SmogRank / History / June 24, 2023

Most polluted cities on June 24, 2023

1,306 cities ranked by their average PM2.5 over the day; the worst was Coyhaique, Chile, at 139.5 µg/m³. Each city's own local calendar day.

← Coyhaique 139.5 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for June 24, 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. 1CoyhaiqueAysén, Chile
    2159.3×
  2. 2SaguenayQuebec, Canada
    2149.3×
  3. 3DushanbeDushanbe, Tajikistan
    1745.9×
  4. 4Rouyn-NorandaQuebec, Canada
    1735.8×
  5. 5Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1544.0×
  6. 6TlaquepaqueJalisco, Mexico
    1533.9×
  7. 7Greater SudburyOntario, Canada
    1533.9×
  8. 8DelhiDelhi, India
    1533.9×
  9. 9Lahorelow-cost sensorsPunjab, Pakistan
    1493.7×
  10. 10OsornoLos Lagos Region, Chile
    1473.6×
  11. 11Puerto AysénAysén, Chile
    1443.5×
  12. 12Islamabadlow-cost sensorsIslamabad, Pakistan
    1423.5×
  13. 13KigaliKigali, Rwanda
    1373.4×
  14. 14Puerto VarasLos Lagos Region, Chile
    1303.1×
  15. 15Addis AbabaAddis Ababa, Ethiopia
    1253.0×
  16. 16La UniónLos Ríos Region, Chile
    1253.0×
  17. 17VigoGalicia, Spain
    1162.8×
  18. 18NairobiNairobi County, Kenya
    1052.5×
  19. 18North BayOntario, Canada
    1052.5×
  20. 20JakartaJakarta, Indonesia
    1052.5×
  21. 21São PauloSão Paulo, Brazil
    1032.4×
  22. 21Puerto MonttLos Lagos Region, Chile
    1032.4×
  23. 23AppletonWisconsin, United States
    1012.4×
  24. 24A CoruñaGalicia, Spain
    1002.3×
  25. 25PristinaPristina, Kosovo
    992.3×
  26. 26CuranilahueBiobio, Chile
    992.3×
  27. 27NacimientoBiobio, Chile
    972.3×
  28. 28BeijingBeijing, China
    952.2×
  29. 29DuluthMinnesota, United States
    942.1×
  30. 30Green BayWisconsin, United States
    942.1×
  31. 31TemucoAraucania, Chile
    932.1×
  32. 32CopiapóAtacama, Chile
    932.1×
  33. 33LimaLima Province, Peru
    922.1×
  34. 34Dhakalow-cost sensorsDhaka Division, Bangladesh
    902.0×
  35. 34SuperiorWisconsin, United States
    902.0×
  36. 36QuillotaValparaiso, Chile
    871.9×
  37. 37Villa Poeta José Gálvez BarrenecheaLima region, Peru
    861.8×
  38. 38HueytownAlabama, United States
    851.8×
  39. 38MadisonWisconsin, United States
    851.8×
  40. 40TeoGalicia, Spain
    831.8×
  41. 41AshgabatAshgabat, Turkmenistan
    831.8×
  42. 42RengoO'Higgins Region, Chile
    831.7×
  43. 43Viña del MarValparaiso, Chile
    831.7×
  44. 44Karachilow-cost sensorsSindh, Pakistan
    821.7×
  45. 45AntananarivoAnalamanga, Madagascar
    821.7×
  46. 46SantiagoSantiago Metropolitan, Chile
    821.7×
  47. 47TalaganteSantiago Metropolitan, Chile
    811.7×
  48. 48CoquimboCoquimbo Region, Chile
    801.7×
  49. 49Santiago de CompostelaGalicia, Spain
    801.6×
  50. 49DecaturIllinois, United States
    801.6×
  51. 51SarajevoFederation of B&H, Bosnia and Herzegovina
    801.6×
  52. 51BloomingtonIllinois, United States
    801.6×
  53. 53ChennaiTamil Nadu, India
    801.6×
  54. 53La SerenaCoquimbo Region, Chile
    801.6×
  55. 55AntofagastaAntofagasta, Chile
    791.6×
  56. 56SalamancaGuanajuato, Mexico
    791.6×
  57. 57Santa Anita - Los FicusLima region, Peru
    791.6×
  58. 58ManamaManama, Bahrain
    781.6×
  59. 59QuinteroValparaiso, Chile
    781.6×
  60. 59ConcónValparaiso, Chile
    781.6×
  61. 61JolietIllinois, United States
    781.6×
  62. 62HualpénBiobio, Chile
    781.6×
  63. 62ClintonIowa, United States
    781.6×
  64. 62RockfordIllinois, United States
    781.6×
  65. 65GuangzhouGuangdong, China
    771.6×
