SmogRank / History / July 22, 2024

Most polluted cities on July 22, 2024

2,219 cities ranked by their average PM2.5 over the day; the worst was Fort McMurray, Canada, at 217.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during July 22, 2024. All episodes.

← Fort McMurray 217.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for July 22, 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. 1Fort McMurrayAlberta, Canada
    29214.5×
  2. 2TemucoAraucania, Chile
    25411.9×
  3. 3Sherwood ParkAlberta, Canada
    23710.8×
  4. 4OsornoLos Lagos Region, Chile
    23310.5×
  5. 5Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    2229.8×
  6. 6NacimientoBiobio, Chile
    2159.3×
  7. 7HualpénBiobio, Chile
    2038.5×
  8. 7CuranilahueBiobio, Chile
    2038.5×
  9. 9Fort St. JohnBritish Columbia, Canada
    1867.1×
  10. 10SaskatoonSaskatchewan, Canada
    1786.2×
  11. 11TalcahuanoBiobio, Chile
    1776.2×
  12. 12Puerto VarasLos Lagos Region, Chile
    1776.2×
  13. 13ChillánÑuble, Chile
    1745.9×
  14. 14TalcaMaule Region, Chile
    1715.6×
  15. 14CoronelBiobio, Chile
    1715.6×
  16. 16Los ÁngelesBiobio, Chile
    1695.5×
  17. 17ReginaSaskatchewan, Canada
    1685.3×
  18. 18HualquiBiobio, Chile
    1675.3×
  19. 19Prince AlbertSaskatchewan, Canada
    1665.1×
  20. 20La UniónLos Ríos Region, Chile
    1634.9×
  21. 21Grande PrairieAlberta, Canada
    1614.6×
  22. 22ToméBiobio, Chile
    1604.6×
  23. 23EdmontonAlberta, Canada
    1594.4×
  24. 24CuricóMaule Region, Chile
    1584.4×
  25. 25RengoO'Higgins Region, Chile
    1554.1×
  26. 26Lahorelow-cost sensorsPunjab, Pakistan
    1554.1×
  27. 27ConcepciónBiobio, Chile
    1554.1×
  28. 28ValdiviaLos Ríos Region, Chile
    1554.1×
  29. 29Swift CurrentSaskatchewan, Canada
    1544.0×
  30. 30RancaguaO'Higgins Region, Chile
    1544.0×
  31. 31CauquenesMaule Region, Chile
    1533.9×
  32. 32ChiguayanteBiobio, Chile
    1483.6×
  33. 33JakartaJakarta, Indonesia
    1473.6×
  34. 34Great FallsMontana, United States
    1443.5×
  35. 35Puerto MonttLos Lagos Region, Chile
    1423.5×
  36. 36KamloopsBritish Columbia, Canada
    1413.5×
  37. 37TalaganteSantiago Metropolitan, Chile
    1373.3×
  38. 38Santa Anita - Los FicusLima region, Peru
    1353.3×
  39. 39St. AlbertAlberta, Canada
    1333.2×
  40. 40AntananarivoAnalamanga, Madagascar
    1313.2×
  41. 41Rapid CitySouth Dakota, United States
    1293.1×
  42. 42Islamabadlow-cost sensorsIslamabad, Pakistan
    1293.1×
  43. 43Medicine HatAlberta, Canada
    1263.0×
  44. 44SantiagoSantiago Metropolitan, Chile
    1233.0×
  45. 44San Pedro de la PazBiobio, Chile
    1233.0×
  46. 46HelenaMontana, United States
    1192.9×
  47. 47Red DeerAlberta, Canada
    1192.8×
  48. 48CalgaryAlberta, Canada
    1102.6×
  49. 49Prince GeorgeBritish Columbia, Canada
    1072.5×
  50. 50QuilpuéValparaiso, Chile
    1062.5×
  51. 51MaputoMaputo City, Mozambique
    1042.5×
  52. 52Addis AbabaAddis Ababa, Ethiopia
    1032.4×
  53. 53LimaLima Province, Peru
    1032.4×
  54. 54AirdrieAlberta, Canada
    1002.4×
  55. 55MissoulaMontana, United States
    1002.3×
  56. 56DelhiDelhi, India
    992.3×
  57. 57QuillotaValparaiso, Chile
    982.3×
  58. 58AltamontOregon, United States
    972.3×
  59. 59San Francisco De BorjaLima region, Peru
    942.2×
  60. 60AshgabatAshgabat, Turkmenistan
    942.1×
