SmogRank / History / July 26, 2024

Most polluted cities on July 26, 2024

2,230 cities ranked by their average PM2.5 over the day; the worst was Puerto Varas, Chile, at 159.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during July 26, 2024. All episodes.

← Puerto Varas 159.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for July 26, 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. 1Puerto VarasLos Lagos Region, Chile
    23410.6×
  2. 2OsornoLos Lagos Region, Chile
    2018.4×
  3. 3LewistonIdaho, United States
    1897.3×
  4. 4Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1877.1×
  5. 5VillarricaAraucania, Chile
    1766.0×
  6. 6AntananarivoAnalamanga, Madagascar
    1715.6×
  7. 7HualpénBiobio, Chile
    1715.6×
  8. 8CuricóMaule Region, Chile
    1695.5×
  9. 9TalcaMaule Region, Chile
    1614.7×
  10. 10Santa Anita - Los FicusLima region, Peru
    1614.6×
  11. 11RancaguaO'Higgins Region, Chile
    1594.5×
  12. 12ValdiviaLos Ríos Region, Chile
    1594.4×
  13. 12Puerto MonttLos Lagos Region, Chile
    1594.4×
  14. 14RengoO'Higgins Region, Chile
    1564.2×
  15. 15Twin FallsIdaho, United States
    1564.1×
  16. 16SantiagoSantiago Metropolitan, Chile
    1533.8×
  17. 17NacimientoBiobio, Chile
    1493.7×
  18. 18HualquiBiobio, Chile
    1483.6×
  19. 19IlindenIlinden, North Macedonia
    1473.6×
  20. 20Asunciónlow-cost sensorsAsuncion, Paraguay
    1433.5×
  21. 21TemucoAraucania, Chile
    1423.5×
  22. 22DelhiDelhi, India
    1373.4×
  23. 23NampaIdaho, United States
    1353.3×
  24. 24CoronelBiobio, Chile
    1323.2×
  25. 25MeridianIdaho, United States
    1273.1×
  26. 26Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1263.0×
  27. 27AshgabatAshgabat, Turkmenistan
    1263.0×
  28. 28BoiseIdaho, United States
    1243.0×
  29. 29Kampalalow-cost sensorsCentral Region, Uganda
    1233.0×
  30. 30Puente AltoSantiago Metropolitan, Chile
    1233.0×
  31. 31Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1222.9×
  32. 32Lahorelow-cost sensorsPunjab, Pakistan
    1192.9×
  33. 32QuillotaValparaiso, Chile
    1192.9×
  34. 32CauquenesMaule Region, Chile
    1192.9×
  35. 35BaghdadBaghdad, Iraq
    1122.7×
  36. 35CuranilahueBiobio, Chile
    1122.7×
  37. 37ButteMontana, United States
    1062.5×
  38. 38TalcahuanoBiobio, Chile
    1042.4×
  39. 38ChiguayanteBiobio, Chile
    1042.4×
  40. 40ConcepciónBiobio, Chile
    1032.4×
  41. 41HelenaMontana, United States
    1022.4×
  42. 42Grants PassOregon, United States
    1012.4×
  43. 43ChillánÑuble, Chile
    1002.3×
  44. 44PocatelloIdaho, United States
    982.3×
  45. 45Puerto AysénAysén, Chile
    982.3×
  46. 46Columbialow-cost sensorsMissouri, United States
    972.3×
  47. 47DushanbeDushanbe, Tajikistan
    972.3×
  48. 47LimaLima Province, Peru
    972.3×
  49. 49Karachilow-cost sensorsSindh, Pakistan
    972.2×
  50. 49La GardeProvence-Alpes-Côte d'Azur, France
    972.2×
  51. 51QuilpuéValparaiso, Chile
    972.2×
  52. 52MoscowIdaho, United States
    962.2×
  53. 53CairoCairo, Egypt
    962.2×
  54. 54Bang NaBangkok, Thailand
    952.2×
  55. 55MaputoMaputo City, Mozambique
    952.2×
  56. 56Jurong WestSingapore
    942.2×
  57. 57QuinteroValparaiso, Chile
    932.1×
  58. 58Ang Mo Kio New TownSingapore
    922.1×
  59. 59ToméBiobio, Chile
    902.0×
  60. 60CoyhaiqueAysén, Chile
    902.0×
  61. 61AltamontOregon, United States
    892.0×
  62. 62MedfordOregon, United States
    892.0×
  63. 63San Francisco De BorjaLima region, Peru
    871.9×
  64. 64Los ÁngelesBiobio, Chile
    861.9×
  65. 65AshlandOregon, United States
    861.9×
