SmogRank / History / July 27, 2024

Most polluted cities on July 27, 2024

2,282 cities ranked by their average PM2.5 over the day; the worst was Kinshasa, Democratic Republic of the Congo, at 143.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during July 27, 2024. All episodes.

← Kinshasa 143.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for July 27, 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
    2189.5×
  2. 2VillarricaAraucania, Chile
    1806.4×
  3. 3NacimientoBiobio, Chile
    1735.8×
  4. 4HualpénBiobio, Chile
    1735.8×
  5. 5Santa Anita - Los FicusLima region, Peru
    1614.6×
  6. 6MeridianIdaho, United States
    1604.6×
  7. 7NampaIdaho, United States
    1594.4×
  8. 8TalaganteSantiago Metropolitan, Chile
    1584.4×
  9. 9Twin FallsIdaho, United States
    1584.3×
  10. 10CuranilahueBiobio, Chile
    1574.3×
  11. 11SantiagoSantiago Metropolitan, Chile
    1564.2×
  12. 12TemucoAraucania, Chile
    1564.2×
  13. 13Puente AltoSantiago Metropolitan, Chile
    1554.1×
  14. 14QuillotaValparaiso, Chile
    1533.9×
  15. 15LewistonIdaho, United States
    1533.9×
  16. 16Kampalalow-cost sensorsCentral Region, Uganda
    1523.8×
  17. 17Puerto VarasLos Lagos Region, Chile
    1523.8×
  18. 18Asunciónlow-cost sensorsAsuncion, Paraguay
    1513.7×
  19. 19BoiseIdaho, United States
    1513.7×
  20. 20CoronelBiobio, Chile
    1503.7×
  21. 21AntananarivoAnalamanga, Madagascar
    1493.7×
  22. 22AltamontOregon, United States
    1473.6×
  23. 23OsornoLos Lagos Region, Chile
    1413.5×
  24. 24Los ÁngelesBiobio, Chile
    1403.4×
  25. 25ShenyangLiaoning, China
    1393.4×
  26. 26Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1363.3×
  27. 27QuilpuéValparaiso, Chile
    1363.3×
  28. 28HualquiBiobio, Chile
    1313.2×
  29. 29CoyhaiqueAysén, Chile
    1283.1×
  30. 30Puerto MonttLos Lagos Region, Chile
    1273.1×
  31. 31Lahorelow-cost sensorsPunjab, Pakistan
    1263.0×
  32. 32TalcahuanoBiobio, Chile
    1243.0×
  33. 33RancaguaO'Higgins Region, Chile
    1233.0×
  34. 34RangioraCanterbury, New Zealand
    1172.8×
  35. 35JakartaJakarta, Indonesia
    1152.7×
  36. 36DushanbeDushanbe, Tajikistan
    1132.7×
  37. 36CuricóMaule Region, Chile
    1132.7×
  38. 38Las VegasNevada, United States
    1112.6×
  39. 39ChiguayanteBiobio, Chile
    1112.6×
  40. 40LimaLima Province, Peru
    1102.6×
  41. 41QuinteroValparaiso, Chile
    1102.6×
  42. 42RengoO'Higgins Region, Chile
    1092.6×
  43. 43DelhiDelhi, India
    1072.5×
  44. 44ButteMontana, United States
    1062.5×
  45. 45ConcepciónBiobio, Chile
    1052.5×
  46. 46ToméBiobio, Chile
    1022.4×
  47. 47MaputoMaputo City, Mozambique
    1012.4×
  48. 48AshlandOregon, United States
    992.3×
  49. 49Karachilow-cost sensorsSindh, Pakistan
    992.3×
  50. 50Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    992.3×
  51. 50Spring ValleyNevada, United States
    992.3×
  52. 52HanoiHanoi, Vietnam
    982.3×
  53. 53BaghdadBaghdad, Iraq
    982.3×
  54. 53MedfordOregon, United States
    982.3×
  55. 55Viña del MarValparaiso, Chile
    982.3×
  56. 56TalcaMaule Region, Chile
    962.2×
  57. 57Summerlin SouthNevada, United States
    952.2×
  58. 58AshgabatAshgabat, Turkmenistan
    952.2×
  59. 59Lexingtonlow-cost sensorsMassachusetts, United States
    942.2×
  60. 60CallaoCallao, Peru
    942.1×
  61. 61BeijingBeijing, China
    932.1×
  62. 62ConcónValparaiso, Chile
    932.1×
  63. 63CopiapóAtacama, Chile
    932.1×
  64. 64Columbialow-cost sensorsMissouri, United States
    932.1×
  65. 65CauquenesMaule Region, Chile
    912.0×
