SmogRank / History / August 8, 2024

Most polluted cities on August 8, 2024

2,223 cities ranked by their average PM2.5 over the day; the worst was Puerto Aysén, Chile, at 137.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during August 8, 2024. All episodes.

← Puerto Aysén 137.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for August 8, 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. 1Puerto AysénAysén, Chile
    2129.1×
  2. 2OsornoLos Lagos Region, Chile
    1968.0×
  3. 3Puerto MonttLos Lagos Region, Chile
    1877.1×
  4. 4Puerto VarasLos Lagos Region, Chile
    1867.0×
  5. 5BoiseIdaho, United States
    1826.7×
  6. 6CuranilahueBiobio, Chile
    1786.2×
  7. 7CoyhaiqueAysén, Chile
    1756.0×
  8. 8NacimientoBiobio, Chile
    1725.7×
  9. 9TemucoAraucania, Chile
    1715.6×
  10. 10La UniónLos Ríos Region, Chile
    1695.4×
  11. 11TalcahuanoBiobio, Chile
    1685.3×
  12. 12HualpénBiobio, Chile
    1675.2×
  13. 13MeridianIdaho, United States
    1645.0×
  14. 14ChillánÑuble, Chile
    1634.8×
  15. 15MedfordOregon, United States
    1584.4×
  16. 16NampaIdaho, United States
    1574.2×
  17. 17JakartaJakarta, Indonesia
    1564.2×
  18. 18VillarricaAraucania, Chile
    1564.2×
  19. 19CoronelBiobio, Chile
    1554.1×
  20. 20AshlandOregon, United States
    1544.0×
  21. 21Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    1483.6×
  22. 22CuricóMaule Region, Chile
    1463.6×
  23. 23DushanbeDushanbe, Tajikistan
    1433.5×
  24. 24Kampalalow-cost sensorsCentral Region, Uganda
    1393.4×
  25. 25ToméBiobio, Chile
    1343.2×
  26. 26TalcaMaule Region, Chile
    1333.2×
  27. 27Santa Anita - Los FicusLima region, Peru
    1273.1×
  28. 28HualquiBiobio, Chile
    1263.0×
  29. 29ConcepciónBiobio, Chile
    1243.0×
  30. 30RengoO'Higgins Region, Chile
    1233.0×
  31. 31BaghdadBaghdad, Iraq
    1182.8×
  32. 32CauquenesMaule Region, Chile
    1182.8×
  33. 33ManamaManama, Bahrain
    1172.8×
  34. 34SantiagoSantiago Metropolitan, Chile
    1102.6×
  35. 35AntananarivoAnalamanga, Madagascar
    1102.6×
  36. 36Los ÁngelesBiobio, Chile
    1082.6×
  37. 37RancaguaO'Higgins Region, Chile
    1072.5×
  38. 38ChiguayanteBiobio, Chile
    1062.5×
  39. 39TalaganteSantiago Metropolitan, Chile
    1042.4×
  40. 39SaskatoonSaskatchewan, Canada
    1042.4×
  41. 41San Pedro de la PazBiobio, Chile
    1012.4×
  42. 42AltamontOregon, United States
    1002.4×
  43. 43Grants PassOregon, United States
    982.3×
  44. 44AshgabatAshgabat, Turkmenistan
    972.3×
  45. 45ValdiviaLos Ríos Region, Chile
    952.2×
  46. 46RedmondOregon, United States
    952.2×
  47. 47Puente AltoSantiago Metropolitan, Chile
    942.2×
  48. 48ShenyangLiaoning, China
    942.1×
  49. 49Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    942.1×
  50. 50Ban Talat BuengChon Buri, Thailand
    932.1×
  51. 51North OgdenUtah, United States
    912.0×
  52. 51Medicine HatAlberta, Canada
    912.0×
  53. 53Dhakalow-cost sensorsDhaka Division, Bangladesh
    902.0×
  54. 53Twin FallsIdaho, United States
    902.0×
  55. 55MaputoMaputo City, Mozambique
    892.0×
  56. 56MillcreekUtah, United States
    881.9×
  57. 57LotaBiobio, Chile
    881.9×
  58. 57San Francisco De BorjaLima region, Peru
    881.9×
  59. 59LimaLima Province, Peru
    871.9×
  60. 60BeijingBeijing, China
    871.9×
  61. 60QuilpuéValparaiso, Chile
    871.9×
  62. 60BendOregon, United States
    871.9×
  63. 63TooeleUtah, United States
    871.9×
  64. 63Prince AlbertSaskatchewan, Canada
