SmogRank / History / July 16, 2023

Most polluted cities on July 16, 2023

767 cities ranked by their average PM2.5 over the day; the worst was Grande Prairie, Canada, at 154.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during July 16, 2023. All episodes.

← Grande Prairie 154.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for July 16, 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. 1Grande PrairieAlberta, Canada
    22910.3×
  2. 2DushanbeDushanbe, Tajikistan
    2119.1×
  3. 3OsornoLos Lagos Region, Chile
    1917.5×
  4. 4EdmontonAlberta, Canada
    1907.4×
  5. 5HualpénBiobio, Chile
    1856.9×
  6. 6Medicine HatAlberta, Canada
    1776.1×
  7. 7Fort St. JohnBritish Columbia, Canada
    1766.1×
  8. 8Puerto VarasLos Lagos Region, Chile
    1725.7×
  9. 9TemucoAraucania, Chile
    1715.6×
  10. 10Puerto MonttLos Lagos Region, Chile
    1705.5×
  11. 11CoyhaiqueAysén, Chile
    1675.2×
  12. 12RancaguaO'Higgins Region, Chile
    1665.1×
  13. 13BloomingtonIllinois, United States
    1644.9×
  14. 14SantiagoSantiago Metropolitan, Chile
    1634.8×
  15. 15AnkenyIowa, United States
    1604.6×
  16. 16Puente AltoSantiago Metropolitan, Chile
    1594.4×
  17. 17Sioux FallsSouth Dakota, United States
    1594.4×
  18. 18Puerto AysénAysén, Chile
    1584.4×
  19. 19Des MoinesIowa, United States
    1584.4×
  20. 20Swift CurrentSaskatchewan, Canada
    1584.3×
  21. 21Iowa CityIowa, United States
    1564.2×
  22. 22TalaganteSantiago Metropolitan, Chile
    1564.1×
  23. 23MolineIllinois, United States
    1554.1×
  24. 24HualquiBiobio, Chile
    1554.0×
  25. 25RengoO'Higgins Region, Chile
    1544.0×
  26. 26DavenportIowa, United States
    1533.9×
  27. 27ValdiviaLos Ríos Region, Chile
    1533.9×
  28. 28CoronelBiobio, Chile
    1533.9×
  29. 29Red DeerAlberta, Canada
    1533.8×
  30. 30JolietIllinois, United States
    1523.8×
  31. 31DecaturIllinois, United States
    1513.7×
  32. 32Calumet CityIllinois, United States
    1513.7×
  33. 33Rapid CitySouth Dakota, United States
    1503.7×
  34. 34CuricóMaule Region, Chile
    1483.6×
  35. 35La UniónLos Ríos Region, Chile
    1453.6×
  36. 36MuscatineIowa, United States
    1453.5×
  37. 37Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1433.5×
  38. 38East ChicagoIndiana, United States
    1423.5×
  39. 39LethbridgeAlberta, Canada
    1413.5×
  40. 40SpringfieldIllinois, United States
    1373.4×
  41. 40St. AlbertAlberta, Canada
    1373.4×
  42. 42Lahorelow-cost sensorsPunjab, Pakistan
    1373.3×
  43. 43BrookingsSouth Dakota, United States
    1363.3×
  44. 44HammondIndiana, United States
    1353.3×
  45. 45LinaresMaule Region, Chile
    1343.2×
  46. 46TalcahuanoBiobio, Chile
    1333.2×
  47. 47WaterlooIowa, United States
    1333.2×
  48. 48Franklin ParkIllinois, United States
    1333.2×
  49. 49NapervilleIllinois, United States
    1323.2×
  50. 50NacimientoBiobio, Chile
    1303.2×
  51. 51CalgaryAlberta, Canada
    1303.1×
  52. 52LafayetteIndiana, United States
    1273.1×
  53. 53QuillotaValparaiso, Chile
    1273.1×
  54. 54Des PlainesIllinois, United States
    1263.0×
  55. 55GaryIndiana, United States
    1253.0×
  56. 56IndianapolisIndiana, United States
    1233.0×
  57. 56LouisvilleKentucky, United States
    1233.0×
  58. 58RockfordIllinois, United States
    1222.9×
  59. 58AndersonIndiana, United States
    1222.9×
  60. 60NorthbrookIllinois, United States
    1182.8×
  61. 61CoquimboCoquimbo Region, Chile
    1182.8×
  62. 62KokomoIndiana, United States
    1172.8×
  63. 63Terre HauteIndiana, United States
    1162.8×
  64. 63OwensboroKentucky, United States