  66. 66TimaruCanterbury, New Zealand
    861.9×
  67. 66BozemanMontana, United States
    861.9×
  68. 68CallaoCallao, Peru
    851.8×
  69. 68Jacobo HunterArequipa, Peru
    851.8×
  70. 70Addis AbabaAddis Ababa, Ethiopia
    851.8×
  71. 70LotaBiobio, Chile
    851.8×
  72. 72CopiapóAtacama, Chile
    841.8×
  73. 72AntofagastaAntofagasta, Chile
    841.8×
  74. 72YakimaWashington, United States
    841.8×
  75. 75PendletonOregon, United States
    831.8×
  76. 76Idaho FallsIdaho, United States
    831.8×
  77. 77HanoiHanoi, Vietnam
    821.7×
  78. 78Viña del MarValparaiso, Chile
    821.7×
  79. 79La SerenaCoquimbo Region, Chile
    821.7×
  80. 80El PasoTexas, United States
    811.7×
  81. 80RangioraCanterbury, New Zealand
    811.7×
  82. 82MarigotSaint Martin
    801.7×
  83. 83CoquimboCoquimbo Region, Chile
    801.6×
  84. 83ConcónValparaiso, Chile
    801.6×
  85. 85BeijingBeijing, China
    791.6×
  86. 85CatañoCataño, Puerto Rico
    791.6×
  87. 87BucharestBucharest, Romania
    791.6×
  88. 87Queenstown Estatelow-cost sensorsSingapore
    791.6×
  89. 89Rapid CitySouth Dakota, United States
    791.6×
  90. 90PullmanWashington, United States
    781.6×
  91. 91San Pedro de la PazBiobio, Chile
    781.6×
  92. 92GuangzhouGuangdong, China
    781.6×
  93. 93Les AbymesGuadeloupe, Guadeloupe
    771.5×
  94. 94MitoIbaraki, Japan
    761.5×
  95. 95AstanaAstana, Kazakhstan
    761.5×
  96. 95Ulu BedokSingapore
    761.5×
  97. 95Grand IslandNebraska, United States
    761.5×
  98. 98Walla WallaWashington, United States
    761.5×
  99. 99HermistonOregon, United States
    741.4×
  100. 100Kathmandulow-cost sensorsBagmati Province, Nepal
    741.4×
  101. 101EvansvilleIndiana, United States
    741.4×
  102. 102Dhakalow-cost sensorsDhaka Division, Bangladesh
    731.4×
  103. 102Villa Poeta José Gálvez BarrenecheaLima region, Peru
    731.4×
  104. 104YauriCuzco Department, Peru
    731.4×
  105. 104WatertownSouth Dakota, United States
    731.4×
  106. 106N'DjamenaN’Djaména, Chad
    731.4×
  107. 106Valley StationKentucky, United States
    731.4×
  108. 108AricaArica y Parinacota Region, Chile
    721.4×
  109. 108East Saint LouisIllinois, United States
    721.4×
  110. 110Islamabadlow-cost sensorsIslamabad, Pakistan
    721.4×
  111. 111JeffersonvilleIndiana, United States
    721.3×
  112. 112Rouyn-NorandaQuebec, Canada
    711.3×
  113. 113ChimboteAncash, Peru
    711.3×
  114. 113LangfordBritish Columbia, Canada
    711.3×
  115. 115TsuchiuraIbaraki, Japan
    711.3×
  116. 116JeffersontownKentucky, United States
    711.3×
  117. 116ReginaSaskatchewan, Canada
    711.3×
  118. 118KolkataWest Bengal, India
    701.3×
  119. 119Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    701.3×
  120. 120JasperIndiana, United States
    701.3×
  121. 120LouisvilleKentucky, United States
    701.3×
  122. 120Summerlin SouthNevada, United States
    701.3×
  123. 123Dodge CityKansas, United States
    701.3×
  124. 123LongmontColorado, United States
    701.3×
  125. 125Accralow-cost sensorsGreater Accra, Ghana
    701.3×
  126. 125TopekaKansas, United States
    701.3×
  127. 127DerbyKansas, United States
    691.3×
  128. 128Nong KhaemBangkok, Thailand
    691.2×
  129. 129Saint MatthewsKentucky, United States
    681.2×
  130. 130ChocopeLa Libertad, Peru
    681.2×
  131. 130OlatheKansas, United States
    681.2×
  132. 132Saint JosephMissouri, United States
    681.2×
  133. 132ThorntonColorado, United States
    681.2×
  134. 132SunnysideWashington, United States
    681.2×
  135. 132Prince AlbertSaskatchewan, Canada
    681.2×
