SmogRank / History / August 1, 2024

Most polluted cities on August 1, 2024

2,166 cities ranked by their average PM2.5 over the day; the worst was Coyhaique, Chile, at 142.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during August 1, 2024. All episodes.

← Coyhaique 142.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for August 1, 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. 1CoyhaiqueAysén, Chile
    2179.5×
  2. 2DushanbeDushanbe, Tajikistan
    2078.8×
  3. 3Santa Anita - Los FicusLima region, Peru
    1867.0×
  4. 4Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1846.8×
  5. 5Kathmandulow-cost sensorsBagmati Province, Nepal
    1786.3×
  6. 6JakartaJakarta, Indonesia
    1584.4×
  7. 7CairoCairo, Egypt
    1544.0×
  8. 8RengoO'Higgins Region, Chile
    1544.0×
  9. 9AltamontOregon, United States
    1533.9×
  10. 10AntananarivoAnalamanga, Madagascar
    1493.7×
  11. 11RancaguaO'Higgins Region, Chile
    1453.6×
  12. 12LimaLima Province, Peru
    1353.3×
  13. 13LimogesNew Aquitaine, France
    1333.2×
  14. 14West MemphisArkansas, United States
    1283.1×
  15. 15BartlettTennessee, United States
    1253.0×
  16. 16LongmontColorado, United States
    1253.0×
  17. 17BakuBaki, Azerbaijan
    1222.9×
  18. 18Puente AltoSantiago Metropolitan, Chile
    1212.9×
  19. 19BaghdadBaghdad, Iraq
    1162.8×
  20. 20Lahorelow-cost sensorsPunjab, Pakistan
    1152.7×
  21. 21San Francisco De BorjaLima region, Peru
    1152.7×
  22. 22SantiagoSantiago Metropolitan, Chile
    1142.7×
  23. 23Puerto AysénAysén, Chile
    1132.7×
  24. 24CallaoCallao, Peru
    1122.7×
  25. 25ShreveportLouisiana, United States
    1122.7×
  26. 26Little RockArkansas, United States
    1092.6×
  27. 27MaputoMaputo City, Mozambique
    1062.5×
  28. 27QuillotaValparaiso, Chile
    1062.5×
  29. 29Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    1062.5×
  30. 30HernandoMississippi, United States
    1032.4×
  31. 31Kampalalow-cost sensorsCentral Region, Uganda
    1022.4×
  32. 32McAlesterOklahoma, United States
    1022.4×
  33. 33MooreOklahoma, United States
    1012.4×
  34. 34AdaOklahoma, United States
    992.3×
  35. 35SpringdaleArkansas, United States
    982.3×
  36. 36EdmondOklahoma, United States
    982.3×
  37. 37Şabāḩ as SālimMubārak al Kabīr, Kuwait
    982.3×
  38. 38TexarkanaTexas, United States
    972.3×
  39. 39Fort SmithArkansas, United States
    972.3×
  40. 40Fort WorthTexas, United States
    962.2×
  41. 41CorsicanaTexas, United States
    962.2×
  42. 41SaginawTexas, United States
    962.2×
  43. 43DentonTexas, United States
    952.2×
  44. 44MedfordOregon, United States
    952.2×
  45. 45Oklahoma CityOklahoma, United States
    952.2×
  46. 46ChicoCalifornia, United States
    932.1×
  47. 47JacksonMississippi, United States
    932.1×
  48. 48Puerto MonttLos Lagos Region, Chile
    912.1×
  49. 49DyersburgTennessee, United States
    912.0×
  50. 50Eagle PassTexas, United States
    902.0×
  51. 50AshlandOregon, United States
    902.0×
  52. 52TalaganteSantiago Metropolitan, Chile
    902.0×
  53. 53BoulderColorado, United States
    902.0×
  54. 54CuricóMaule Region, Chile
    902.0×
  55. 54Villa Poeta José Gálvez BarrenecheaLima region, Peru
    902.0×
  56. 56JenksOklahoma, United States
    892.0×
  57. 56LawtonOklahoma, United States
    892.0×
  58. 56ConroeTexas, United States
    892.0×
  59. 59AntofagastaAntofagasta, Chile
    892.0×
  60. 60JacksonTennessee, United States
    881.9×
  61. 61BirminghamAlabama, United States
    881.9×
  62. 61AustinTexas, United States
