SmogRank / History / August 6, 2023

Most polluted cities on August 6, 2023

1,796 cities ranked by their average PM2.5 over the day; the worst was Badger, United States, at 118.0 µg/m³. Each city's own local calendar day.

← Badger 118.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for August 6, 2023, 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. 1BadgerAlaska, United States
    1957.9×
  2. 2FairbanksAlaska, United States
    1857.0×
  3. 3TemucoAraucania, Chile
    1846.8×
  4. 4OsornoLos Lagos Region, Chile
    1786.3×
  5. 5Swift CurrentSaskatchewan, Canada
    1776.2×
  6. 6NacimientoBiobio, Chile
    1745.9×
  7. 7La UniónLos Ríos Region, Chile
    1655.1×
  8. 8HualquiBiobio, Chile
    1634.8×
  9. 8Fort McMurrayAlberta, Canada
    1634.8×
  10. 10SzegedCsongrád, Hungary
    1624.8×
  11. 11Los ÁngelesBiobio, Chile
    1614.7×
  12. 12CuranilahueBiobio, Chile
    1614.6×
  13. 13DushanbeDushanbe, Tajikistan
    1594.5×
  14. 14ManamaManama, Bahrain
    1574.3×
  15. 15ChillánÑuble, Chile
    1564.2×
  16. 16ValdiviaLos Ríos Region, Chile
    1554.1×
  17. 17Puerto VarasLos Lagos Region, Chile
    1533.9×
  18. 18ReginaSaskatchewan, Canada
    1523.8×
  19. 19LinaresMaule Region, Chile
    1523.8×
  20. 20RancaguaO'Higgins Region, Chile
    1503.7×
  21. 21Prince AlbertSaskatchewan, Canada
    1493.7×
  22. 22KigaliKigali, Rwanda
    1453.5×
  23. 23RengoO'Higgins Region, Chile
    1443.5×
  24. 24CauquenesMaule Region, Chile
    1433.5×
  25. 25JakartaJakarta, Indonesia
    1363.3×
  26. 25CuricóMaule Region, Chile
    1363.3×
  27. 25VernonBritish Columbia, Canada
    1363.3×
  28. 28San CarlosÑuble, Chile
    1353.3×
  29. 29CoronelBiobio, Chile
    1333.2×
  30. 30TalcahuanoBiobio, Chile
    1182.8×
  31. 31Dhakalow-cost sensorsDhaka Division, Bangladesh
    1152.8×
  32. 32TalaganteSantiago Metropolitan, Chile
    1102.6×
  33. 33SaskatoonSaskatchewan, Canada
    1102.6×
  34. 34CoyhaiqueAysén, Chile
    1092.6×
  35. 35TalcaMaule Region, Chile
    1082.6×
  36. 35SantiagoSantiago Metropolitan, Chile
    1082.6×
  37. 37CalexicoCalifornia, United States
    1062.5×
  38. 38São PauloSão Paulo, Brazil
    1042.5×
  39. 39Puente AltoSantiago Metropolitan, Chile
    1022.4×
  40. 40Lahorelow-cost sensorsPunjab, Pakistan
    1002.4×
  41. 41MexicaliBaja California, Mexico
    992.3×
  42. 42Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    972.2×
  43. 43BakuBaki, Azerbaijan
    962.2×
  44. 44ConcepciónBiobio, Chile
    962.2×
  45. 45San Pedro de la PazBiobio, Chile
    952.2×
  46. 46Santa Anita - Los FicusLima region, Peru
    942.2×
  47. 47KelownaBritish Columbia, Canada
    942.1×
  48. 48ChiguayanteBiobio, Chile
    932.1×
  49. 49Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    922.1×
  50. 50PentictonBritish Columbia, Canada
    902.0×
  51. 51KolkataWest Bengal, India
    892.0×
  52. 52ChennaiTamil Nadu, India
    881.9×
  53. 52ToméBiobio, Chile
    881.9×
  54. 54Addis AbabaAddis Ababa, Ethiopia
    871.9×
  55. 55Puerto AysénAysén, Chile
    861.9×
  56. 56CatañoCataño, Puerto Rico
    851.8×
  57. 57LimaLima Province, Peru
    851.8×
  58. 58JeddahMecca Region, Saudi Arabia
    821.7×
  59. 59DelhiDelhi, India
    821.7×
  60. 60Puerto MonttLos Lagos Region, Chile
    821.7×
  61. 61QuillotaValparaiso, Chile
    821.7×
  62. 62AntofagastaAntofagasta, Chile
    811.7×
  63. 63Islamabadlow-cost sensorsIslamabad, Pakistan
    811.7×
  64. 64KelheimBavaria, Germany
    801.6×
  65. 65CoquimboCoquimbo Region, Chile
    791.6×
  66. 65CranbrookBritish Columbia, Canada
    791.6×
  67. 67DrummondvilleQuebec, Canada
