SmogRank / History / August 12, 2024

Most polluted cities on August 12, 2024

2,318 cities ranked by their average PM2.5 over the day; the worst was Osorno, Chile, at 139.5 µg/m³. Each city's own local calendar day.

Bad-air episodes during August 12, 2024. All episodes.

← Osorno 139.5 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for August 12, 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. 1OsornoLos Lagos Region, Chile
    2159.3×
  2. 2Puerto VarasLos Lagos Region, Chile
    2038.5×
  3. 3La UniónLos Ríos Region, Chile
    1735.8×
  4. 4ValdiviaLos Ríos Region, Chile
    1665.1×
  5. 5TemucoAraucania, Chile
    1644.9×
  6. 6CoronelBiobio, Chile
    1594.4×
  7. 7HualquiBiobio, Chile
    1554.1×
  8. 8Dhakalow-cost sensorsDhaka Division, Bangladesh
    1544.0×
  9. 9Puerto AysénAysén, Chile
    1533.9×
  10. 9HualpénBiobio, Chile
    1533.9×
  11. 11Santa Anita - Los FicusLima region, Peru
    1523.8×
  12. 12VillarricaAraucania, Chile
    1513.7×
  13. 13CuranilahueBiobio, Chile
    1453.6×
  14. 14SantiagoSantiago Metropolitan, Chile
    1413.5×
  15. 15KhalándrionAttica, Greece
    1413.4×
  16. 16BaghdadBaghdad, Iraq
    1373.3×
  17. 16Puerto MonttLos Lagos Region, Chile
    1373.3×
  18. 18RancaguaO'Higgins Region, Chile
    1363.3×
  19. 19Kampalalow-cost sensorsCentral Region, Uganda
    1323.2×
  20. 20TalaganteSantiago Metropolitan, Chile
    1233.0×
  21. 21Prince GeorgeBritish Columbia, Canada
    1222.9×
  22. 22RengoO'Higgins Region, Chile
    1212.9×
  23. 23Puente AltoSantiago Metropolitan, Chile
    1192.9×
  24. 24TalcahuanoBiobio, Chile
    1142.7×
  25. 25BendOregon, United States
    1132.7×
  26. 26JakartaJakarta, Indonesia
    1132.7×
  27. 27Addis AbabaAddis Ababa, Ethiopia
    1122.7×
  28. 28ToméBiobio, Chile
    1052.5×
  29. 29AntananarivoAnalamanga, Madagascar
    1042.4×
  30. 30Grande PrairieAlberta, Canada
    1032.4×
  31. 31ConcepciónBiobio, Chile
    1022.4×
  32. 32CauquenesMaule Region, Chile
    1022.4×
  33. 33CairoCairo, Egypt
    1002.4×
  34. 34QuillotaValparaiso, Chile
    982.3×
  35. 35CoyhaiqueAysén, Chile
    982.3×
  36. 36QuinteroValparaiso, Chile
    972.2×
  37. 37ManamaManama, Bahrain
    962.2×
  38. 38LimaLima Province, Peru
    952.2×
  39. 39Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    932.1×
  40. 40TalcaMaule Region, Chile
    932.1×
  41. 41QuilpuéValparaiso, Chile
    922.1×
  42. 42Abujalow-cost sensorsFCT, Nigeria
    902.0×
  43. 43Collado-VillalbaMadrid, Spain
    861.9×
  44. 44JinchengFukien, Taiwan
    861.9×
  45. 45Lahorelow-cost sensorsPunjab, Pakistan
    851.8×
  46. 46Şabāḩ as SālimMubārak al Kabīr, Kuwait
    851.8×
  47. 46KolkataWest Bengal, India
    851.8×
  48. 46RedmondOregon, United States
    851.8×
  49. 49CuricóMaule Region, Chile
    841.8×
  50. 50AltamontOregon, United States
    831.8×
  51. 51La SerenaCoquimbo Region, Chile
    831.7×
  52. 52ChillánÑuble, Chile
    821.7×
  53. 53Jacobo HunterArequipa, Peru
    811.7×
  54. 54AntofagastaAntofagasta, Chile
    811.7×
  55. 55San Pedro de la PazBiobio, Chile
    811.7×
  56. 56TocopillaAntofagasta, Chile
    801.6×
  57. 56CoquimboCoquimbo Region, Chile
    801.6×
  58. 58RenoNevada, United States
    791.6×
  59. 59AlgiersAlgiers, Algeria
    791.6×
  60. 60ConroeTexas, United States
    791.6×
  61. 61DelhiDelhi, India
    781.6×
  62. 61Sydneylow-cost sensorsNew South Wales, Australia
    781.6×
  63. 61KomárnoNitra Region, Slovakia
    781.6×
  64. 64CopiapóAtacama, Chile
    771.6×
  65. 65CallaoCallao, Peru
    771.5×