  66. 66San Francisco De BorjaLima region, Peru
    902.0×
  67. 67ChillánÑuble, Chile
    902.0×
  68. 68Şabāḩ as SālimMubārak al Kabīr, Kuwait
    902.0×
  69. 69Nepeanlow-cost sensorsOntario, Canada
    892.0×
  70. 70EnterpriseNevada, United States
    881.9×
  71. 71La SerenaCoquimbo Region, Chile
    871.9×
  72. 71HelenaMontana, United States
    871.9×
  73. 73Fort McMurrayAlberta, Canada
    861.9×
  74. 74CranbrookBritish Columbia, Canada
    861.9×
  75. 75MesquiteNevada, United States
    851.8×
  76. 76AntofagastaAntofagasta, Chile
    841.8×
  77. 77CairoCairo, Egypt
    841.8×
  78. 78BendOregon, United States
    831.8×
  79. 79CatañoCataño, Puerto Rico
    831.7×
  80. 80CoquimboCoquimbo Region, Chile
    821.7×
  81. 81PocatelloIdaho, United States
    821.7×
  82. 81SunnysideWashington, United States
    821.7×
  83. 83RutlandVermont, United States
    811.7×
  84. 84San Pedro de la PazBiobio, Chile
    811.7×
  85. 85TocopillaAntofagasta, Chile
    801.7×
  86. 86Puerto AysénAysén, Chile
    801.6×
  87. 87Bang NaBangkok, Thailand
    801.6×
  88. 88MoscowIdaho, United States
    801.6×
  89. 89SaskatoonSaskatchewan, Canada
    781.6×
  90. 90Addis AbabaAddis Ababa, Ethiopia
    781.6×
  91. 91HendersonNevada, United States
    781.6×
  92. 92ChristchurchCanterbury, New Zealand
    781.6×
  93. 92Jacobo HunterArequipa, Peru
    781.6×
  94. 94RedmondOregon, United States
    771.6×
  95. 95MarigotSaint Martin
    771.5×
  96. 95BozemanMontana, United States
    771.5×
  97. 97Islamabadlow-cost sensorsIslamabad, Pakistan
    771.5×
  98. 98Idaho FallsIdaho, United States
    771.5×
  99. 99KanchanaburiKanchanaburi, Thailand
    771.5×
  100. 100Kathmandulow-cost sensorsBagmati Province, Nepal
    771.5×
  101. 100Sydneylow-cost sensorsNew South Wales, Australia
    771.5×
  102. 102PhuketPhuket, Thailand
    761.5×
  103. 102Hat YaiSongkhla, Thailand
    761.5×
  104. 104SatunSatun, Thailand
    761.5×
  105. 104WorcesterMassachusetts, United States
    761.5×
  106. 106NarathiwatNarathiwat, Thailand
    761.5×
  107. 107BostonMassachusetts, United States
    751.5×
  108. 107BillingsMontana, United States
    751.5×
  109. 109YakimaWashington, United States
    751.5×
  110. 110West FargoNorth Dakota, United States
    751.5×
  111. 111BetongYala, Thailand
    751.5×
  112. 111Jurong WestSingapore
    751.5×
  113. 113PullmanWashington, United States
    741.4×
  114. 114Dhakalow-cost sensorsDhaka Division, Bangladesh
    741.4×
  115. 115KeeneNew Hampshire, United States
    741.4×
  116. 116TrangTrang, Thailand
    731.4×
  117. 116Fort-de-FranceMartinique, Martinique
    731.4×
  118. 116KamloopsBritish Columbia, Canada
    731.4×
  119. 119Nakhon Si ThammaratNakhon Si Thammarat, Thailand
    731.4×
  120. 120EvansvilleIndiana, United States
    721.4×
  121. 121Le LamentinMartinique, Martinique
    721.4×
  122. 121BrocktonMassachusetts, United States
    721.4×
  123. 123YauriCuzco Department, Peru
    721.4×
  124. 123HermistonOregon, United States
    721.4×
  125. 125BurnsvilleMinnesota, United States
    721.4×
  126. 126Surat ThaniSurat Thani, Thailand
    721.3×
  127. 126Fall RiverMassachusetts, United States
    721.3×
  128. 126BangorMaine, United States
    721.3×
  129. 126DuluthMinnesota, United States
    721.3×
  130. 126MontréalQuebec, Canada
    721.3×
  131. 131DorvalQuebec, Canada
    711.3×
  132. 132Villa Poeta José Gálvez BarrenecheaLima region, Peru
    711.3×
  133. 132MankatoMinnesota, United States
    711.3×
  134. 132DerryNew Hampshire, United States
    711.3×
  135. 135LowellMassachusetts, United States
