunjab, Pakistan
    1574.3×
  6. 6DushanbeDushanbe, Tajikistan
    1554.1×
  7. 7AntananarivoAnalamanga, Madagascar
    1523.8×
  8. 8KolkataWest Bengal, India
    1523.8×
  9. 9LimaLima Province, Peru
    1403.4×
  10. 10CoyhaiqueAysén, Chile
    1393.4×
  11. 11AshgabatAshgabat, Turkmenistan
    1383.4×
  12. 12HyderabadTelangana, India
    1253.0×
  13. 13Asunciónlow-cost sensorsAsuncion, Paraguay
    1202.9×
  14. 14HanoiHanoi, Vietnam
    1182.8×
  15. 15JakartaJakarta, Indonesia
    1132.7×
  16. 16HualpénBiobio, Chile
    1122.7×
  17. 17ChennaiTamil Nadu, India
    1092.6×
  18. 18Santa Anita - Los FicusLima region, Peru
    1072.5×
  19. 19CairoCairo, Egypt
    1072.5×
  20. 20BeijingBeijing, China
    1042.5×
  21. 21NesttunVestland, Norway
    922.1×
  22. 22Bang NaBangkok, Thailand
    902.0×
  23. 23Islamabadlow-cost sensorsIslamabad, Pakistan
    892.0×
  24. 24San Francisco De BorjaLima region, Peru
    881.9×
  25. 25CuranilahueBiobio, Chile
    871.9×
  26. 26RengoO'Higgins Region, Chile
    871.9×
  27. 26Puerto VarasLos Lagos Region, Chile
    871.9×
  28. 28Jacobo HunterArequipa, Peru
    871.9×
  29. 29Puerto AysénAysén, Chile
    861.9×
  30. 30Kathmandulow-cost sensorsBagmati Province, Nepal
    861.8×
  31. 30MaarssenUtrecht, The Netherlands
    861.8×
  32. 30Puerto MonttLos Lagos Region, Chile
    861.8×
  33. 33The HagueSouth Holland, The Netherlands
    851.8×
  34. 34KigaliKigali, Rwanda
    851.8×
  35. 35SantiagoSantiago Metropolitan, Chile
    841.8×
  36. 36LublinLublin, Poland
    841.8×
  37. 37RotterdamSouth Holland, The Netherlands
    831.8×
  38. 38DelhiDelhi, India
    821.7×
  39. 39SzczecinWest Pomerania, Poland
    821.7×
  40. 40BredaNorth Brabant, The Netherlands
    811.7×
  41. 40Gorzów WielkopolskiLubusz, Poland
    811.7×
  42. 42CanterburyEngland, United Kingdom
    811.7×
  43. 43ObrenovacCentral Serbia, Serbia
    811.7×
  44. 44ŁukówLublin, Poland
    801.7×
  45. 45DartfordEngland, United Kingdom
    801.7×
  46. 46Ulu BedokSingapore
    801.6×
  47. 47GroningenGroningen, The Netherlands
    801.6×
  48. 48RancaguaO'Higgins Region, Chile
    801.6×
  49. 48Puente AltoSantiago Metropolitan, Chile
    801.6×
  50. 48La UniónLos Ríos Region, Chile
    801.6×
  51. 51UtrechtUtrecht, The Netherlands
    791.6×
  52. 52OsornoLos Lagos Region, Chile
    791.6×
  53. 53LondonEngland, United Kingdom
    791.6×
  54. 54Zielona GóraLubusz, Poland
    781.6×
  55. 55BarneveldGelderland, The Netherlands
    781.6×
  56. 55AntofagastaAntofagasta, Chile
    781.6×
  57. 57RacibórzSilesia, Poland
    781.6×
  58. 57SarajevoFederation of B&H, Bosnia and Herzegovina
    781.6×
  59. 57QuillotaValparaiso, Chile
    781.6×
  60. 57Villa Poeta José Gálvez BarrenecheaLima region, Peru
    781.6×
  61. 61HillegomSouth Holland, The Netherlands
    771.5×
  62. 61PoznańGreater Poland, Poland
    771.5×
  63. 63Nepeanlow-cost sensorsOntario, Canada
    771.5×
  64. 64MumbaiMaharashtra, India
    771.5×
  65. 64Ang Mo Kio New TownSingapore
    771.5×
  66. 64HeerlenLimburg, The Netherlands
    771.5×
  67. 64ŁaskŁódź Voivodeship, Poland
    771.5×
  68. 68BaghdadBaghdad, Iraq
    771.5×
  69. 68VenrayLimburg, The Netherlands
    771.5×
  70. 70Iloilolow-cost sensorsWestern Visayas, Philippines
    771.5×
