SmogRank / History / September 26, 2024

Most polluted cities on September 26, 2024

1,720 cities ranked by their average PM2.5 over the day; the worst was Addis Ababa, Ethiopia, at 340.0 µg/m³. Each city's own local calendar day.

← Addis Ababa 340.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for September 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. 1Addis AbabaAddis Ababa, Ethiopia
    500+22.7×
  2. 2Kampalalow-cost sensorsCentral Region, Uganda
    1846.9×
  3. 3DushanbeDushanbe, Tajikistan
    1766.1×
  4. 4Lahorelow-cost sensorsPunjab, Pakistan
    1725.7×
  5. 5Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1705.6×
  6. 6Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1685.4×
  7. 7Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1685.3×
  8. 8MaputoMaputo City, Mozambique
    1644.9×
  9. 9OsornoLos Lagos Region, Chile
    1594.5×
  10. 10SalorTashkent Region, Uzbekistan
    1533.9×
  11. 11Puerto VarasLos Lagos Region, Chile
    1533.9×
  12. 12HanoiHanoi, Vietnam
    1523.8×
  13. 13La UniónLos Ríos Region, Chile
    1453.6×
  14. 14YanacanchaPasco, Peru
    1333.2×
  15. 15ValdiviaLos Ríos Region, Chile
    1313.2×
  16. 16Islamabadlow-cost sensorsIslamabad, Pakistan
    1263.0×
  17. 17CuranilahueBiobio, Chile
    1253.0×
  18. 18JakartaJakarta, Indonesia
    1212.9×
  19. 18Puerto MonttLos Lagos Region, Chile
    1212.9×
  20. 20BaghdadBaghdad, Iraq
    1192.9×
  21. 20AshgabatAshgabat, Turkmenistan
    1192.9×
  22. 22KigaliKigali, Rwanda
    1162.8×
  23. 23KraljevoCentral Serbia, Serbia
    1132.7×
  24. 24CoronelBiobio, Chile
    1122.7×
  25. 25VillarricaAraucania, Chile
    1102.6×
  26. 26NacimientoBiobio, Chile
    1102.6×
  27. 27TemucoAraucania, Chile
    1092.6×
  28. 28São PauloSão Paulo, Brazil
    1022.4×
  29. 29Santa Anita - Los FicusLima region, Peru
    1022.4×
  30. 30Ban Samae DamBangkok, Thailand
    1002.3×
  31. 30GuangzhouGuangdong, China
    1002.3×
  32. 32HualpénBiobio, Chile
    982.3×
  33. 33CairoCairo, Egypt
    972.3×
  34. 34Dhakalow-cost sensorsDhaka Division, Bangladesh
    952.2×
  35. 35N'DjamenaN’Djaména, Chad
    952.2×
  36. 36HualquiBiobio, Chile
    942.1×
  37. 37Nong KhaemBangkok, Thailand
    932.1×
  38. 38Bang NaBangkok, Thailand
    912.1×
  39. 39BeijingBeijing, China
    912.0×
  40. 40Jacobo HunterArequipa, Peru
    902.0×
  41. 41ChiguayanteBiobio, Chile
    892.0×
  42. 42SantiagoSantiago Metropolitan, Chile
    871.9×
  43. 42Puerto AysénAysén, Chile
    871.9×
  44. 44RengoO'Higgins Region, Chile
    861.9×
  45. 45CauquenesMaule Region, Chile
    841.8×
  46. 46RancaguaO'Higgins Region, Chile
    841.8×
  47. 47Puente AltoSantiago Metropolitan, Chile
    831.8×
  48. 48AntananarivoAnalamanga, Madagascar
    831.7×
  49. 49TalaganteSantiago Metropolitan, Chile
    811.7×
  50. 50QuinteroValparaiso, Chile
    811.7×
  51. 51Los ÁngelesBiobio, Chile
    801.6×
  52. 52TalcahuanoBiobio, Chile
    791.6×
  53. 53San Francisco De BorjaLima region, Peru
    791.6×
  54. 54Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    781.6×
  55. 55DelhiDelhi, India
    771.5×
  56. 56BogotáBogota D.C., Colombia
    771.5×
  57. 56ChillánÑuble, Chile
    771.5×
  58. 56Khlong Sam WaBangkok, Thailand
    771.5×
  59. 59QuillotaValparaiso, Chile
    771.5×
  60. 59Villa Poeta José Gálvez BarrenecheaLima region, Peru
    771.5×
  61. 61ConcepciónBiobio, Chile
    761.5×
  62. 62ToméBiobio, Chile
    761.5×