    791.6×
  68. 68Karachilow-cost sensorsSindh, Pakistan
    791.6×
  69. 69Alto HospicioTarapacá, Chile
    791.6×
  70. 69BensalemPennsylvania, United States
    791.6×
  71. 71Şabāḩ as SālimMubārak al Kabīr, Kuwait
    781.6×
  72. 72PristinaPristina, Kosovo
    771.5×
  73. 72BamakoBamako, Mali
    771.5×
  74. 72PhiladelphiaPennsylvania, United States
    771.5×
  75. 75SalorTashkent Region, Uzbekistan
    771.5×
  76. 76LotaBiobio, Chile
    761.5×
  77. 76Prince GeorgeBritish Columbia, Canada
    761.5×
  78. 78KamloopsBritish Columbia, Canada
    751.5×
  79. 78San Salvador TizatlalliMéxico, Mexico
    751.5×
  80. 80Saint CloudMinnesota, United States
    741.4×
  81. 81New BrunswickNew Jersey, United States
    741.4×
  82. 81EdmontonAlberta, Canada
    741.4×
  83. 83NewarkDelaware, United States
    731.4×
  84. 83ClintonIowa, United States
    731.4×
  85. 83Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada
    731.4×
  86. 86NagaiYamagata, Japan
    731.4×
  87. 86Eau ClaireWisconsin, United States
    731.4×
  88. 88GuangzhouGuangdong, China
    731.4×
  89. 88AricaArica y Parinacota Region, Chile
    731.4×
  90. 88PennsaukenNew Jersey, United States
    731.4×
  91. 91Nong KhaemBangkok, Thailand
    731.4×
  92. 91QuinteroValparaiso, Chile
    731.4×
  93. 93HanoiHanoi, Vietnam
    721.4×
  94. 93RochesterMinnesota, United States
    721.4×
  95. 95HuelvaAndalusia, Spain
    721.4×
  96. 96CopiapóAtacama, Chile
    711.3×
  97. 97TocopillaAntofagasta, Chile
    711.3×
  98. 98San Francisco TlalcilalcalpanMéxico, Mexico
    711.3×
  99. 98RockfordIllinois, United States
    711.3×
  100. 98BurnsvilleMinnesota, United States
    711.3×
  101. 101ElizabethNew Jersey, United States
    701.3×
  102. 101TrentonNew Jersey, United States
    701.3×
  103. 101ScrantonPennsylvania, United States
    701.3×
  104. 104Victoria de DurangoDurango, Mexico
    701.3×
  105. 104BethlehemPennsylvania, United States
    701.3×
  106. 106HollandMichigan, United States
    701.3×
  107. 107Viña del MarValparaiso, Chile
    701.3×
  108. 107Saint PaulMinnesota, United States
    701.3×
  109. 107ShakopeeMinnesota, United States
    701.3×
  110. 110Ciudad ApodacaNuevo León, Mexico
    701.3×
  111. 111Saint MichaelMinnesota, United States
    691.3×
  112. 112HyderabadTelangana, India
    691.3×
  113. 112SarajevoFederation of B&H, Bosnia and Herzegovina
    691.3×
  114. 112Toms RiverNew Jersey, United States
    691.3×
  115. 115Los AngelesCalifornia, United States
    691.3×
  116. 116EwingNew Jersey, United States
    691.2×
  117. 117XonacatlánMéxico, Mexico
    691.2×
  118. 117MinneapolisMinnesota, United States
    691.2×
  119. 117SherbrookeQuebec, Canada
    691.2×
  120. 120La SerenaCoquimbo Region, Chile
    691.2×
  121. 120CelayaGuanajuato, Mexico
    691.2×
  122. 122ChesterPennsylvania, United States
    681.2×
  123. 123WilmingtonDelaware, United States
    681.2×
  124. 123PleasantvilleNew Jersey, United States
    681.2×
  125. 123La CrosseWisconsin, United States
    681.2×
  126. 126MolineIllinois, United States
    681.2×
  127. 126HarrisburgPennsylvania, United States
    681.2×
  128. 128Samut SakhonSamut Sakhon, Thailand
    671.2×
  129. 129Apple ValleyMinnesota, United States
    671.2×
  130. 129AllentownPennsylvania, United States
    671.2×
  131. 131Villa Poeta José Gálvez BarrenecheaLima region, Peru
    671.2×
  132. 131LindenNew Jersey, United States
    671.2×
  133. 131LancasterPennsylvania, United States
    671.2×
  134. 131LebanonPennsylvania, United States
    671.2×
  135. 135BearDelaware, United States
