SmogRank / History / August 23, 2024

Most polluted cities on August 23, 2024

1,780 cities ranked by their average PM2.5 over the day; the worst was Kinshasa, Democratic Republic of the Congo, at 108.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during August 23, 2024. All episodes.

← Kinshasa 108.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for August 23, 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. 1Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1887.2×
  2. 2Puerto VarasLos Lagos Region, Chile
    1715.6×
  3. 3Puerto MonttLos Lagos Region, Chile
    1695.4×
  4. 4OsornoLos Lagos Region, Chile
    1695.4×
  5. 5BaghdadBaghdad, Iraq
    1604.5×
  6. 6SaskatoonSaskatchewan, Canada
    1544.0×
  7. 7ReginaSaskatchewan, Canada
    1544.0×
  8. 8VillarricaAraucania, Chile
    1463.6×
  9. 9ValdiviaLos Ríos Region, Chile
    1453.6×
  10. 10JakartaJakarta, Indonesia
    1433.5×
  11. 11Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1413.5×
  12. 12Lahorelow-cost sensorsPunjab, Pakistan
    1403.4×
  13. 13Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1393.4×
  14. 14CoyhaiqueAysén, Chile
    1373.4×
  15. 15La UniónLos Ríos Region, Chile
    1343.3×
  16. 16Prince AlbertSaskatchewan, Canada
    1333.2×
  17. 17NacimientoBiobio, Chile
    1273.1×
  18. 18Kampalalow-cost sensorsCentral Region, Uganda
    1253.0×
  19. 19HualpénBiobio, Chile
    1233.0×
  20. 20El PasoTexas, United States
    1162.8×
  21. 21DushanbeDushanbe, Tajikistan
    1152.7×
  22. 22CuranilahueBiobio, Chile
    1132.7×
  23. 23Santa Anita - Los FicusLima region, Peru
    1112.6×
  24. 24TooeleUtah, United States
    1102.6×
  25. 25TalcahuanoBiobio, Chile
    1092.6×
  26. 26São PauloSão Paulo, Brazil
    1082.5×
  27. 27TemucoAraucania, Chile
    1022.4×
  28. 28HualquiBiobio, Chile
    1012.4×
  29. 29Jeju CityJeju-do, South Korea
    1012.4×
  30. 30CoronelBiobio, Chile
    1002.4×
  31. 31AlgiersAlgiers, Algeria
    992.3×
  32. 32CairoCairo, Egypt
    982.3×
  33. 33SocorroTexas, United States
    952.2×
  34. 34Ban Talat BuengChon Buri, Thailand
    942.2×
  35. 35GaigeturiJeju-do, South Korea
    932.1×
  36. 36BeijingBeijing, China
    912.1×
  37. 37ToméBiobio, Chile
    912.0×
  38. 38RengoO'Higgins Region, Chile
    902.0×
  39. 38Los ÁngelesBiobio, Chile
    902.0×
  40. 40Puerto AysénAysén, Chile
    902.0×
  41. 41ChillánÑuble, Chile
    892.0×
  42. 42CauquenesMaule Region, Chile
    871.9×
  43. 43Dhakalow-cost sensorsDhaka Division, Bangladesh
    851.8×
  44. 44Iloilolow-cost sensorsWestern Visayas, Philippines
    851.8×
  45. 45MaputoMaputo City, Mozambique
    851.8×
  46. 46GuangzhouGuangdong, China
    851.8×
  47. 47Ciudad JuárezChihuahua, Mexico
    841.8×
  48. 48SeogwipoJeju-do, South Korea
    841.8×
  49. 49Islamabadlow-cost sensorsIslamabad, Pakistan
    841.8×
  50. 50ConcepciónBiobio, Chile
    831.8×
  51. 51MokpoJeollanam-do, South Korea
    821.7×
  52. 51Jacobo HunterArequipa, Peru
    821.7×
  53. 53TalcaMaule Region, Chile
    811.7×
  54. 54CuricóMaule Region, Chile
    811.7×
  55. 55DelhiDelhi, India
    801.7×
  56. 56QuillotaValparaiso, Chile
    801.7×
  57. 57San Pedro de la PazBiobio, Chile
    791.6×
  58. 58AntananarivoAnalamanga, Madagascar
    791.6×
  59. 58WŏnjuGangwon-do, South Korea
    791.6×
  60. 60Hongch’ŏnGangwon-do, South Korea
    781.6×
  61. 61BuanJeollabuk-do, South Korea
    771.5×
  62. 62Ganghwa-gunIncheon, South Korea
    771.5×
  63. 62CopiapóAtacama, Chile
    771.5×
  64. 64AntofagastaAntofagasta, Chile
    771.5×
  65. 64EdmontonAlberta, Canada
    771.5×