  61. 60Asunciónlow-cost sensorsAsuncion, Paraguay
    942.1×
  62. 60LethbridgeAlberta, Canada
    942.1×
  63. 63Kampalalow-cost sensorsCentral Region, Uganda
    932.1×
  64. 64LotaBiobio, Chile
    922.1×
  65. 65GilletteWyoming, United States
    912.1×
  66. 66Abujalow-cost sensorsFCT, Nigeria
    912.0×
  67. 67CallaoCallao, Peru
    902.0×
  68. 68QuinteroValparaiso, Chile
    892.0×
  69. 69HanoiHanoi, Vietnam
    881.9×
  70. 70AyaseKanagawa, Japan
    881.9×
  71. 71BendOregon, United States
    871.9×
  72. 72SarajevoFederation of B&H, Bosnia and Herzegovina
    861.9×
  73. 73BillingsMontana, United States
    861.9×
  74. 74GostivarGostivar, North Macedonia
    851.8×
  75. 75LazarevacCentral Serbia, Serbia
    841.8×
  76. 76Villa Poeta José Gálvez BarrenecheaLima region, Peru
    831.8×
  77. 77Şabāḩ as SālimMubārak al Kabīr, Kuwait
    831.8×
  78. 78ButteMontana, United States
    831.7×
  79. 79LongmontColorado, United States
    821.7×
  80. 80BucharestBucharest, Romania
    821.7×
  81. 80BeijingBeijing, China
    821.7×
  82. 82DushanbeDushanbe, Tajikistan
    811.7×
  83. 82GotembaShizuoka, Japan
    811.7×
  84. 82ConcónValparaiso, Chile
    811.7×
  85. 82ThorntonColorado, United States
    811.7×
  86. 82LewistonIdaho, United States
    811.7×
  87. 82CranbrookBritish Columbia, Canada
    811.7×
  88. 88AtamiShizuoka, Japan
    811.7×
  89. 89ŌtsukiYamanashi, Japan
    811.7×
  90. 90Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    811.7×
  91. 90KamisuIbaraki, Japan
    811.7×
  92. 92Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    801.7×
  93. 92SheridanWyoming, United States
    801.7×
  94. 94IwataShizuoka, Japan
    801.6×
  95. 95West FargoNorth Dakota, United States
    801.6×
  96. 96Viña del MarValparaiso, Chile
    791.6×
  97. 97Ciudad Benito JuárezNuevo León, Mexico
    791.6×
  98. 98ShimodaShizuoka, Japan
    791.6×
  99. 98MedfordOregon, United States
    791.6×
  100. 100Colorado SpringsColorado, United States
    781.6×
  101. 100AshlandOregon, United States
    781.6×
  102. 102Jurong WestSingapore
    781.6×
  103. 103IwadeWakayama, Japan
    771.6×
  104. 104KochiKochi, Japan
    771.5×
  105. 105SpokaneWashington, United States
    771.5×
  106. 106ChigasakiKanagawa, Japan
    771.5×
  107. 106Spokane ValleyWashington, United States
    771.5×
  108. 108GyöngyösHeves County, Hungary
    771.5×
  109. 108VernonBritish Columbia, Canada
    771.5×
  110. 110IkomaNara, Japan
    761.5×
  111. 111TateyamaChiba, Japan
    761.5×
  112. 111KofuYamanashi, Japan
    761.5×
  113. 113NumazuShizuoka, Japan
    761.5×
  114. 113ŌamiChiba, Japan
    761.5×
  115. 113Coeur d'AleneIdaho, United States
    761.5×
  116. 113ChikuseiIbaraki, Japan
    761.5×
  117. 117ChibaChiba, Japan
    761.5×
  118. 117ChimboteAncash, Peru
    761.5×
  119. 119Ang Mo Kio New TownSingapore
    761.5×
  120. 119BozemanMontana, United States
    761.5×
  121. 121MiuraKanagawa, Japan
    751.5×
  122. 121KomárnoNitra Region, Slovakia
    751.5×
  123. 121CheyenneWyoming, United States
    751.5×
  124. 124KanchanaburiKanchanaburi, Thailand
    751.5×
  125. 124ChocopeLa Libertad, Peru
    751.5×
  126. 124KikugawaShizuoka, Japan
    751.5×
  127. 127KurihamaKanagawa, Japan
    751.5×
  128. 127MinamibōsōChiba, Japan
    751.5×
  129. 129HiratsukaKanagawa, Japan
    751.5×
  130. 129Ken CarylColorado, United States
    751.5×