    1162.8×
  65. 65JeffersontownKentucky, United States
    1162.8×
  66. 66JakartaJakarta, Indonesia
    1162.8×
  67. 67JeffersonvilleIndiana, United States
    1152.7×
  68. 67AirdrieAlberta, Canada
    1152.7×
  69. 69HanoiHanoi, Vietnam
    1142.7×
  70. 69BloomingtonIndiana, United States
    1142.7×
  71. 69CaryIllinois, United States
    1142.7×
  72. 72PaducahKentucky, United States
    1122.7×
  73. 73PortageIndiana, United States
    1102.6×
  74. 74White OakOhio, United States
    1102.6×
  75. 75TlaquepaqueJalisco, Mexico
    1092.6×
  76. 76South BendIndiana, United States
    1092.6×
  77. 77DaytonOhio, United States
    1072.5×
  78. 77NorwoodOhio, United States
    1072.5×
  79. 79ConcepciónBiobio, Chile
    1072.5×
  80. 80Saint MatthewsKentucky, United States
    1072.5×
  81. 81San CarlosÑuble, Chile
    1062.5×
  82. 82FishersIndiana, United States
    1062.5×
  83. 83ElizabethtownKentucky, United States
    1052.5×
  84. 84CuranilahueBiobio, Chile
    1052.5×
  85. 85Valley StationKentucky, United States
    1042.4×
  86. 86Dhakalow-cost sensorsDhaka Division, Bangladesh
    1042.4×
  87. 87TalcaMaule Region, Chile
    1032.4×
  88. 88SpringfieldOhio, United States
    1032.4×
  89. 89La SerenaCoquimbo Region, Chile
    1022.4×
  90. 90CincinnatiOhio, United States
    1012.4×
  91. 91MiddletownOhio, United States
    1002.4×
  92. 92MadisonWisconsin, United States
    992.3×
  93. 93PristinaPristina, Kosovo
    992.3×
  94. 94ClarksvilleTennessee, United States
    982.3×
  95. 95ClevelandOhio, United States
    982.3×
  96. 96WatertownSouth Dakota, United States
    982.3×
  97. 97SarajevoFederation of B&H, Bosnia and Herzegovina
    972.3×
  98. 97QuinteroValparaiso, Chile
    972.3×
  99. 99SalorTashkent Region, Uzbekistan
    972.3×
  100. 100AppletonWisconsin, United States
    972.2×
  101. 101ConcónValparaiso, Chile
    962.2×
  102. 101LimaOhio, United States
    962.2×
  103. 103East Saint LouisIllinois, United States
    962.2×
  104. 103Shaker HeightsOhio, United States
    962.2×
  105. 105Fort ThomasKentucky, United States
    962.2×
  106. 105La CrosseWisconsin, United States
    962.2×
  107. 107Viña del MarValparaiso, Chile
    952.2×
  108. 108OmahaNebraska, United States
    952.2×
  109. 109GilletteWyoming, United States
    952.2×
  110. 110ToméBiobio, Chile
    942.2×
  111. 110ChicagoIllinois, United States
    942.2×
  112. 112MedinaOhio, United States
    932.1×
  113. 112ToledoOhio, United States
    932.1×
  114. 114Oak LawnIllinois, United States
    932.1×
  115. 115Addis AbabaAddis Ababa, Ethiopia
    922.1×
  116. 115ChillánÑuble, Chile
    922.1×
  117. 115AberdeenSouth Dakota, United States
    922.1×
  118. 118ElkhartIndiana, United States
    922.1×
  119. 118BillingsMontana, United States
    922.1×
  120. 120Islamabadlow-cost sensorsIslamabad, Pakistan
    922.1×
  121. 121RochesterMinnesota, United States
    902.0×
  122. 121WaukeshaWisconsin, United States
    902.0×
  123. 123CantonOhio, United States
    902.0×
  124. 124WestervilleOhio, United States
    892.0×
  125. 125Granite CityIllinois, United States
    892.0×
  126. 125Lexington-FayetteKentucky, United States
    892.0×
  127. 127São PauloSão Paulo, Brazil
    892.0×
  128. 127HollandMichigan, United States
    892.0×
  129. 127MilwaukeeWisconsin, United States
    892.0×
  130. 130BellevueNebraska, United States
    892.0×
  131. 131ChiguayanteBiobio, Chile
    881.9×
  132. 132LotaBiobio, Chile
    881.9×
  133. 132South MilwaukeeWisconsin, United States
    881.9×
  134. 134St. LouisMissouri, United States
    881.9×
