SmogRank / History / July 25, 2024

Most polluted cities on July 25, 2024

2,281 cities ranked by their average PM2.5 over the day; the worst was Kinshasa, Democratic Republic of the Congo, at 106.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during July 25, 2024. All episodes.

← Kinshasa 106.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for July 25, 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. 1Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1867.1×
  2. 2CuricóMaule Region, Chile
    1786.3×
  3. 3TalcaMaule Region, Chile
    1725.7×
  4. 4RancaguaO'Higgins Region, Chile
    1685.4×
  5. 5ShenyangLiaoning, China
    1604.6×
  6. 6CauquenesMaule Region, Chile
    1574.3×
  7. 7HualpénBiobio, Chile
    1574.3×
  8. 8TalaganteSantiago Metropolitan, Chile
    1564.2×
  9. 9YakimaWashington, United States
    1533.9×
  10. 10Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1533.9×
  11. 11BucharestBucharest, Romania
    1533.9×
  12. 12RengoO'Higgins Region, Chile
    1523.8×
  13. 13NacimientoBiobio, Chile
    1513.7×
  14. 14SantiagoSantiago Metropolitan, Chile
    1513.7×
  15. 15Lahorelow-cost sensorsPunjab, Pakistan
    1503.7×
  16. 16ChillánÑuble, Chile
    1473.6×
  17. 17CalgaryAlberta, Canada
    1403.4×
  18. 18Puerto VarasLos Lagos Region, Chile
    1373.3×
  19. 19Santa Anita - Los FicusLima region, Peru
    1323.2×
  20. 20Asunciónlow-cost sensorsAsuncion, Paraguay
    1303.2×
  21. 21HualquiBiobio, Chile
    1293.1×
  22. 22EdmontonAlberta, Canada
    1273.1×
  23. 23CairoCairo, Egypt
    1253.0×
  24. 24Kampalalow-cost sensorsCentral Region, Uganda
    1243.0×
  25. 25AntananarivoAnalamanga, Madagascar
    1233.0×
  26. 26Fort McMurrayAlberta, Canada
    1222.9×
  27. 27Puerto AysénAysén, Chile
    1192.9×
  28. 28Puente AltoSantiago Metropolitan, Chile
    1192.9×
  29. 29Prince AlbertSaskatchewan, Canada
    1172.8×
  30. 30CoyhaiqueAysén, Chile
    1172.8×
  31. 31SunnysideWashington, United States
    1142.7×
  32. 32NampaIdaho, United States
    1112.6×
  33. 33CuranilahueBiobio, Chile
    1102.6×
  34. 34VillarricaAraucania, Chile
    1092.6×
  35. 35QuinteroValparaiso, Chile
    1082.6×
  36. 36MeridianIdaho, United States
    1072.5×
  37. 37QuillotaValparaiso, Chile
    1072.5×
  38. 38SaskatoonSaskatchewan, Canada
    1062.5×
  39. 39El PasoTexas, United States
    1032.4×
  40. 40OsornoLos Lagos Region, Chile
    1022.4×
  41. 41CoronelBiobio, Chile
    1012.4×
  42. 42BoiseIdaho, United States
    992.3×
  43. 43Addis AbabaAddis Ababa, Ethiopia
    982.3×
  44. 44Karachilow-cost sensorsSindh, Pakistan
    972.3×
  45. 45KolkataWest Bengal, India
    962.2×
  46. 45Medicine HatAlberta, Canada
    962.2×
  47. 47DelhiDelhi, India
    962.2×
  48. 47Swift CurrentSaskatchewan, Canada
    962.2×
  49. 49ValdiviaLos Ríos Region, Chile
    962.2×
  50. 50Dhakalow-cost sensorsDhaka Division, Bangladesh
    942.2×
  51. 51TemucoAraucania, Chile
    932.1×
  52. 52Viña del MarValparaiso, Chile
    932.1×
  53. 53RangioraCanterbury, New Zealand
    902.0×
  54. 54Puerto MonttLos Lagos Region, Chile
    892.0×
  55. 55ReginaSaskatchewan, Canada
    892.0×
  56. 56La UniónLos Ríos Region, Chile
    881.9×
  57. 57LimaLima Province, Peru
    871.9×
  58. 58Los ÁngelesBiobio, Chile
    871.9×
  59. 59Islamabadlow-cost sensorsIslamabad, Pakistan
    861.9×
  60. 60ConcónValparaiso, Chile
    851.8×
  61. 61DushanbeDushanbe, Tajikistan
    851.8×
  62. 62LethbridgeAlberta, Canada
    841.8×
  63. 63Jacobo HunterArequipa, Peru
    841.8×