  131. 131KamakuraKanagawa, Japan
    741.4×
  132. 132TsuchiuraIbaraki, Japan
    741.4×
  133. 133KisarazuChiba, Japan
    741.4×
  134. 133MobaraChiba, Japan
    741.4×
  135. 133SereďTrnava Region, Slovakia
    741.4×
  136. 133NitraNitra Region, Slovakia
    741.4×
  137. 137AkashiHyōgo, Japan
    741.4×
  138. 137YokosukaKanagawa, Japan
    741.4×
  139. 137KimitsuChiba, Japan
    741.4×
  140. 137IchiharaChiba, Japan
    741.4×
  141. 141Nara-shiNara, Japan
    741.4×
  142. 141AiharaKanagawa, Japan
    741.4×
  143. 141AricaArica y Parinacota Region, Chile
    741.4×
  144. 141AntofagastaAntofagasta, Chile
    741.4×
  145. 145IzunokuniShizuoka, Japan
    731.4×
  146. 146TaharaAichi, Japan
    731.4×
  147. 147YokohamaKanagawa, Japan
    731.4×
  148. 147MinatoWakayama, Japan
    731.4×
  149. 147OdawaraKanagawa, Japan
    731.4×
  150. 147Narutochō-mitsuishiTokushima, Japan
    731.4×
  151. 147UžiceCentral Serbia, Serbia
    731.4×
  152. 147DenverColorado, United States
    731.4×
  153. 153MinawaKanagawa, Japan
    731.4×
  154. 153GreeleyColorado, United States
    731.4×
  155. 155AsprópyrgosAttica, Greece
    721.4×
  156. 156FukuroiShizuoka, Japan
    721.4×
  157. 156Fort CollinsColorado, United States
    721.4×
  158. 156RedmondOregon, United States
    721.4×
  159. 156SusonoShizuoka, Japan
    721.4×
  160. 160FujinomiyaShizuoka, Japan
    721.4×
  161. 161FujisawaKanagawa, Japan
    721.4×
  162. 162HadanoKanagawa, Japan
    721.3×
  163. 162Ulu BedokSingapore
    721.3×
  164. 162NaritaChiba, Japan
    721.3×
  165. 165AtsugiKanagawa, Japan
    711.3×
  166. 165Accralow-cost sensorsGreater Accra, Ghana
    711.3×
  167. 165EbinaKanagawa, Japan
    711.3×
  168. 165SodegauraChiba, Japan
    711.3×
  169. 169Bang NaBangkok, Thailand
    711.3×
  170. 169UrayasuChiba, Japan
    711.3×
  171. 169MachidaTokyo, Japan
    711.3×
  172. 172SusakiKochi, Japan
    711.3×
  173. 172YamatoKanagawa, Japan
    711.3×
  174. 174FujiShizuoka, Japan
    711.3×
  175. 174YachimataChiba, Japan
    711.3×
  176. 176Botevgradlow-cost sensorsSofia, Bulgaria
    711.3×
  177. 176SakaiOsaka, Japan
    711.3×
  178. 176HigashinozoeHyōgo, Japan
    711.3×
  179. 176InoKochi, Japan
    711.3×
  180. 176AkiKochi, Japan
    711.3×
  181. 176HabikinoOsaka, Japan
    711.3×
  182. 182ŌharaChiba, Japan
    711.3×
  183. 182Grants PassOregon, United States
    711.3×
  184. 184YaoOsaka, Japan
    701.3×
  185. 184La SerenaCoquimbo Region, Chile
    701.3×
  186. 184PullmanWashington, United States
    701.3×
  187. 184MinamiashigaraKanagawa, Japan
    701.3×
  188. 184YachiyoChiba, Japan
    701.3×
  189. 184NoboritoKanagawa, Japan
    701.3×
  190. 190HigashiosakaOsaka, Japan
    701.3×
  191. 190PentictonBritish Columbia, Canada
    701.3×
  192. 190AridaWakayama, Japan
    701.3×
  193. 193KainanWakayama, Japan
    701.3×
  194. 194Puerto AysénAysén, Chile
    701.3×
  195. 194CalamaAntofagasta, Chile
    701.3×
  196. 194MillcreekUtah, United States
    701.3×
  197. 194SōsaChiba, Japan
    701.3×
  198. 198Nakhon RatchasimaNakhon Ratchasima, Thailand
    701.3×
  199. 198OsakaOsaka, Japan
    701.3×
  200. 198SakuraChiba, Japan
    701.3×

Top 200 of 2,219 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, July 22, 2024, smogrank.com/history/2024-07-22 (accessed 3 Oct 2026).

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