  66. 66Fort McMurrayAlberta, Canada
    771.5×
  67. 67ChiguayanteBiobio, Chile
    761.5×
  68. 68JeongeupJeollabuk-do, South Korea
    761.5×
  69. 69YeojuGyeonggi-do, South Korea
    761.5×
  70. 69RancaguaO'Higgins Region, Chile
    761.5×
  71. 71QuilpuéValparaiso, Chile
    751.5×
  72. 72TocopillaAntofagasta, Chile
    751.5×
  73. 73Karachilow-cost sensorsSindh, Pakistan
    741.4×
  74. 73HanamGyeonggi-do, South Korea
    741.4×
  75. 75Bang NaBangkok, Thailand
    741.4×
  76. 75GunsanJeollabuk-do, South Korea
    741.4×
  77. 77Addis AbabaAddis Ababa, Ethiopia
    741.4×
  78. 77Wan ChaiWan Chai, Hong Kong
    741.4×
  79. 77Gimpo-siGyeonggi-do, South Korea
    741.4×
  80. 80KalasinKalasin, Thailand
    741.4×
  81. 81TangjinChungcheongnam-do, South Korea
    741.4×
  82. 82KolkataWest Bengal, India
    731.4×
  83. 83SeoulSeoul, South Korea
    731.4×
  84. 84IncheonIncheon, South Korea
    731.4×
  85. 84ShreveportLouisiana, United States
    731.4×
  86. 84Swift CurrentSaskatchewan, Canada
    731.4×
  87. 87SantiagoSantiago Metropolitan, Chile
    721.4×
  88. 87CallaoCallao, Peru
    721.4×
  89. 89GwangmyeongGyeonggi-do, South Korea
    721.4×
  90. 89Puente AltoSantiago Metropolitan, Chile
    721.4×
  91. 91BakuBaki, Azerbaijan
    721.4×
  92. 91QuinteroValparaiso, Chile
    721.4×
  93. 93ShanghaiShanghai, China
    721.3×
  94. 93YesanChungcheongnam-do, South Korea
    721.3×
  95. 93TolucaMéxico, Mexico
    721.3×
  96. 96MukdahanMukdahan, Thailand
    711.3×
  97. 97Guri-siGyeonggi-do, South Korea
    711.3×
  98. 97San Francisco De BorjaLima region, Peru
    711.3×
  99. 99Icheon-siGyeonggi-do, South Korea
    711.3×
  100. 100KimjeJeollabuk-do, South Korea
    711.3×
  101. 101Twin FallsIdaho, United States
    711.3×
  102. 101SinanJeollanam-do, South Korea
    711.3×
  103. 103NonsanChungcheongnam-do, South Korea
    711.3×
  104. 103BartlettTennessee, United States
    711.3×
  105. 105OsanGyeonggi-do, South Korea
    701.3×
  106. 105HwadoGyeonggi-do, South Korea
    701.3×
  107. 107YauriCuzco Department, Peru
    701.3×
  108. 107Sunland ParkNew Mexico, United States
    701.3×
  109. 109WanjuJeollabuk-do, South Korea
    701.3×
  110. 109MasanGwangju, South Korea
    701.3×
  111. 109Lat KrabangBangkok, Thailand
    701.3×
  112. 112PyeongtaekGyeonggi-do, South Korea
    701.3×
  113. 113TongyeongGyeongsangnam-do, South Korea
    691.3×
  114. 113CheorwonGangwon-do, South Korea
    691.3×
  115. 113TakasakiGunma, Japan
    691.3×
  116. 113Donghae CityGangwon-do, South Korea
    691.3×
  117. 113Viña del MarValparaiso, Chile
    691.3×
  118. 113LimaLima Province, Peru
    691.3×
  119. 119Goyang-siGyeonggi-do, South Korea
    691.3×
  120. 119Baton RougeLouisiana, United States
    691.3×
  121. 119YamanashiYamanashi, Japan
    691.3×
  122. 122Nakhon RatchasimaNakhon Ratchasima, Thailand
    691.2×
  123. 122HaenamJeollanam-do, South Korea
    691.2×
  124. 122LafayetteLouisiana, United States
    691.2×
  125. 125RedfordMichigan, United States
    691.2×
  126. 126NamyangjuGyeonggi-do, South Korea
    681.2×
  127. 127Alto HospicioTarapacá, Chile
    681.2×
  128. 128Bucheon-siGyeonggi-do, South Korea
    681.2×
  129. 128BirminghamAlabama, United States
    681.2×
  130. 130IksanJeollabuk-do, South Korea
    681.2×
  131. 130Hwaseong-siGyeonggi-do, South Korea
    681.2×
  132. 130ToruńKujawsko-Pomorskie, Poland
    681.2×
  133. 130ConcónValparaiso, Chile
    681.2×
  134. 130Little RockArkansas, United States
    681.2×
  135. 135Anyang-siGyeonggi-do, South Korea
    671.2×
  136. 136N'DjamenaN’Djaména, Chad
