SmogRank / History / August 19, 2023

Most polluted cities on August 19, 2023

1,616 cities ranked by their average PM2.5 over the day; the worst was Spokane, United States, at 256.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during August 19, 2023. All episodes.

← Spokane 256.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for August 19, 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. 1SpokaneWashington, United States
    36217.1×
  2. 2Spokane ValleyWashington, United States
    32415.8×
  3. 3KelownaBritish Columbia, Canada
    27613.4×
  4. 4VernonBritish Columbia, Canada
    23310.5×
  5. 5Coeur d'AleneIdaho, United States
    2179.5×
  6. 6Moses LakeWashington, United States
    2159.3×
  7. 7CoyhaiqueAysén, Chile
    1947.8×
  8. 8PentictonBritish Columbia, Canada
    1917.5×
  9. 9Tri-CitiesWashington, United States
    1877.1×
  10. 10CranbrookBritish Columbia, Canada
    1836.7×
  11. 11PascoWashington, United States
    1776.2×
  12. 12SunnysideWashington, United States
    1725.7×
  13. 13YakimaWashington, United States
    1665.2×
  14. 14HermistonOregon, United States
    1665.2×
  15. 15Walla WallaWashington, United States
    1624.8×
  16. 16DushanbeDushanbe, Tajikistan
    1624.8×
  17. 17EllensburgWashington, United States
    1594.5×
  18. 18PendletonOregon, United States
    1564.2×
  19. 19Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1544.0×
  20. 20The DallesOregon, United States
    1523.8×
  21. 21Lahorelow-cost sensorsPunjab, Pakistan
    1483.6×
  22. 22PullmanWashington, United States
    1453.6×
  23. 23HanoiHanoi, Vietnam
    1403.4×
  24. 24WenatcheeWashington, United States
    1383.4×
  25. 25RedmondOregon, United States
    1373.3×
  26. 26ManamaManama, Bahrain
    1353.3×
  27. 27Islamabadlow-cost sensorsIslamabad, Pakistan
    1343.3×
  28. 28MoscowIdaho, United States
    1253.0×
  29. 29ShenyangLiaoning, China
    1212.9×
  30. 30Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1182.8×
  31. 31JakartaJakarta, Indonesia
    1162.8×
  32. 31ValdiviaLos Ríos Region, Chile
    1162.8×
  33. 31NacimientoBiobio, Chile
    1162.8×
  34. 34OsornoLos Lagos Region, Chile
    1152.7×
  35. 35AlexandriaAlexandria, Egypt
    1132.7×
  36. 36Addis AbabaAddis Ababa, Ethiopia
    1122.7×
  37. 37Puerto AysénAysén, Chile
    1102.6×
  38. 38BendOregon, United States
    1102.6×
  39. 39Kampalalow-cost sensorsCentral Region, Uganda
    1072.5×
  40. 40GuangzhouGuangdong, China
    1042.4×
  41. 41DelhiDelhi, India
    1022.4×
  42. 42CuricóMaule Region, Chile
    1012.4×
  43. 43Dhakalow-cost sensorsDhaka Division, Bangladesh
    972.3×
  44. 43RancaguaO'Higgins Region, Chile
    972.3×
  45. 45AltamontOregon, United States
    962.2×
  46. 46CuranilahueBiobio, Chile
    952.2×
  47. 47KigaliKigali, Rwanda
    952.2×
  48. 48SantiagoSantiago Metropolitan, Chile
    952.2×
  49. 49RengoO'Higgins Region, Chile
    942.1×
  50. 50AnconaThe Marches, Italy
    942.1×
  51. 51Grants PassOregon, United States
    932.1×
  52. 52LinaresMaule Region, Chile
    932.1×
  53. 53SarajevoFederation of B&H, Bosnia and Herzegovina
    922.1×
  54. 54Puente AltoSantiago Metropolitan, Chile
    912.1×
  55. 55ChilliwackBritish Columbia, Canada
    892.0×
  56. 56La UniónLos Ríos Region, Chile
    892.0×
  57. 57BoiseIdaho, United States
    892.0×
  58. 58AshlandOregon, United States
    881.9×
  59. 59CatañoCataño, Puerto Rico
    881.9×
  60. 60BeijingBeijing, China
    871.9×
  61. 61TalaganteSantiago Metropolitan, Chile
    871.9×
  62. 61QuillotaValparaiso, Chile
    871.9×
  63. 61MedfordOregon, United States