  64. 64AirdrieAlberta, Canada
    841.8×
  65. 65Jurong WestSingapore
    831.8×
  66. 66ChiguayanteBiobio, Chile
    831.7×
  67. 67St. AlbertAlberta, Canada
    821.7×
  68. 68Ang Mo Kio New TownSingapore
    811.7×
  69. 68La SerenaCoquimbo Region, Chile
    811.7×
  70. 70LewistonIdaho, United States
    801.6×
  71. 71N'DjamenaN’Djaména, Chad
    801.6×
  72. 71MoscowIdaho, United States
    801.6×
  73. 73CoquimboCoquimbo Region, Chile
    791.6×
  74. 73LongmontColorado, United States
    791.6×
  75. 73Rapid CitySouth Dakota, United States
    791.6×
  76. 76Bang NaBangkok, Thailand
    791.6×
  77. 76AntofagastaAntofagasta, Chile
    791.6×
  78. 76Columbialow-cost sensorsMissouri, United States
    791.6×
  79. 79TalcahuanoBiobio, Chile
    791.6×
  80. 80Sherwood ParkAlberta, Canada
    781.6×
  81. 81ConcepciónBiobio, Chile
    781.6×
  82. 81ThorntonColorado, United States
    781.6×
  83. 83HanoiHanoi, Vietnam
    771.6×
  84. 83Colorado SpringsColorado, United States
    771.6×
  85. 85CopiapóAtacama, Chile
    771.5×
  86. 85MissoulaMontana, United States
    771.5×
  87. 87Şabāḩ as SālimMubārak al Kabīr, Kuwait
    771.5×
  88. 87BeijingBeijing, China
    771.5×
  89. 89Red DeerAlberta, Canada
    771.5×
  90. 90BadgerAlaska, United States
    761.5×
  91. 91VigevanoLombardy, Italy
    751.5×
  92. 92TimaruCanterbury, New Zealand
    741.4×
  93. 93LotaBiobio, Chile
    741.4×
  94. 94AricaArica y Parinacota Region, Chile
    731.4×
  95. 94San Francisco De BorjaLima region, Peru
    731.4×
  96. 96ChocopeLa Libertad, Peru
    731.4×
  97. 97Queenstown Estatelow-cost sensorsSingapore
    731.4×
  98. 97Grand IslandNebraska, United States
    731.4×
  99. 99CallaoCallao, Peru
    731.4×
  100. 100Ulu BedokSingapore
    721.4×
  101. 101GuangzhouGuangdong, China
    721.4×
  102. 102ToméBiobio, Chile
    721.4×
  103. 102Ken CarylColorado, United States
    721.4×
  104. 104KanchanaburiKanchanaburi, Thailand
    721.4×
  105. 105NarathiwatNarathiwat, Thailand
    721.3×
  106. 105WatertownSouth Dakota, United States
    721.3×
  107. 105Sunland ParkNew Mexico, United States
    721.3×
  108. 108SatunSatun, Thailand
    711.3×
  109. 108Hat YaiSongkhla, Thailand
    711.3×
  110. 110HoustonTexas, United States
    711.3×
  111. 110GreeleyColorado, United States
    711.3×
  112. 112BetongYala, Thailand
    711.3×
  113. 112Accralow-cost sensorsGreater Accra, Ghana
    711.3×
  114. 112Le LamentinMartinique, Martinique
    711.3×
  115. 112Les AbymesGuadeloupe, Guadeloupe
    711.3×
  116. 116Fort-de-FranceMartinique, Martinique
    701.3×
  117. 116ColumbusOhio, United States
    701.3×
  118. 118HelenaMontana, United States
    701.3×
  119. 119WestervilleOhio, United States
    701.3×
  120. 120FontanaCalifornia, United States
    701.3×
  121. 120Fort CollinsColorado, United States
    701.3×
  122. 122SheridanWyoming, United States
    691.3×
  123. 123Walla WallaWashington, United States
    691.3×
  124. 124PhuketPhuket, Thailand
    691.3×
  125. 124Kathmandulow-cost sensorsBagmati Province, Nepal
    691.3×
  126. 126Alto HospicioTarapacá, Chile
    691.2×
  127. 127PortsmouthOhio, United States
    691.2×
  128. 128DerbyKansas, United States
    681.2×
  129. 128RedmondOregon, United States
    681.2×
  130. 130AshgabatAshgabat, Turkmenistan
    681.2×
  131. 130PullmanWashington, United States
    681.2×
  132. 132CincinnatiOhio, United States
    681.2×
  133. 133GlendoraCalifornia, United States
    681.2×
  134. 133Great FallsMontana, United States
    681.2×