    711.3×
  136. 135QuincyMassachusetts, United States
    711.3×
  137. 135PortlandMaine, United States
    711.3×
  138. 135SuperiorWisconsin, United States
    711.3×
  139. 139Les AbymesGuadeloupe, Guadeloupe
    711.3×
  140. 139LotaBiobio, Chile
    711.3×
  141. 139San ClementeIca, Peru
    711.3×
  142. 139PortsmouthNew Hampshire, United States
    711.3×
  143. 143AricaArica y Parinacota Region, Chile
    711.3×
  144. 143LynnMassachusetts, United States
    711.3×
  145. 143RexburgIdaho, United States
    711.3×
  146. 143SpokaneWashington, United States
    711.3×
  147. 143Spokane ValleyWashington, United States
    711.3×
  148. 143Walla WallaWashington, United States
    711.3×
  149. 149RochesterMinnesota, United States
    701.3×
  150. 149ShakopeeMinnesota, United States
    701.3×
  151. 151ChocopeLa Libertad, Peru
    701.3×
  152. 151AugustaMaine, United States
    701.3×
  153. 151Great FallsMontana, United States
    701.3×
  154. 154MinneapolisMinnesota, United States
    701.3×
  155. 154WatertownSouth Dakota, United States
    701.3×
  156. 154EdmontonAlberta, Canada
    701.3×
  157. 157LethbridgeAlberta, Canada
    701.3×
  158. 158TimaruCanterbury, New Zealand
    701.3×
  159. 158Saint PaulMinnesota, United States
    701.3×
  160. 160CalamaAntofagasta, Chile
    691.3×
  161. 161Nong KhaemBangkok, Thailand
    691.3×
  162. 162Ang Mo Kio New TownSingapore
    691.3×
  163. 163KnoxvilleTennessee, United States
    691.2×
  164. 164Saint CloudMinnesota, United States
    691.2×
  165. 164Saint MichaelMinnesota, United States
    691.2×
  166. 164PendletonOregon, United States
    691.2×
  167. 167VigevanoLombardy, Italy
    691.2×
  168. 167Alto HospicioTarapacá, Chile
    691.2×
  169. 167GranbyQuebec, Canada
    691.2×
  170. 170SaguenayQuebec, Canada
    681.2×
  171. 170Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada
    681.2×
  172. 172AnkenyIowa, United States
    681.2×
  173. 173Ulu BedokSingapore
    671.2×
  174. 174Wan ChaiWan Chai, Hong Kong
    671.2×
  175. 174Accralow-cost sensorsGreater Accra, Ghana
    671.2×
  176. 174Le RobertMartinique, Martinique
    671.2×
  177. 174DrummondvilleQuebec, Canada
    671.2×
  178. 178MukdahanMukdahan, Thailand
    671.2×
  179. 178Prince AlbertSaskatchewan, Canada
    671.2×
  180. 178TsuchiuraIbaraki, Japan
    671.2×
  181. 181SereďTrnava Region, Slovakia
    671.2×
  182. 181Boulder CityNevada, United States
    671.2×
  183. 181Medicine HatAlberta, Canada
    671.2×
  184. 184East Saint LouisIllinois, United States
    671.2×
  185. 185NurembergBavaria, Germany
    661.2×
  186. 185SpringfieldMassachusetts, United States
    661.2×
  187. 187AberdeenSouth Dakota, United States
    661.2×
  188. 188ŌtsukiYamanashi, Japan
    661.1×
  189. 188MostÚstí nad Labem Region, Czechia
    661.1×
  190. 188RadomskoŁódź Voivodeship, Poland
    661.1×
  191. 188Valley StationKentucky, United States
    661.1×
  192. 188SherbrookeQuebec, Canada
    661.1×
  193. 193Nakhon RatchasimaNakhon Ratchasima, Thailand
    661.1×
  194. 193MissoulaMontana, United States
    661.1×
  195. 195KalasinKalasin, Thailand
    661.1×
  196. 195GainesvilleGeorgia, United States
    661.1×
  197. 197AlgiersAlgiers, Algeria
    651.1×
  198. 198DanburyConnecticut, United States
    651.1×
  199. 198AlbanyNew York, United States
    651.1×
  200. 198ProvidenceRhode Island, United States
    651.1×

Top 200 of 2,282 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 27, 2024, smogrank.com/history/2024-07-27 (accessed 3 Oct 2026).

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