  66. 66Icheon-siGyeonggi-do, South Korea
    771.5×
  67. 66MóstolesMadrid, Spain
    771.5×
  68. 68HanamGyeonggi-do, South Korea
    761.5×
  69. 69NonsanChungcheongnam-do, South Korea
    761.5×
  70. 69Asunciónlow-cost sensorsAsuncion, Paraguay
    761.5×
  71. 71MeridianIdaho, United States
    761.5×
  72. 72KobayashiMiyazaki, Japan
    751.5×
  73. 73RangioraCanterbury, New Zealand
    751.5×
  74. 74NamyangjuGyeonggi-do, South Korea
    751.5×
  75. 75Great FallsMontana, United States
    741.4×
  76. 76HitoyoshiKumamoto, Japan
    741.4×
  77. 77CalamaAntofagasta, Chile
    731.4×
  78. 77San Francisco De BorjaLima region, Peru
    731.4×
  79. 79Ban Talat BuengChon Buri, Thailand
    731.4×
  80. 79NampaIdaho, United States
    731.4×
  81. 81JeongeupJeollabuk-do, South Korea
    731.4×
  82. 82Guri-siGyeonggi-do, South Korea
    731.4×
  83. 83RoveretoTrentino-Alto Adige, Italy
    721.4×
  84. 84AsoKumamoto, Japan
    721.4×
  85. 85BolzanoTrentino-Alto Adige, Italy
    721.4×
  86. 86NichinanMiyazaki, Japan
    721.3×
  87. 87SeoulSeoul, South Korea
    711.3×
  88. 87Medina del CampoCastille and León, Spain
    711.3×
  89. 89HwasunJeollanam-do, South Korea
    711.3×
  90. 90Los ÁngelesBiobio, Chile
    711.3×
  91. 91TangjinChungcheongnam-do, South Korea
    711.3×
  92. 91DamyangJeollanam-do, South Korea
    711.3×
  93. 93Chinch'ŏnNorth Chungcheong, South Korea
    711.3×
  94. 94GostivarGostivar, North Macedonia
    701.3×
  95. 94BoiseIdaho, United States
    701.3×
  96. 96WŏnjuGangwon-do, South Korea
    701.3×
  97. 96BoseongJeollanam-do, South Korea
    701.3×
  98. 98Yangp'yŏngGyeonggi-do, South Korea
    701.3×
  99. 98NitraNitra Region, Slovakia
    701.3×
  100. 98TrentoTrentino-Alto Adige, Italy
    701.3×
  101. 101OurenseGalicia, Spain
    701.3×
  102. 102GwangjuGyeonggi-do, South Korea
    691.3×
  103. 102San RoqueAndalusia, Spain
    691.3×
  104. 102PezinokBratislava Region, Slovakia
    691.3×
  105. 102AricaArica y Parinacota Region, Chile
    691.3×
  106. 106MiyakonojōMiyazaki, Japan
    691.3×
  107. 106ValladolidCastille and León, Spain
    691.3×
  108. 106Villa Poeta José Gálvez BarrenecheaLima region, Peru
    691.3×
  109. 109SeonghwanChungcheongnam-do, South Korea
    691.2×
  110. 109BellinzonaTicino, Switzerland
    691.2×
  111. 109Baton RougeLouisiana, United States
    691.2×
  112. 109DuluthMinnesota, United States
    691.2×
  113. 113OsanGyeonggi-do, South Korea
    691.2×
  114. 114ŌtsukiYamanashi, Japan
    691.2×
  115. 115PyeongtaekGyeonggi-do, South Korea
    681.2×
  116. 115ŌzuKumamoto, Japan
    681.2×
  117. 115JaénAndalusia, Spain
    681.2×
  118. 115MiyakojimaOkinawa, Japan
    681.2×
  119. 115Lat KrabangBangkok, Thailand
    681.2×
  120. 120WanjuJeollabuk-do, South Korea
    681.2×
  121. 120KimjeJeollabuk-do, South Korea
    681.2×
  122. 122KwangyangJeollanam-do, South Korea
    681.2×
  123. 122JungpyongNorth Chungcheong, South Korea
    681.2×
  124. 122CheorwonGangwon-do, South Korea
    681.2×
  125. 125AsanChungcheongnam-do, South Korea
    681.2×
  126. 126BitolaBitola, North Macedonia
    681.2×
  127. 126MukdahanMukdahan, Thailand
    681.2×
  128. 128YesanChungcheongnam-do, South Korea
    671.2×
  129. 128JangheungJeollanam-do, South Korea
    671.2×
  130. 128WabuGyeonggi-do, South Korea
    671.2×
  131. 128MitoIbaraki, Japan
    671.2×
  132. 132SejongSejong-si, South Korea
    671.2×
  133. 133GuangzhouGuangdong, China
    671.2×
  134. 133YeojuGyeonggi-do, South Korea
    671.2×
  135. 133GapyeongGyeonggi-do, South Korea
    671.2×