    871.9×
  64. 64MiddletownOhio, United States
    861.9×
  65. 65ChennaiTamil Nadu, India
    861.9×
  66. 66Prince AlbertSaskatchewan, Canada
    861.8×
  67. 67LewistonIdaho, United States
    851.8×
  68. 68HumennéPrešov Region, Slovakia
    841.8×
  69. 69Puerto MonttLos Lagos Region, Chile
    831.8×
  70. 70IndianapolisIndiana, United States
    831.8×
  71. 71Grand RapidsMichigan, United States
    831.7×
  72. 71WestervilleOhio, United States
    831.7×
  73. 73PristinaPristina, Kosovo
    831.7×
  74. 73Banja LukaSrpska, Bosnia and Herzegovina
    831.7×
  75. 75Vranov nad TopľouPrešov Region, Slovakia
    821.7×
  76. 76SpringfieldOhio, United States
    811.7×
  77. 76South BendIndiana, United States
    811.7×
  78. 78CopiapóAtacama, Chile
    811.7×
  79. 79Bang Bo DistrictSamut Prakan, Thailand
    811.7×
  80. 80KalamazooMichigan, United States
    801.7×
  81. 81TocopillaAntofagasta, Chile
    801.6×
  82. 82MeridianIdaho, United States
    801.6×
  83. 83SninaPrešov Region, Slovakia
    801.6×
  84. 84TalcaMaule Region, Chile
    791.6×
  85. 85Viña del MarValparaiso, Chile
    791.6×
  86. 86MostÚstí nad Labem Region, Czechia
    791.6×
  87. 86DublinOhio, United States
    791.6×
  88. 88Los ÁngelesBiobio, Chile
    791.6×
  89. 89DaytonOhio, United States
    781.6×
  90. 90HollandMichigan, United States
    781.6×
  91. 90JenisonMichigan, United States
    781.6×
  92. 92HualquiBiobio, Chile
    781.6×
  93. 93WindsorOntario, Canada
    781.6×
  94. 94BelgradeCentral Serbia, Serbia
    771.6×
  95. 94AntofagastaAntofagasta, Chile
    771.6×
  96. 96NorwoodOhio, United States
    771.5×
  97. 97DetroitMichigan, United States
    771.5×
  98. 98TemucoAraucania, Chile
    771.5×
  99. 99CoquimboCoquimbo Region, Chile
    761.5×
  100. 100Puerto VarasLos Lagos Region, Chile
    761.5×
  101. 101CoronelBiobio, Chile
    751.5×
  102. 102West MifflinPennsylvania, United States
    751.5×
  103. 102Greater SudburyOntario, Canada
    751.5×
  104. 104AbbotsfordBritish Columbia, Canada
    751.5×
  105. 105JesiThe Marches, Italy
    741.4×
  106. 105LansingMichigan, United States
    741.4×
  107. 105Lincoln ParkMichigan, United States
    741.4×
  108. 108DearbornMichigan, United States
    741.4×
  109. 109SenicaTrnava Region, Slovakia
    741.4×
  110. 110CincinnatiOhio, United States
    741.4×
  111. 111AndersonIndiana, United States
    741.4×
  112. 112GyőrGyőr-Moson-Sopron, Hungary
    741.4×
  113. 112Calumet CityIllinois, United States
    741.4×
  114. 114BratislavaBratislava Region, Slovakia
    731.4×
  115. 114CantonOhio, United States
    731.4×
  116. 116HyderabadTelangana, India
    731.4×
  117. 116ReginaSaskatchewan, Canada
    731.4×
  118. 118BirminghamAlabama, United States
    731.4×
  119. 118Franklin ParkIllinois, United States
    731.4×
  120. 120Nong KhaemBangkok, Thailand
    721.4×
  121. 120CalgaryAlberta, Canada
    721.4×
  122. 122SzegedCsongrád, Hungary
    721.4×
  123. 122Karachilow-cost sensorsSindh, Pakistan
    721.4×
  124. 122AtamiShizuoka, Japan
    721.4×
  125. 122IyoEhime, Japan
    721.4×
  126. 126BarrieOntario, Canada
    721.4×
  127. 127BurnabyBritish Columbia, Canada
    721.4×
  128. 128Maebaru-chūōFukuoka, Japan
    721.3×
  129. 128ClevelandOhio, United States
    721.3×
  130. 128MilwaukeeWisconsin, United States
    721.3×
  131. 131PortsmouthOhio, United States
    711.3×
  132. 131Des PlainesIllinois, United States
    711.3×
  133. 131YpsilantiMichigan, United States
    711.3×
  134. 131NampaIdaho, United States
    711.3×