    671.2×
  136. 135DoverDelaware, United States
    671.2×
  137. 135West FargoNorth Dakota, United States
    671.2×
  138. 138CalamaAntofagasta, Chile
    671.2×
  139. 138Ciudad JuárezChihuahua, Mexico
    671.2×
  140. 138New York CityNew York, United States
    671.2×
  141. 138Spokane ValleyWashington, United States
    671.2×
  142. 138LondonOntario, Canada
    671.2×
  143. 143Santa CatarinaNuevo León, Mexico
    661.2×
  144. 143DavenportIowa, United States
    661.2×
  145. 145WaterburyConnecticut, United States
    661.2×
  146. 146West MifflinPennsylvania, United States
    661.1×
  147. 146MadisonWisconsin, United States
    661.1×
  148. 148ConcónValparaiso, Chile
    661.1×
  149. 148DanburyConnecticut, United States
    661.1×
  150. 148NorristownPennsylvania, United States
    661.1×
  151. 151TijuanaBaja California, Mexico
    661.1×
  152. 152AppletonWisconsin, United States
    651.1×
  153. 153FontanaCalifornia, United States
    651.1×
  154. 154SakataYamagata, Japan
    651.1×
  155. 154Iowa CityIowa, United States
    651.1×
  156. 154ClevelandOhio, United States
    651.1×
  157. 154Jurupa ValleyCalifornia, United States
    651.1×
  158. 154CalgaryAlberta, Canada
    651.1×
  159. 159Wan ChaiWan Chai, Hong Kong
    651.1×
  160. 159SagaeYamagata, Japan
    651.1×
  161. 159San Andrés TuxtlaVeracruz, Mexico
    651.1×
  162. 159PatersonNew Jersey, United States
    651.1×
  163. 163BeijingBeijing, China
    651.1×
  164. 163ElktonMaryland, United States
    651.1×
  165. 165Ang Mo Kio New TownSingapore
    641.1×
  166. 166YamagataYamagata, Japan
    641.1×
  167. 166PeoriaIllinois, United States
    641.1×
  168. 166DuluthMinnesota, United States
    641.1×
  169. 169Grande PrairieAlberta, Canada
    641.1×
  170. 170Bang Bo DistrictSamut Prakan, Thailand
    641.1×
  171. 170TsuruokaYamagata, Japan
    641.1×
  172. 170YonezawaYamagata, Japan
    641.1×
  173. 170RiversideCalifornia, United States
    641.1×
  174. 174Phra PradaengSamut Prakan, Thailand
    631.1×
  175. 174ShinjōYamagata, Japan
    631.1×
  176. 174SliemaTas-Sliema, Malta
    631.1×
  177. 174ReadingPennsylvania, United States
    631.1×
  178. 174WaukeshaWisconsin, United States
    631.1×
  179. 174Coeur d'AleneIdaho, United States
    631.1×
  180. 174GranbyQuebec, Canada
    631.1×
  181. 181ZapopanJalisco, Mexico
    631.0×
  182. 181YakimaWashington, United States
    631.0×
  183. 181Fort St. JohnBritish Columbia, Canada
    631.0×
  184. 181WindsorOntario, Canada
    631.0×
  185. 185CórdobaAndalusia, Spain
    631.0×
  186. 185AlgecirasAndalusia, Spain
    631.0×
  187. 185HartfordConnecticut, United States
    631.0×
  188. 185Jersey CityNew Jersey, United States
    631.0×
  189. 185WarrenOhio, United States
    631.0×
  190. 185SpokaneWashington, United States
    631.0×
  191. 191South BendIndiana, United States
    631.0×
  192. 191DetroitMichigan, United States
    631.0×
  193. 191BurbankCalifornia, United States
    631.0×
  194. 191ComptonCalifornia, United States
    631.0×
  195. 191St. ThomasOntario, Canada
    631.0×
  196. 196CaryIllinois, United States
    631.0×
  197. 197MoriokaIwate, Japan
    631.0×
  198. 197DearbornMichigan, United States
    631.0×
  199. 197YoungstownOhio, United States
    631.0×
  200. 200Tuen MunTuen Mun, Hong Kong
    621.0×

Top 200 of 1,796 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

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SmogRank, most polluted cities, PM2.5, August 6, 2023, smogrank.com/history/2023-08-06 (accessed 2 Oct 2026).

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