  136. 133PubalGyeonggi-do, South Korea
    671.2×
  137. 137JeonjuJeollabuk-do, South Korea
    671.2×
  138. 137SereďTrnava Region, Slovakia
    671.2×
  139. 137AyaseKanagawa, Japan
    671.2×
  140. 140OkcheonNorth Chungcheong, South Korea
    671.2×
  141. 140CheonanChungcheongnam-do, South Korea
    671.2×
  142. 140ToledoCastille-La Mancha, Spain
    671.2×
  143. 143HumennéPrešov Region, Slovakia
    661.2×
  144. 143ChennaiTamil Nadu, India
    661.2×
  145. 143MilanLombardy, Italy
    661.2×
  146. 143Spanish SpringsNevada, United States
    661.2×
  147. 143Prince AlbertSaskatchewan, Canada
    661.2×
  148. 148NamsaJeollabuk-do, South Korea
    661.2×
  149. 148Seongnam-siGyeonggi-do, South Korea
    661.2×
  150. 148GwangmyeongGyeonggi-do, South Korea
    661.2×
  151. 151SuwonGyeonggi-do, South Korea
    661.1×
  152. 152Ganghwa-gunIncheon, South Korea
    661.1×
  153. 152IksanJeollabuk-do, South Korea
    661.1×
  154. 154KalasinKalasin, Thailand
    661.1×
  155. 154NangenJeollabuk-do, South Korea
    661.1×
  156. 154MinamataKumamoto, Japan
    661.1×
  157. 154KikuchiKumamoto, Japan
    661.1×
  158. 154KirishimaKagoshima, Japan
    661.1×
  159. 159Wan ChaiWan Chai, Hong Kong
    661.1×
  160. 159GimcheonGyeongsangbuk-do, South Korea
    661.1×
  161. 159ChungjuNorth Chungcheong, South Korea
    661.1×
  162. 159PúchovTrenčín Region, Slovakia
    661.1×
  163. 159Laudio / LlodioBasque Country, Spain
    661.1×
  164. 159El PasoTexas, United States
    661.1×
  165. 165LewistonIdaho, United States
    651.1×
  166. 166Karachilow-cost sensorsSindh, Pakistan
    651.1×
  167. 166ChangsuJeollabuk-do, South Korea
    651.1×
  168. 166InnsbruckTyrol, Austria
    651.1×
  169. 166TrnavaTrnava Region, Slovakia
    651.1×
  170. 166AugustaGeorgia, United States
    651.1×
  171. 166MissoulaMontana, United States
    651.1×
  172. 172Thunder BayOntario, Canada
    651.1×
  173. 173Goyang-siGyeonggi-do, South Korea
    641.1×
  174. 173Gimpo-siGyeonggi-do, South Korea
    641.1×
  175. 173IncheonIncheon, South Korea
    641.1×
  176. 173TamanaKumamoto, Japan
    641.1×
  177. 173NobeokaMiyazaki, Japan
    641.1×
  178. 173MarigotSaint Martin
    641.1×
  179. 173Fort LauderdaleFlorida, United States
    641.1×
  180. 180ReginaSaskatchewan, Canada
    641.1×
  181. 180HadongGyeongsangnam-do, South Korea
    641.1×
  182. 182BakuBaki, Azerbaijan
    641.1×
  183. 182Cheongju-siNorth Chungcheong, South Korea
    641.1×
  184. 182Gasteiz / VitoriaBasque Country, Spain
    641.1×
  185. 185GongjuChungcheongnam-do, South Korea
    641.1×
  186. 185HoustonTexas, United States
    641.1×
  187. 187Uijeongbu-siGyeonggi-do, South Korea
    641.1×
  188. 187Jinan-gunJeollabuk-do, South Korea
    641.1×
  189. 187Coeur d'AleneIdaho, United States
    641.1×
  190. 190Anyang-siGyeonggi-do, South Korea
    631.1×
  191. 190SuperiorWisconsin, United States
    631.1×
  192. 192Amnat CharoenAmnat Charoen, Thailand
    631.0×
  193. 192GunsanJeollabuk-do, South Korea
    631.0×
  194. 192GumiGyeongsangbuk-do, South Korea
    631.0×
  195. 192PalenciaCastille and León, Spain
    631.0×
  196. 196PrešovPrešov Region, Slovakia
    631.0×
  197. 196KoesanNorth Chungcheong, South Korea
    631.0×
  198. 196HayangGyeongsangbuk-do, South Korea
    631.0×
  199. 196TakanabeMiyazaki, Japan
    631.0×
  200. 196SaikiOita, Japan
    631.0×

Top 200 of 2,318 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 12, 2024, smogrank.com/history/2024-08-12 (accessed 3 Oct 2026).

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