    871.9×
  65. 65ShanghaiShanghai, China
    861.9×
  66. 66West Valley CityUtah, United States
    861.9×
  67. 67Salt Lake CityUtah, United States
    851.8×
  68. 68Şabāḩ as SālimMubārak al Kabīr, Kuwait
    831.8×
  69. 69Addis AbabaAddis Ababa, Ethiopia
    831.7×
  70. 70Fort McMurrayAlberta, Canada
    821.7×
  71. 71GuangzhouGuangdong, China
    811.7×
  72. 72Lahorelow-cost sensorsPunjab, Pakistan
    801.6×
  73. 73HerrimanUtah, United States
    801.6×
  74. 73ChangnyeongGyeongsangnam-do, South Korea
    801.6×
  75. 75TratTrat, Thailand
    801.6×
  76. 76BakuBaki, Azerbaijan
    791.6×
  77. 77PocatelloIdaho, United States
    791.6×
  78. 78QuinteroValparaiso, Chile
    781.6×
  79. 78VictorvilleCalifornia, United States
    781.6×
  80. 78BountifulUtah, United States
    781.6×
  81. 81West JordanUtah, United States
    781.6×
  82. 82MagnaUtah, United States
    781.6×
  83. 83Bang NaBangkok, Thailand
    771.5×
  84. 84EdmontonAlberta, Canada
    761.5×
  85. 85CalgaryAlberta, Canada
    761.5×
  86. 86JinchengFukien, Taiwan
    761.5×
  87. 87GostivarGostivar, North Macedonia
    751.5×
  88. 88TongyeongGyeongsangnam-do, South Korea
    751.5×
  89. 88Great FallsMontana, United States
    751.5×
  90. 90ConcónValparaiso, Chile
    751.5×
  91. 91AlgiersAlgiers, Algeria
    741.4×
  92. 92GijangBusan, South Korea
    741.4×
  93. 92AntofagastaAntofagasta, Chile
    741.4×
  94. 94Abujalow-cost sensorsFCT, Nigeria
    741.4×
  95. 95Kathmandulow-cost sensorsBagmati Province, Nepal
    731.4×
  96. 95GwangyangJeollanam-do, South Korea
    731.4×
  97. 97NaesŏGyeongsangnam-do, South Korea
    731.4×
  98. 98BusanBusan, South Korea
    731.4×
  99. 98ChangwonGyeongsangnam-do, South Korea
    731.4×
  100. 98NichinanMiyazaki, Japan
    731.4×
  101. 98Viña del MarValparaiso, Chile
    731.4×
  102. 102Lat KrabangBangkok, Thailand
    731.4×
  103. 103Iloilolow-cost sensorsWestern Visayas, Philippines
    721.4×
  104. 104Lake MaryFlorida, United States
    721.3×
  105. 104The DallesOregon, United States
    721.3×
  106. 106ChennaiTamil Nadu, India
    711.3×
  107. 107HadongGyeongsangnam-do, South Korea
    711.3×
  108. 108Rapid CitySouth Dakota, United States
    711.3×
  109. 109GoseongGyeongsangnam-do, South Korea
    711.3×
  110. 109SocorroTexas, United States
    711.3×
  111. 111Karachilow-cost sensorsSindh, Pakistan
    711.3×
  112. 111TallahasseeFlorida, United States
    711.3×
  113. 113Samut SakhonSamut Sakhon, Thailand
    701.3×
  114. 113TakanabeMiyazaki, Japan
    701.3×
  115. 115MukdahanMukdahan, Thailand
    701.3×
  116. 115LafayetteLouisiana, United States
    701.3×
  117. 115HyūgaMiyazaki, Japan
    701.3×
  118. 118OcalaFlorida, United States
    701.3×
  119. 118Prince GeorgeBritish Columbia, Canada
    701.3×
  120. 120SalorTashkent Region, Uzbekistan
    691.2×
  121. 120MiyakonojōMiyazaki, Japan
    691.2×
  122. 120CalamaAntofagasta, Chile
    691.2×
  123. 123SinhyeonGyeongsangnam-do, South Korea
    691.2×
  124. 123ShintomiMiyazaki, Japan
    691.2×
  125. 125EisenGyeongsangbuk-do, South Korea
    681.2×
  126. 125MiyazakiMiyazaki, Japan
    681.2×
  127. 125KochiKochi, Japan
    681.2×
  128. 125KobayashiMiyazaki, Japan
    681.2×
  129. 129ErlunTaiwan, Taiwan
    681.2×
  130. 129UlsanUlsan, South Korea
    681.2×
  131. 131TakasakiGunma, Japan
    681.2×
  132. 132KalasinKalasin, Thailand
    681.2×
  133. 132EugeneOregon, United States
    681.2×
  134. 134ShulinTaipei, Taiwan
    681.2×