  135. 135ColumbiaTennessee, United States
    881.9×
  136. 136CauquenesMaule Region, Chile
    881.9×
  137. 136Lincoln ParkMichigan, United States
    881.9×
  138. 138Karachilow-cost sensorsSindh, Pakistan
    871.9×
  139. 139LebanonOhio, United States
    861.9×
  140. 139DearbornMichigan, United States
    861.9×
  141. 141Green BayWisconsin, United States
    861.9×
  142. 142AkronOhio, United States
    851.8×
  143. 143WarrenOhio, United States
    851.8×
  144. 143Great FallsMontana, United States
    851.8×
  145. 145KalamazooMichigan, United States
    851.8×
  146. 146JacksonTennessee, United States
    841.8×
  147. 147University CityMissouri, United States
    841.8×
  148. 147San Pedro de la PazBiobio, Chile
    841.8×
  149. 149DetroitMichigan, United States
    841.8×
  150. 150AntofagastaAntofagasta, Chile
    831.7×
  151. 150ArnoldMissouri, United States
    831.7×
  152. 152Şabāḩ as SālimMubārak al Kabīr, Kuwait
    821.7×
  153. 153PainesvilleOhio, United States
    821.7×
  154. 154HendersonvilleTennessee, United States
    811.7×
  155. 154YoungstownOhio, United States
    811.7×
  156. 156YpsilantiMichigan, United States
    811.7×
  157. 157DublinOhio, United States
    811.7×
  158. 158Los ÁngelesBiobio, Chile
    801.7×
  159. 158Grand RapidsMichigan, United States
    801.7×
  160. 160Port ArthurTexas, United States
    801.6×
  161. 161AustinTexas, United States
    801.6×
  162. 161ConroeTexas, United States
    801.6×
  163. 163LemayMissouri, United States
    791.6×
  164. 163DyersburgTennessee, United States
    791.6×
  165. 165LondonOntario, Canada
    791.6×
  166. 166HoustonTexas, United States
    781.6×
  167. 167Fort McMurrayAlberta, Canada
    781.6×
  168. 168BaytownTexas, United States
    781.6×
  169. 169Saint JosephMissouri, United States
    781.6×
  170. 169College StationTexas, United States
    781.6×
  171. 171CopiapóAtacama, Chile
    771.6×
  172. 172MonterreyNuevo León, Mexico
    771.5×
  173. 173Live OakTexas, United States
    771.5×
  174. 173LincolnNebraska, United States
    771.5×
  175. 175ChennaiTamil Nadu, India
    771.5×
  176. 175EdinburgTexas, United States
    771.5×
  177. 177SarniaOntario, Canada
    761.5×
  178. 178Missouri CityTexas, United States
    761.5×
  179. 179Mission BendTexas, United States
    761.5×
  180. 180Corpus ChristiTexas, United States
    761.5×
  181. 180EriePennsylvania, United States
    761.5×
  182. 182East RidgeTennessee, United States
    751.5×
  183. 183CookevilleTennessee, United States
    751.5×
  184. 184GalvestonTexas, United States
    751.5×
  185. 184PasadenaTexas, United States
    751.5×
  186. 186Bang Bo DistrictSamut Prakan, Thailand
    741.4×
  187. 186GuangzhouGuangdong, China
    741.4×
  188. 188LaredoTexas, United States
    741.4×
  189. 188Bay CityMichigan, United States
    741.4×
  190. 190SalamancaGuanajuato, Mexico
    731.4×
  191. 190San AntonioTexas, United States
    731.4×
  192. 190GahannaOhio, United States
    731.4×
  193. 193Santa CatarinaNuevo León, Mexico
    731.4×
  194. 193La PorteTexas, United States
    731.4×
  195. 195Apple ValleyMinnesota, United States
    721.4×
  196. 195HermitagePennsylvania, United States
    721.4×
  197. 197HamiltonOntario, Canada
    721.4×
  198. 198DelhiDelhi, India
    721.4×
  199. 199Ciudad JuárezChihuahua, Mexico
    721.4×
  200. 200ChattanoogaTennessee, United States
    721.3×

Top 200 of 767 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, July 16, 2023, smogrank.com/history/2023-07-16 (accessed 2 Oct 2026).

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