  63. 63BangkokBangkok, Thailand
    761.5×
  64. 64SmederevoCentral Serbia, Serbia
    751.5×
  65. 64Wan ChaiWan Chai, Hong Kong
    751.5×
  66. 66AlgiersAlgiers, Algeria
    741.4×
  67. 67AntofagastaAntofagasta, Chile
    741.4×
  68. 68CuricóMaule Region, Chile
    731.4×
  69. 69TocopillaAntofagasta, Chile
    731.4×
  70. 70Viña del MarValparaiso, Chile
    731.4×
  71. 70ConcónValparaiso, Chile
    731.4×
  72. 72Kathmandulow-cost sensorsBagmati Province, Nepal
    721.4×
  73. 73CoquimboCoquimbo Region, Chile
    711.3×
  74. 74San ClementeIca, Peru
    711.3×
  75. 75CallaoCallao, Peru
    701.3×
  76. 75San Pedro de la PazBiobio, Chile
    701.3×
  77. 77RabinalBaja Verapaz, Guatemala
    701.3×
  78. 77Saphan SungBangkok, Thailand
    701.3×
  79. 79ĆuprijaCentral Serbia, Serbia
    701.3×
  80. 79LotaBiobio, Chile
    701.3×
  81. 81CoyhaiqueAysén, Chile
    701.3×
  82. 82AstanaAstana, Kazakhstan
    691.3×
  83. 82AricaArica y Parinacota Region, Chile
    691.3×
  84. 84CopiapóAtacama, Chile
    691.2×
  85. 84YauriCuzco Department, Peru
    691.2×
  86. 86GumiGyeongsangbuk-do, South Korea
    681.2×
  87. 86PubalGyeonggi-do, South Korea
    681.2×
  88. 88ValjevoCentral Serbia, Serbia
    681.2×
  89. 88FontanaCalifornia, United States
    681.2×
  90. 90TalcaMaule Region, Chile
    681.2×
  91. 91GrajewoPodlasie, Poland
    671.2×
  92. 91Bang KapiBangkok, Thailand
    671.2×
  93. 91UžiceCentral Serbia, Serbia
    671.2×
  94. 94Bueng KumBangkok, Thailand
    671.2×
  95. 94Khan Na YaoBangkok, Thailand
    671.2×
  96. 96ChennaiTamil Nadu, India
    661.2×
  97. 97Vientianelow-cost sensorsVientiane Prefecture, Laos
    661.2×
  98. 98Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    661.1×
  99. 98YuanlinTaiwan, Taiwan
    661.1×
  100. 98Guatemala CityGuatemala, Guatemala
    661.1×
  101. 101NogalesSonora, Mexico
    661.1×
  102. 102Ban Khlong PrawetBangkok, Thailand
    651.1×
  103. 103Novi PazarCentral Serbia, Serbia
    651.1×
  104. 103CalamaAntofagasta, Chile
    651.1×
  105. 103Sai MaiBangkok, Thailand
    651.1×
  106. 106FanlingNorth District, Hong Kong
    651.1×
  107. 107ChocopeLa Libertad, Peru
    651.1×
  108. 108NonsanChungcheongnam-do, South Korea
    651.1×
  109. 109NišCentral Serbia, Serbia
    641.1×
  110. 109Hwaseong-siGyeonggi-do, South Korea
    641.1×
  111. 111Lak SiBangkok, Thailand
    641.1×
  112. 112NajuJeollanam-do, South Korea
    641.1×
  113. 113Lagoslow-cost sensorsLagos, Nigeria
    641.1×
  114. 114Tin Shui WaiYuen Long, Hong Kong
    641.1×
  115. 115TangjinChungcheongnam-do, South Korea
    631.0×
  116. 116SaikiOita, Japan
    631.0×
  117. 116RiversideCalifornia, United States
    631.0×
  118. 118Jurupa ValleyCalifornia, United States
    621.0×
  119. 119Ulan BatorUlaanbaatar, Mongolia
    621.0×
  120. 120ZemunCentral Serbia, Serbia
    621.0×
  121. 120Tai PoTai Po, Hong Kong
    621.0×
  122. 120Alto HospicioTarapacá, Chile
    621.0×
  123. 123ErlunTaiwan, Taiwan
    621.0×
  124. 123PyeongtaekGyeonggi-do, South Korea
    621.0×
  125. 123TimaruCanterbury, New Zealand
    621.0×
  126. 126Tuen MunTuen Mun, Hong Kong
    621.0×
  127. 126Hondomachi-hondoKumamoto, Japan
    621.0×
  128. 128XinyingTaiwan, Taiwan
    611.0×
  129. 129Novi SadVojvodina, Serbia
    611.0×
  130. 129ChimboteAncash, Peru
    611.0×
  131. 131SeonghwanChungcheongnam-do, South Korea
    611.0×
  132. 131MinokamoGifu, Japan
    611.0×
  133. 131HigashihiroshimaHiroshima, Japan