  66. 65AricaArica y Parinacota Region, Chile
    771.6×
  67. 67NapervilleIllinois, United States
    771.5×
  68. 68JeffersonvilleIndiana, United States
    771.5×
  69. 69BloomingtonIndiana, United States
    761.5×
  70. 70HanoiHanoi, Vietnam
    761.5×
  71. 71CalamaAntofagasta, Chile
    751.5×
  72. 71Ciudad JuárezChihuahua, Mexico
    751.5×
  73. 73Sault Ste. MarieOntario, Canada
    751.5×
  74. 74VentspilsVentspils, Latvia
    751.5×
  75. 74NišCentral Serbia, Serbia
    751.5×
  76. 76CoronelBiobio, Chile
    751.5×
  77. 77Grande PrairieAlberta, Canada
    741.4×
  78. 78Şabāḩ as SālimMubārak al Kabīr, Kuwait
    741.4×
  79. 79MolineIllinois, United States
    741.4×
  80. 80SpringfieldIllinois, United States
    731.4×
  81. 81BirminghamAlabama, United States
    731.4×
  82. 82HernandoMississippi, United States
    721.4×
  83. 83CelayaGuanajuato, Mexico
    721.4×
  84. 84Terre HauteIndiana, United States
    721.4×
  85. 84JeffersontownKentucky, United States
    721.4×
  86. 84WaukeshaWisconsin, United States
    721.4×
  87. 87ColomboWestern Province, Sri Lanka
    721.3×
  88. 87Donostia / San SebastiánBasque Country, Spain
    721.3×
  89. 89ŻabbarĦaż-Żabbar, Malta
    711.3×
  90. 90SliemaTas-Sliema, Malta
    711.3×
  91. 90Saint MatthewsKentucky, United States
    711.3×
  92. 92Puente AltoSantiago Metropolitan, Chile
    711.3×
  93. 92EdmundstonNew Brunswick, Canada
    711.3×
  94. 94KalamazooMichigan, United States
    711.3×
  95. 95ChillánÑuble, Chile
    711.3×
  96. 96LouisvilleKentucky, United States
    701.3×
  97. 96DavenportIowa, United States
    701.3×
  98. 98ParadiseCalifornia, United States
    701.3×
  99. 99DurangoBasque Country, Spain
    691.3×
  100. 99Alto HospicioTarapacá, Chile
    691.3×
  101. 99Little RockArkansas, United States
    691.3×
  102. 102MuscatineIowa, United States
    691.2×
  103. 102Calumet CityIllinois, United States
    691.2×
  104. 104Laudio / LlodioBasque Country, Spain
    691.2×
  105. 104HualquiBiobio, Chile
    691.2×
  106. 104EvansvilleIndiana, United States
    691.2×
  107. 104LafayetteIndiana, United States
    691.2×
  108. 108LotaBiobio, Chile
    681.2×
  109. 108Iowa CityIowa, United States
    681.2×
  110. 110LugoGalicia, Spain
    681.2×
  111. 111ColumbusIndiana, United States
    681.2×
  112. 112OwensboroKentucky, United States
    671.2×
  113. 112Valley StationKentucky, United States
    671.2×
  114. 114HammondIndiana, United States
    671.2×
  115. 115Granite CityIllinois, United States
    671.2×
  116. 116EdmontonAlberta, Canada
    671.2×
  117. 117PesaroThe Marches, Italy
    661.2×
  118. 117East Saint LouisIllinois, United States
    661.2×
  119. 117ElizabethtownKentucky, United States
    661.2×
  120. 117HollandMichigan, United States
    661.2×
  121. 121CincinnatiOhio, United States
    661.2×
  122. 121CaryIllinois, United States
    661.2×
  123. 121San Pedro de la PazBiobio, Chile
    661.2×
  124. 124La CrosseWisconsin, United States
    661.1×
  125. 125BilbaoBasque Country, Spain
    661.1×
  126. 126TocopillaAntofagasta, Chile
    661.1×
  127. 126IndianapolisIndiana, United States
    661.1×
  128. 126St. LouisMissouri, United States
    661.1×
  129. 129PaducahKentucky, United States
    651.1×
  130. 129MontgomeryAlabama, United States
    651.1×
  131. 129East RidgeTennessee, United States
    651.1×
  132. 132Fort ThomasKentucky, United States
    651.1×
  133. 133RabinalBaja Verapaz, Guatemala
    651.1×
  134. 133Guatemala CityGuatemala, Guatemala
    651.1×