  136. 136Fort McMurrayAlberta, Canada
    671.2×
  137. 137Spring ValleyNevada, United States
    671.2×
  138. 138Wan ChaiWan Chai, Hong Kong
    671.2×
  139. 139WoodlandsSingapore
    671.2×
  140. 140Granite CityIllinois, United States
    671.2×
  141. 141AnkenyIowa, United States
    661.2×
  142. 141Lat KrabangBangkok, Thailand
    661.2×
  143. 143ShakopeeMinnesota, United States
    661.1×
  144. 144San ClementeIca, Peru
    661.1×
  145. 144Kansas CityKansas, United States
    661.1×
  146. 144Saint CloudMinnesota, United States
    661.1×
  147. 147Lexington-FayetteKentucky, United States
    661.1×
  148. 147BurnsvilleMinnesota, United States
    661.1×
  149. 149MinneapolisMinnesota, United States
    651.1×
  150. 150ŌtsukiYamanashi, Japan
    651.1×
  151. 150MankatoMinnesota, United States
    651.1×
  152. 150Nepeanlow-cost sensorsOntario, Canada
    651.1×
  153. 153KaohsiungTakao, Taiwan
    651.1×
  154. 153Fort St. JohnBritish Columbia, Canada
    651.1×
  155. 155St. LouisMissouri, United States
    651.1×
  156. 155Saint MichaelMinnesota, United States
    651.1×
  157. 157AberdeenSouth Dakota, United States
    651.1×
  158. 158NiceProvence-Alpes-Côte d'Azur, France
    641.1×
  159. 158CalamaAntofagasta, Chile
    641.1×
  160. 158BrookingsSouth Dakota, United States
    641.1×
  161. 158Colorado SpringsColorado, United States
    641.1×
  162. 162HoustonTexas, United States
    641.1×
  163. 163HuntingtonWest Virginia, United States
    641.1×
  164. 163RochesterMinnesota, United States
    641.1×
  165. 163ChikuseiIbaraki, Japan
    641.1×
  166. 166Donghae CityGangwon-do, South Korea
    641.1×
  167. 166Swift CurrentSaskatchewan, Canada
    641.1×
  168. 166AyaseKanagawa, Japan
    641.1×
  169. 169Great FallsMontana, United States
    631.1×
  170. 169CranbrookBritish Columbia, Canada
    631.1×
  171. 171CharlestonWest Virginia, United States
    631.0×
  172. 171CalgaryAlberta, Canada
    631.0×
  173. 171Khan Na YaoBangkok, Thailand
    631.0×
  174. 174ShanghaiShanghai, China
    631.0×
  175. 174Upper AltonIllinois, United States
    631.0×
  176. 174RoanokeVirginia, United States
    631.0×
  177. 177Sioux FallsSouth Dakota, United States
    631.0×
  178. 178New AlbanyIndiana, United States
    631.0×
  179. 178AmarilloTexas, United States
    631.0×
  180. 178Saphan SungBangkok, Thailand
    631.0×
  181. 181Saint PaulMinnesota, United States
    621.0×
  182. 181FontanaCalifornia, United States
    621.0×
  183. 183MumbaiMaharashtra, India
    621.0×
  184. 184DěčínÚstí nad Labem Region, Czechia
    621.0×
  185. 184Fort-de-FranceMartinique, Martinique
    621.0×
  186. 186AthensAttica, Greece
    621.0×
  187. 186AsprópyrgosAttica, Greece
    621.0×
  188. 186KofuYamanashi, Japan
    621.0×
  189. 186MentonProvence-Alpes-Côte d'Azur, France
    621.0×
  190. 186Le LamentinMartinique, Martinique
    621.0×
  191. 186Little RockArkansas, United States
    621.0×
  192. 186LemayMissouri, United States
    621.0×
  193. 186University CityMissouri, United States
    621.0×
  194. 186Fort CollinsColorado, United States
    621.0×
  195. 195ArnoldMissouri, United States
    611.0×
  196. 195Las VegasNevada, United States
    611.0×
  197. 195BillingsMontana, United States
    611.0×
  198. 198BangkokBangkok, Thailand
    611.0×
  199. 198TexarkanaTexas, United States
    611.0×
  200. 198DuluthMinnesota, United States
    611.0×

Top 200 of 2,230 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 26, 2024, smogrank.com/history/2024-07-26 (accessed 3 Oct 2026).

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