  135. 135KošiceKošice Region, Slovakia
    711.3×
  136. 135NaplesCampania, Italy
    711.3×
  137. 137HattiesburgMississippi, United States
    711.3×
  138. 138FujinomiyaShizuoka, Japan
    711.3×
  139. 138Falconara MarittimaThe Marches, Italy
    711.3×
  140. 138ChillánÑuble, Chile
    711.3×
  141. 138CauquenesMaule Region, Chile
    711.3×
  142. 138Terre HauteIndiana, United States
    711.3×
  143. 138East ChicagoIndiana, United States
    711.3×
  144. 144NorthbrookIllinois, United States
    711.3×
  145. 145FishersIndiana, United States
    701.3×
  146. 145New OrleansLouisiana, United States
    701.3×
  147. 145ElkhartIndiana, United States
    701.3×
  148. 148La SerenaCoquimbo Region, Chile
    701.3×
  149. 148AshlandKentucky, United States
    701.3×
  150. 150PrešovPrešov Region, Slovakia
    701.3×
  151. 150ConcónValparaiso, Chile
    701.3×
  152. 150NapervilleIllinois, United States
    701.3×
  153. 153BremerhavenBremen, Germany
    701.3×
  154. 153TaylorMichigan, United States
    701.3×
  155. 155JolietIllinois, United States
    701.3×
  156. 156NairobiNairobi County, Kenya
    691.3×
  157. 156Great FallsMontana, United States
    691.3×
  158. 158Samut SakhonSamut Sakhon, Thailand
    691.3×
  159. 158Phra PradaengSamut Prakan, Thailand
    691.3×
  160. 158ŌharaChiba, Japan
    691.3×
  161. 158TepliceÚstí nad Labem Region, Czechia
    691.3×
  162. 158San CarlosÑuble, Chile
    691.3×
  163. 158QuinteroValparaiso, Chile
    691.3×
  164. 164AlgiersAlgiers, Algeria
    691.3×
  165. 164WatertownSouth Dakota, United States
    691.3×
  166. 166AntananarivoAnalamanga, Madagascar
    691.2×
  167. 167Khlong LuangPathum Thani, Thailand
    691.2×
  168. 167LitvínovÚstí nad Labem Region, Czechia
    691.2×
  169. 167Naucalpan de JuárezMéxico, Mexico
    691.2×
  170. 167Fort ThomasKentucky, United States
    691.2×
  171. 167CaryIllinois, United States
    691.2×
  172. 167Bay CityMichigan, United States
    691.2×
  173. 167WaukeshaWisconsin, United States
    691.2×
  174. 174Ang Mo Kio New TownSingapore
    691.2×
  175. 174OakvilleOntario, Canada
    691.2×
  176. 176Tha BoNong Khai, Thailand
    681.2×
  177. 176ShimodaShizuoka, Japan
    681.2×
  178. 176SarniaOntario, Canada
    681.2×
  179. 179Samut PrakanSamut Prakan, Thailand
    681.2×
  180. 179South MilwaukeeWisconsin, United States
    681.2×
  181. 181NewmarketOntario, Canada
    681.2×
  182. 182AkronOhio, United States
    681.2×
  183. 182Green BayWisconsin, United States
    681.2×
  184. 182MatsuuraNagasaki, Japan
    681.2×
  185. 185NitraNitra Region, Slovakia
    681.2×
  186. 186Český TěšínMoravian-Silesian Region, Czechia
    671.2×
  187. 186West FargoNorth Dakota, United States
    671.2×
  188. 186ChikuseiIbaraki, Japan
    671.2×
  189. 189SteubenvilleOhio, United States
    671.2×
  190. 189WilkinsburgPennsylvania, United States
    671.2×
  191. 189Sault Ste. MarieOntario, Canada
    671.2×
  192. 192ToledoOhio, United States
    671.2×
  193. 192MiltonOntario, Canada
    671.2×
  194. 194BerounCentral Bohemia, Czechia
    671.2×
  195. 194White OakOhio, United States
    671.2×
  196. 196Spišská Nová VesKošice Region, Slovakia
    671.2×
  197. 196PartizánskeTrenčín Region, Slovakia
    671.2×
  198. 196KadaňÚstí nad Labem Region, Czechia
    671.2×
  199. 196GaryIndiana, United States
    671.2×
  200. 200LouisvilleKentucky, United States
    661.2×

Top 200 of 1,616 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 19, 2023, smogrank.com/history/2023-08-19 (accessed 2 Oct 2026).

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