    611.0×
  134. 134Icheon-siGyeonggi-do, South Korea
    610.9×
  135. 135ObrenovacCentral Serbia, Serbia
    600.9×
  136. 135SokchoGangwon-do, South Korea
    600.9×
  137. 135HonmachiKumamoto, Japan
    600.9×
  138. 138MinamataKumamoto, Japan
    600.9×
  139. 139Mueang NonthaburiNonthaburi, Thailand
    600.9×
  140. 139Quezon Citylow-cost sensorsNational Capital Region, Philippines
    600.9×
  141. 139Ōyanomachi-noboritateKumamoto, Japan
    600.9×
  142. 139KureHiroshima, Japan
    600.9×
  143. 139KasaokaOkayama, Japan
    600.9×
  144. 144Nong ChokBangkok, Thailand
    600.9×
  145. 145FengshanTakao, Taiwan
    600.9×
  146. 145ŌzuKumamoto, Japan
    600.9×
  147. 145Lat KrabangBangkok, Thailand
    600.9×
  148. 148OtwockMazovia, Poland
    590.9×
  149. 148SaijōEhime, Japan
    590.9×
  150. 148VisaliaCalifornia, United States
    590.9×
  151. 151BizenOkayama, Japan
    590.9×
  152. 152YongkangTaiwan, Taiwan
    590.9×
  153. 152FresnoCalifornia, United States
    590.9×
  154. 154AugustówPodlasie, Poland
    590.9×
  155. 154MiharaHiroshima, Japan
    590.9×
  156. 156ŌitaOita, Japan
    590.9×
  157. 156Banja LukaSrpska, Bosnia and Herzegovina
    590.9×
  158. 158GunsanJeollabuk-do, South Korea
    580.9×
  159. 158Los AngelesCalifornia, United States
    580.9×
  160. 158El PasoTexas, United States
    580.9×
  161. 158KaniGifu, Japan
    580.9×
  162. 162Chinch'ŏnNorth Chungcheong, South Korea
    580.9×
  163. 162TsurusakiOita, Japan
    580.9×
  164. 162GdańskPomerania, Poland
    580.9×
  165. 165OsanGyeonggi-do, South Korea
    580.9×
  166. 166GimcheonGyeongsangbuk-do, South Korea
    580.9×
  167. 166Maebaru-chūōFukuoka, Japan
    580.9×
  168. 166GdyniaPomerania, Poland
    580.9×
  169. 166La Crescenta-Montroselow-cost sensorsCalifornia, United States
    580.9×
  170. 170ČačakCentral Serbia, Serbia
    580.8×
  171. 170ŌmutaFukuoka, Japan
    580.8×
  172. 170KumamotoKumamoto, Japan
    580.8×
  173. 170ChangnyeongGyeongsangnam-do, South Korea
    580.8×
  174. 174ŁukówLublin, Poland
    580.8×
  175. 174TakeharaHiroshima, Japan
    580.8×
  176. 176KimjeJeollabuk-do, South Korea
    570.8×
  177. 176HayangGyeongsangbuk-do, South Korea
    570.8×
  178. 176UtoKumamoto, Japan
    570.8×
  179. 176MinatoWakayama, Japan
    570.8×
  180. 176SandachōHyōgo, Japan
    570.8×
  181. 176NakatsuOita, Japan
    570.8×
  182. 176MatsuyamaEhime, Japan
    570.8×
  183. 176RochesterMinnesota, United States
    570.8×
  184. 176OwariasahiAichi, Japan
    570.8×
  185. 185SuwonGyeonggi-do, South Korea
    570.8×
  186. 185Uekimachi-mōnoKumamoto, Japan
    570.8×
  187. 185TokiGifu, Japan
    570.8×
  188. 185NiihamaEhime, Japan
    570.8×
  189. 185GlendoraCalifornia, United States
    570.8×
  190. 190PančevoVojvodina, Serbia
    570.8×
  191. 190LazarevacCentral Serbia, Serbia
    570.8×
  192. 190ZhushanTaiwan, Taiwan
    570.8×
  193. 190PortervilleCalifornia, United States
    570.8×
  194. 194BeigangTaiwan, Taiwan
    570.8×
  195. 194MasanGwangju, South Korea
    570.8×
  196. 194TakasakiGunma, Japan
    570.8×
  197. 194KurumeFukuoka, Japan
    570.8×
  198. 194IwadeWakayama, Japan
    570.8×
  199. 194NogalesArizona, United States
    570.8×
  200. 194AraoKumamoto, Japan
    570.8×

Top 200 of 1,720 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 26, 2024, smogrank.com/history/2024-09-26 (accessed 3 Oct 2026).

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