    671.2×
  137. 136SpringdaleArkansas, United States
    671.2×
  138. 138ChennaiTamil Nadu, India
    671.2×
  139. 138Yangp'yŏngGyeonggi-do, South Korea
    671.2×
  140. 138Uijeongbu-siGyeonggi-do, South Korea
    671.2×
  141. 138Ansan-siGyeonggi-do, South Korea
    671.2×
  142. 138CalamaAntofagasta, Chile
    671.2×
  143. 143SuwonGyeonggi-do, South Korea
    671.2×
  144. 143DallasTexas, United States
    671.2×
  145. 145TalaganteSantiago Metropolitan, Chile
    661.2×
  146. 146Kathmandulow-cost sensorsBagmati Province, Nepal
    661.2×
  147. 146Suphan BuriSuphan Buri, Thailand
    661.2×
  148. 146Amnat CharoenAmnat Charoen, Thailand
    661.2×
  149. 149DamyangJeollanam-do, South Korea
    661.1×
  150. 149GotembaShizuoka, Japan
    661.1×
  151. 149AdaOklahoma, United States
    661.1×
  152. 152MuanJeollanam-do, South Korea
    661.1×
  153. 152YŏnmuChungcheongnam-do, South Korea
    661.1×
  154. 154AsanChungcheongnam-do, South Korea
    661.1×
  155. 154McAlesterOklahoma, United States
    661.1×
  156. 156YeonggwangJeollanam-do, South Korea
    661.1×
  157. 156OkcheonNorth Chungcheong, South Korea
    661.1×
  158. 158GwangjuGyeonggi-do, South Korea
    651.1×
  159. 158GwangjuGwangju, South Korea
    651.1×
  160. 158NaesŏGyeongsangnam-do, South Korea
    651.1×
  161. 161SokchoGangwon-do, South Korea
    651.1×
  162. 161La SerenaCoquimbo Region, Chile
    651.1×
  163. 161MooreOklahoma, United States
    651.1×
  164. 164AshgabatAshgabat, Turkmenistan
    651.1×
  165. 164NamsaJeollabuk-do, South Korea
    651.1×
  166. 164KinzanChungcheongnam-do, South Korea
    651.1×
  167. 164GwangyangJeollanam-do, South Korea
    651.1×
  168. 164SarajevoFederation of B&H, Bosnia and Herzegovina
    651.1×
  169. 164HernandoMississippi, United States
    651.1×
  170. 170Si Maha PhotPrachin Buri, Thailand
    651.1×
  171. 170Accralow-cost sensorsGreater Accra, Ghana
    651.1×
  172. 172TratTrat, Thailand
    641.1×
  173. 172GoseongGyeongsangnam-do, South Korea
    641.1×
  174. 172JeonjuJeollabuk-do, South Korea
    641.1×
  175. 175UlsanUlsan, South Korea
    641.1×
  176. 175JangheungJeollanam-do, South Korea
    641.1×
  177. 175St. AlbertAlberta, Canada
    641.1×
  178. 178SagaeYamagata, Japan
    641.1×
  179. 179NakatsuOita, Japan
    631.1×
  180. 180GrajewoPodlasie, Poland
    631.0×
  181. 181YangjuGyeonggi-do, South Korea
    631.0×
  182. 181NajuJeollanam-do, South Korea
    631.0×
  183. 181TimaruCanterbury, New Zealand
    631.0×
  184. 184JinchengFukien, Taiwan
    631.0×
  185. 184Jinan-gunJeollabuk-do, South Korea
    631.0×
  186. 184East RidgeTennessee, United States
    631.0×
  187. 187NeietsuGangwon-do, South Korea
    631.0×
  188. 187SeosanChungcheongnam-do, South Korea
    631.0×
  189. 187Seongnam-siGyeonggi-do, South Korea
    631.0×
  190. 190HwasunJeollanam-do, South Korea
    631.0×
  191. 190YeosuJeollanam-do, South Korea
    631.0×
  192. 190LotaBiobio, Chile
    631.0×
  193. 190Saphan SungBangkok, Thailand
    631.0×
  194. 194SeonghwanChungcheongnam-do, South Korea
    621.0×
  195. 195ChangwonGyeongsangnam-do, South Korea
    621.0×
  196. 195ŌtsukiYamanashi, Japan
    621.0×
  197. 195PubalGyeonggi-do, South Korea
    621.0×
  198. 198ChuncheonGangwon-do, South Korea
    621.0×
  199. 198West MemphisArkansas, United States
    621.0×
  200. 198Columbialow-cost sensorsMissouri, United States
    621.0×

Top 200 of 1,780 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, August 23, 2024, smogrank.com/history/2024-08-23 (accessed 3 Oct 2026).

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