  135. 134WŏnjuGangwon-do, South Korea
    681.2×
  136. 134KennerLouisiana, United States
    681.2×
  137. 137NobeokaMiyazaki, Japan
    671.2×
  138. 137AricaArica y Parinacota Region, Chile
    671.2×
  139. 139KanchanaburiKanchanaburi, Thailand
    671.2×
  140. 139Nong KhaemBangkok, Thailand
    671.2×
  141. 139KanoyaKagoshima, Japan
    671.2×
  142. 139ChalmetteLouisiana, United States
    671.2×
  143. 143GadsdenAlabama, United States
    671.2×
  144. 144Amnat CharoenAmnat Charoen, Thailand
    671.2×
  145. 144ZhubeiTaiwan, Taiwan
    671.2×
  146. 144AlbanyGeorgia, United States
    671.2×
  147. 144Idaho FallsIdaho, United States
    671.2×
  148. 148YeojuGyeonggi-do, South Korea
    671.2×
  149. 148UngsangGyeongsangnam-do, South Korea
    671.2×
  150. 148CopiapóAtacama, Chile
    671.2×
  151. 148ValdostaGeorgia, United States
    671.2×
  152. 148OremUtah, United States
    671.2×
  153. 153LublinLublin, Poland
    661.2×
  154. 153XizhiTaipei, Taiwan
    661.2×
  155. 153HermistonOregon, United States
    661.2×
  156. 153YakimaWashington, United States
    661.2×
  157. 157ToufenTaiwan, Taiwan
    661.2×
  158. 157MinamataKumamoto, Japan
    661.2×
  159. 157CoquimboCoquimbo Region, Chile
    661.2×
  160. 160ConroeTexas, United States
    661.1×
  161. 161Skarżysko-KamiennaŚwiętokrzyskie, Poland
    661.1×
  162. 162NanNan, Thailand
    661.1×
  163. 162ErlinTaiwan, Taiwan
    661.1×
  164. 162ŌtsukiYamanashi, Japan
    661.1×
  165. 162CondaIdaho, United States
    661.1×
  166. 166La SerenaCoquimbo Region, Chile
    661.1×
  167. 167KolkataWest Bengal, India
    651.1×
  168. 167DaxiTaiwan, Taiwan
    651.1×
  169. 167NeiliTaiwan, Taiwan
    651.1×
  170. 167KimhaeGyeongsangnam-do, South Korea
    651.1×
  171. 167KomárnoNitra Region, Slovakia
    651.1×
  172. 167Grande PrairieAlberta, Canada
    651.1×
  173. 173PruszkówMazovia, Poland
    651.1×
  174. 173HanamGyeonggi-do, South Korea
    651.1×
  175. 173RenoNevada, United States
    651.1×
  176. 173TigardOregon, United States
    651.1×
  177. 177ChisinauChișinău Municipality, Moldova
    651.1×
  178. 177ColumbusGeorgia, United States
    651.1×
  179. 177East RidgeTennessee, United States
    651.1×
  180. 177New Taipei CityTaipei, Taiwan
    651.1×
  181. 181MiaoliTaiwan, Taiwan
    651.1×
  182. 181SaikiOita, Japan
    651.1×
  183. 181Sydneylow-cost sensorsNew South Wales, Australia
    651.1×
  184. 181SarajevoFederation of B&H, Bosnia and Herzegovina
    651.1×
  185. 181GainesvilleFlorida, United States
    651.1×
  186. 181Baton RougeLouisiana, United States
    651.1×
  187. 187HayangGyeongsangbuk-do, South Korea
    651.1×
  188. 187ChinjuGyeongsangnam-do, South Korea
    651.1×
  189. 187KatowiceSilesia, Poland
    651.1×
  190. 187SaginawTexas, United States
    651.1×
  191. 187MidwayFlorida, United States
    651.1×
  192. 192Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    641.1×
  193. 192Si Maha PhotPrachin Buri, Thailand
    641.1×
  194. 192BuziTaiwan, Taiwan
    641.1×
  195. 192PohangGyeongsangbuk-do, South Korea
    641.1×
  196. 192Ferry PassFlorida, United States
    641.1×
  197. 192LakelandFlorida, United States
    641.1×
  198. 192TaoyuanTaiwan, Taiwan
    641.1×
  199. 199KielceŚwiętokrzyskie, Poland
    641.1×
  200. 199MokpoJeollanam-do, South Korea
    641.1×

Top 200 of 2,223 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 8, 2024, smogrank.com/history/2024-08-08 (accessed 3 Oct 2026).

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