  71. 70IJsselsteinUtrecht, The Netherlands
    771.5×
  72. 72NijmegenGelderland, The Netherlands
    761.5×
  73. 73Novi SadVojvodina, Serbia
    761.5×
  74. 74LazarevacCentral Serbia, Serbia
    761.5×
  75. 74Jastrzębie ZdrójSilesia, Poland
    761.5×
  76. 74CallaoCallao, Peru
    761.5×
  77. 77Jurong WestSingapore
    751.5×
  78. 78KatowiceSilesia, Poland
    751.5×
  79. 78TocopillaAntofagasta, Chile
    751.5×
  80. 78Khan Na YaoBangkok, Thailand
    751.5×
  81. 78Khlong Sam WaBangkok, Thailand
    751.5×
  82. 82ValdiviaLos Ríos Region, Chile
    751.5×
  83. 83HualquiBiobio, Chile
    751.5×
  84. 84WłocławekKujawsko-Pomorskie, Poland
    741.4×
  85. 84ToruńKujawsko-Pomorskie, Poland
    741.4×
  86. 86San ClementeIca, Peru
    741.4×
  87. 87ZamośćLublin, Poland
    741.4×
  88. 87Samut SakhonSamut Sakhon, Thailand
    741.4×
  89. 87KaliszGreater Poland, Poland
    741.4×
  90. 87CoronelBiobio, Chile
    741.4×
  91. 91TilburgNorth Brabant, The Netherlands
    741.4×
  92. 91NacimientoBiobio, Chile
    741.4×
  93. 93StarachowiceŚwiętokrzyskie, Poland
    741.4×
  94. 94LegionowoMazovia, Poland
    741.4×
  95. 94CalamaAntofagasta, Chile
    741.4×
  96. 96São PauloSão Paulo, Brazil
    731.4×
  97. 97OlsztynWarmia-Masuria, Poland
    731.4×
  98. 97ZemunCentral Serbia, Serbia
    731.4×
  99. 97EnschedeOverijssel, The Netherlands
    731.4×
  100. 97ŁódźŁódź Voivodeship, Poland
    731.4×
  101. 101BorCentral Serbia, Serbia
    731.4×
  102. 101BydgoszczKujawsko-Pomorskie, Poland
    731.4×
  103. 101CopiapóAtacama, Chile
    731.4×
  104. 104ZgierzŁódź Voivodeship, Poland
    731.4×
  105. 104TemucoAraucania, Chile
    731.4×
  106. 106SeafordEngland, United Kingdom
    731.4×
  107. 106QuinteroValparaiso, Chile
    731.4×
  108. 108MaputoMaputo City, Mozambique
    721.4×
  109. 109ŻyrardówMazovia, Poland
    721.4×
  110. 109ElblągWarmia-Masuria, Poland
    721.4×
  111. 109CuricóMaule Region, Chile
    721.4×
  112. 112BrightonEngland, United Kingdom
    721.4×
  113. 112EindhovenNorth Brabant, The Netherlands
    721.4×
  114. 114MedemblikNorth Holland, The Netherlands
    721.4×
  115. 114KutnoŁódź Voivodeship, Poland
    721.4×
  116. 114TalaganteSantiago Metropolitan, Chile
    721.4×
  117. 117GdyniaPomerania, Poland
    721.3×
  118. 118GrajewoPodlasie, Poland
    711.3×
  119. 118VillarricaAraucania, Chile
    711.3×
  120. 120PułtuskMazovia, Poland
    711.3×
  121. 120MielecSubcarpathia, Poland
    711.3×
  122. 120Konstancin-JeziornaMazovia, Poland
    711.3×
  123. 123Skarżysko-KamiennaŚwiętokrzyskie, Poland
    711.3×
  124. 123GuangzhouGuangdong, China
    711.3×
  125. 123AricaArica y Parinacota Region, Chile
    711.3×
  126. 126PortsmouthEngland, United Kingdom
    711.3×
  127. 126KościanGreater Poland, Poland
    711.3×
  128. 128RadomMazovia, Poland
    711.3×
  129. 128DagenhamEngland, United Kingdom
    711.3×
  130. 130QuilpuéValparaiso, Chile
    701.3×
  131. 131DziałdowoWarmia-Masuria, Poland
    701.3×
  132. 131Novi PazarCentral Serbia, Serbia
    701.3×
  133. 133PruszkówMazovia, Poland
    701.3×
  134. 133ChiguayanteBiobio, Chile
    701.3×
  135. 135Canvey IslandEngland, United Kingdom
    701.3×
  136. 136PłockMazovia, Poland
    691.3×
  137. 136ChocopeLa Libertad, Peru
    691.3×
  138. 138La SerenaCoquimbo Region, Chile