  135. 135FairbanksAlaska, United States
    671.2×
  136. 135San Pedro de la PazBiobio, Chile
    671.2×
  137. 135Tri-CitiesWashington, United States
    671.2×
  138. 138East Saint LouisIllinois, United States
    671.2×
  139. 138Saint JosephMissouri, United States
    671.2×
  140. 138CheyenneWyoming, United States
    671.2×
  141. 141Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    671.2×
  142. 141Surat ThaniSurat Thani, Thailand
    671.2×
  143. 141IndianapolisIndiana, United States
    671.2×
  144. 141BendOregon, United States
    671.2×
  145. 145NanNan, Thailand
    671.2×
  146. 145CalamaAntofagasta, Chile
    671.2×
  147. 147Nakhon Si ThammaratNakhon Si Thammarat, Thailand
    671.2×
  148. 147NorwoodOhio, United States
    671.2×
  149. 149MiddletownOhio, United States
    661.2×
  150. 150Kashima-shiIbaraki, Japan
    661.2×
  151. 150CatañoCataño, Puerto Rico
    661.2×
  152. 150AberdeenSouth Dakota, United States
    661.2×
  153. 153MarigotSaint Martin
    661.1×
  154. 153ConroeTexas, United States
    661.1×
  155. 155TulsaOklahoma, United States
    661.1×
  156. 156TrangTrang, Thailand
    661.1×
  157. 156Wan ChaiWan Chai, Hong Kong
    661.1×
  158. 156AmarilloTexas, United States
    661.1×
  159. 156TsuchiuraIbaraki, Japan
    661.1×
  160. 160KamisuIbaraki, Japan
    651.1×
  161. 161YauriCuzco Department, Peru
    651.1×
  162. 161HuntingtonWest Virginia, United States
    651.1×
  163. 161Jurupa ValleyCalifornia, United States
    651.1×
  164. 161Dodge CityKansas, United States
    651.1×
  165. 161AyaseKanagawa, Japan
    651.1×
  166. 166Le RobertMartinique, Martinique
    651.1×
  167. 166Las CrucesNew Mexico, United States
    651.1×
  168. 168Missouri CityTexas, United States
    651.1×
  169. 169TocopillaAntofagasta, Chile
    651.1×
  170. 169BoulderColorado, United States
    651.1×
  171. 171WoodlandsSingapore
    641.1×
  172. 171VallettaValletta, Malta
    641.1×
  173. 171SpringdaleArkansas, United States
    641.1×
  174. 171DaytonOhio, United States
    641.1×
  175. 175ChimboteAncash, Peru
    641.1×
  176. 175TopekaKansas, United States
    641.1×
  177. 177TratTrat, Thailand
    641.1×
  178. 177Nong KhaemBangkok, Thailand
    641.1×
  179. 177ŻabbarĦaż-Żabbar, Malta
    641.1×
  180. 177OlatheKansas, United States
    641.1×
  181. 177MooreOklahoma, United States
    641.1×
  182. 177DenverColorado, United States
    641.1×
  183. 183KasaokaOkayama, Japan
    641.1×
  184. 183CranbrookBritish Columbia, Canada
    641.1×
  185. 185DublinOhio, United States
    631.1×
  186. 186Tanushimarumachi-toyokiFukuoka, Japan
    631.0×
  187. 186MentonProvence-Alpes-Côte d'Azur, France
    631.0×
  188. 186MankatoMinnesota, United States
    631.0×
  189. 186CalexicoCalifornia, United States
    631.0×
  190. 186HobbsNew Mexico, United States
    631.0×
  191. 186CasperWyoming, United States
    631.0×
  192. 192ŌtsukiYamanashi, Japan
    631.0×
  193. 192MostaIl-Mosta, Malta
    631.0×
  194. 192Los AngelesCalifornia, United States
    631.0×
  195. 192RiversideCalifornia, United States
    631.0×
  196. 196TetovoTetovo, North Macedonia
    631.0×
  197. 196EvansvilleIndiana, United States
    631.0×
  198. 196AshlandKentucky, United States
    631.0×
  199. 196BurnsvilleMinnesota, United States
    631.0×
  200. 196BurbankCalifornia, United States
    631.0×

Top 200 of 2,281 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 25, 2024, smogrank.com/history/2024-07-25 (accessed 3 Oct 2026).

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