  135. 133San CarlosÑuble, Chile
    651.1×
  136. 133SpringdaleArkansas, United States
    651.1×
  137. 133Fort St. JohnBritish Columbia, Canada
    651.1×
  138. 138JacksonTennessee, United States
    651.1×
  139. 139Collado-VillalbaMadrid, Spain
    641.1×
  140. 139JacksonMississippi, United States
    641.1×
  141. 139Eau ClaireWisconsin, United States
    641.1×
  142. 142SofiaSofia-Capital, Bulgaria
    641.1×
  143. 142KolkataWest Bengal, India
    641.1×
  144. 142RancaguaO'Higgins Region, Chile
    641.1×
  145. 145GuanajuatoGuanajuato, Mexico
    641.1×
  146. 145BartlettTennessee, United States
    641.1×
  147. 147Naucalpan de JuárezMéxico, Mexico
    641.1×
  148. 148Bang Bo DistrictSamut Prakan, Thailand
    641.1×
  149. 148MostaIl-Mosta, Malta
    641.1×
  150. 148Alcalá de HenaresMadrid, Spain
    641.1×
  151. 151San RoqueAndalusia, Spain
    631.1×
  152. 152LisbonLisbon, Portugal
    631.0×
  153. 152TrussvilleAlabama, United States
    631.0×
  154. 152NorwoodOhio, United States
    631.0×
  155. 155ChattanoogaTennessee, United States
    631.0×
  156. 155DyersburgTennessee, United States
    631.0×
  157. 157BremenBremen, Germany
    631.0×
  158. 157South MilwaukeeWisconsin, United States
    631.0×
  159. 159TalcahuanoBiobio, Chile
    631.0×
  160. 159GadsdenAlabama, United States
    631.0×
  161. 159West MemphisArkansas, United States
    631.0×
  162. 159AnkenyIowa, United States
    631.0×
  163. 163CuricóMaule Region, Chile
    621.0×
  164. 163New AlbanyIndiana, United States
    621.0×
  165. 163WaterlooIowa, United States
    621.0×
  166. 166FerrolGalicia, Spain
    621.0×
  167. 166León de los AldamaGuanajuato, Mexico
    621.0×
  168. 166HuntsvilleAlabama, United States
    621.0×
  169. 169ValdiviaLos Ríos Region, Chile
    621.0×
  170. 169San Luis de la PazGuanajuato, Mexico
    621.0×
  171. 169Ferry PassFlorida, United States
    621.0×
  172. 169HattiesburgMississippi, United States
    621.0×
  173. 173Los ÁngelesBiobio, Chile
    621.0×
  174. 173MiamiFlorida, United States
    621.0×
  175. 175Nong KhaemBangkok, Thailand
    621.0×
  176. 175ChicagoIllinois, United States
    621.0×
  177. 175PortageIndiana, United States
    621.0×
  178. 178AbasoloGuanajuato, Mexico
    611.0×
  179. 178Franklin ParkIllinois, United States
    611.0×
  180. 178GaryIndiana, United States
    611.0×
  181. 178Grand RapidsMichigan, United States
    611.0×
  182. 182HyderabadTelangana, India
    611.0×
  183. 182Des PlainesIllinois, United States
    611.0×
  184. 182Oak LawnIllinois, United States
    611.0×
  185. 182ElkhartIndiana, United States
    611.0×
  186. 182BakersfieldCalifornia, United States
    611.0×
  187. 187ShenyangLiaoning, China
    611.0×
  188. 187MilwaukeeWisconsin, United States
    611.0×
  189. 189ViveiroGalicia, Spain
    611.0×
  190. 190Almatylow-cost sensorsAlmaty, Kazakhstan
    611.0×
  191. 190ToméBiobio, Chile
    611.0×
  192. 192CacémLisbon, Portugal
    610.9×
  193. 192ChiguayanteBiobio, Chile
    610.9×
  194. 192PrichardAlabama, United States
    610.9×
  195. 195DecaturAlabama, United States
    600.9×
  196. 195Phenix CityAlabama, United States
    600.9×
  197. 197HuelvaAndalusia, Spain
    600.9×
  198. 197NarónGalicia, Spain
    600.9×
  199. 197MóstolesMadrid, Spain
    600.9×
  200. 197AlgeteMadrid, Spain
    600.9×

Top 200 of 1,306 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, June 24, 2023, smogrank.com/history/2023-06-24 (accessed 2 Oct 2026).

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