    691.3×
  139. 139BexleyEngland, United Kingdom
    691.2×
  140. 139KłodzkoLower Silesia, Poland
    691.2×
  141. 139GdańskPomerania, Poland
    691.2×
  142. 142OtwockMazovia, Poland
    691.2×
  143. 142Jelenia GóraLower Silesia, Poland
    691.2×
  144. 142FutogVojvodina, Serbia
    691.2×
  145. 145CoquimboCoquimbo Region, Chile
    691.2×
  146. 146ConcónValparaiso, Chile
    681.2×
  147. 147WarsawMazovia, Poland
    681.2×
  148. 148ĆuprijaCentral Serbia, Serbia
    681.2×
  149. 148Viña del MarValparaiso, Chile
    681.2×
  150. 150SmederevoCentral Serbia, Serbia
    681.2×
  151. 150KrakówLesser Poland, Poland
    681.2×
  152. 152WrocławLower Silesia, Poland
    681.2×
  153. 153KielceŚwiętokrzyskie, Poland
    671.2×
  154. 153N'DjamenaN’Djaména, Chad
    671.2×
  155. 153Clacton-on-SeaEngland, United Kingdom
    671.2×
  156. 153YauriCuzco Department, Peru
    671.2×
  157. 157Nong KhaemBangkok, Thailand
    671.2×
  158. 157Kędzierzyn-KoźleOpole Voivodeship, Poland
    671.2×
  159. 159WoodlandsSingapore
    671.2×
  160. 160RadomskoŁódź Voivodeship, Poland
    671.2×
  161. 160RabinalBaja Verapaz, Guatemala
    671.2×
  162. 162BelgradeCentral Serbia, Serbia
    661.2×
  163. 162BangkokBangkok, Thailand
    661.2×
  164. 162TalcahuanoBiobio, Chile
    661.2×
  165. 165San Pedro de la PazBiobio, Chile
    661.2×
  166. 166AugustówPodlasie, Poland
    661.1×
  167. 166Winterthurlow-cost sensorsZurich, Switzerland
    661.1×
  168. 168Şabāḩ as SālimMubārak al Kabīr, Kuwait
    661.1×
  169. 168PrzemyślSubcarpathia, Poland
    661.1×
  170. 168Queenstown Estatelow-cost sensorsSingapore
    661.1×
  171. 168Medina Estateslow-cost sensorsGreater Accra, Ghana
    661.1×
  172. 168CauquenesMaule Region, Chile
    661.1×
  173. 168Alto HospicioTarapacá, Chile
    661.1×
  174. 174Khlong LuangPathum Thani, Thailand
    661.1×
  175. 174ChillánÑuble, Chile
    661.1×
  176. 176PlymouthEngland, United Kingdom
    651.1×
  177. 177Phra PradaengSamut Prakan, Thailand
    651.1×
  178. 178KimitsuChiba, Japan
    651.1×
  179. 178AlgiersAlgiers, Algeria
    651.1×
  180. 178Little RockArkansas, United States
    651.1×
  181. 181UlsanUlsan, South Korea
    651.1×
  182. 181IchiharaChiba, Japan
    651.1×
  183. 183NišCentral Serbia, Serbia
    651.1×
  184. 183Nong ChokBangkok, Thailand
    651.1×
  185. 183HayesEngland, United Kingdom
    651.1×
  186. 183KołobrzegWest Pomerania, Poland
    651.1×
  187. 183Los ÁngelesBiobio, Chile
    651.1×
  188. 188SōjaOkayama, Japan
    641.1×
  189. 188MobaraChiba, Japan
    641.1×
  190. 188Bielsko-BialaSilesia, Poland
    641.1×
  191. 188Guatemala CityGuatemala, Guatemala
    641.1×
  192. 188ToméBiobio, Chile
    641.1×
  193. 193DębicaSubcarpathia, Poland
    641.1×
  194. 193PohangGyeongsangbuk-do, South Korea
    641.1×
  195. 193AndoverEngland, United Kingdom
    641.1×
  196. 196Ganghwa-gunIncheon, South Korea
    641.1×
  197. 196ChibaChiba, Japan
    641.1×
  198. 196MinamibōsōChiba, Japan
    641.1×
  199. 199NiskoSubcarpathia, Poland
    641.1×
  200. 200KurihamaKanagawa, Japan
    641.1×

Top 200 of 1,730 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, September 19, 2024, smogrank.com/history/2024-09-19 (accessed 3 Oct 2026).

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