    881.9×
  63. 61BeltonTexas, United States
    881.9×
  64. 61Nepeanlow-cost sensorsOntario, Canada
    881.9×
  65. 65Live OakTexas, United States
    871.9×
  66. 66TulsaOklahoma, United States
    861.9×
  67. 67GentFlanders, Belgium
    861.9×
  68. 68OsornoLos Lagos Region, Chile
    861.8×
  69. 68Jacobo HunterArequipa, Peru
    861.8×
  70. 68GeorgetownTexas, United States
    861.8×
  71. 71Baton RougeLouisiana, United States
    851.8×
  72. 71San MarcosTexas, United States
    851.8×
  73. 73Los ÁngelesBiobio, Chile
    851.8×
  74. 73TaylorTexas, United States
    851.8×
  75. 75LochristiFlanders, Belgium
    851.8×
  76. 76SalorTashkent Region, Uzbekistan
    841.8×
  77. 77OremUtah, United States
    831.8×
  78. 78ChocopeLa Libertad, Peru
    831.7×
  79. 79College StationTexas, United States
    831.7×
  80. 80ChillánÑuble, Chile
    821.7×
  81. 81AricaArica y Parinacota Region, Chile
    821.7×
  82. 82LafayetteLouisiana, United States
    811.7×
  83. 83AshgabatAshgabat, Turkmenistan
    811.7×
  84. 83ValdiviaLos Ríos Region, Chile
    811.7×
  85. 83El PasoTexas, United States
    811.7×
  86. 86MechelenFlanders, Belgium
    811.7×
  87. 87WillebroekFlanders, Belgium
    811.7×
  88. 88ColumbiaTennessee, United States
    811.7×
  89. 88ParadiseCalifornia, United States
    811.7×
  90. 90OdessaTexas, United States
    801.7×
  91. 91DecaturAlabama, United States
    801.6×
  92. 92DallasTexas, United States
    801.6×
  93. 93MillcreekUtah, United States
    791.6×
  94. 94AntwerpFlanders, Belgium
    791.6×
  95. 94CoronelBiobio, Chile
    791.6×
  96. 96HuntsvilleAlabama, United States
    781.6×
  97. 97ZwijndrechtFlanders, Belgium
    781.6×
  98. 97HualquiBiobio, Chile
    781.6×
  99. 99NashvilleTennessee, United States
    771.6×
  100. 100Abujalow-cost sensorsFCT, Nigeria
    771.5×
  101. 100HoustonTexas, United States
    771.5×
  102. 100ThorntonColorado, United States
    771.5×
  103. 103IzegemFlanders, Belgium
    771.5×
  104. 104MolFlanders, Belgium
    771.5×
  105. 104Ponca CityOklahoma, United States
    771.5×
  106. 104HendersonvilleTennessee, United States
    771.5×
  107. 104RenoNevada, United States
    771.5×
  108. 108KortrijkFlanders, Belgium
    761.5×
  109. 108Port ArthurTexas, United States
    761.5×
  110. 110La UniónLos Ríos Region, Chile
    761.5×
  111. 110Rouyn-NorandaQuebec, Canada
    761.5×
  112. 112EvergemFlanders, Belgium
    761.5×
  113. 112SulphurLouisiana, United States
    761.5×
  114. 114BitolaBitola, North Macedonia
    761.5×
  115. 115TooeleUtah, United States
    761.5×
  116. 116BeverenFlanders, Belgium
    751.5×
  117. 117CuranilahueBiobio, Chile
    751.5×
  118. 117Mission BendTexas, United States
    751.5×
  119. 119QuinteroValparaiso, Chile
    751.5×
  120. 119PaducahKentucky, United States
    751.5×
  121. 121KolkataWest Bengal, India
    751.5×
  122. 121TalcaMaule Region, Chile
    751.5×
  123. 123BaytownTexas, United States
    741.4×
  124. 124Missouri CityTexas, United States
    741.4×
  125. 125RoeselareFlanders, Belgium
    741.4×
  126. 126ChennaiTamil Nadu, India
    741.4×
  127. 126BeijingBeijing, China
    741.4×
  128. 128PasadenaTexas, United States
    731.4×
  129. 128Spanish SpringsNevada, United States
    731.4×
  130. 130ChiguayanteBiobio, Chile
    731.4×
  131. 130West JordanUtah, United States
    731.4×
  132. 132Greater SudburyOntario, Canada
    731.4×
  133. 133Asunciónlow-cost sensorsAsuncion, Paraguay
    731.4×
  134. 133BessemerAlabama, United States
    731.4×
  135. 135VillarricaAraucania, Chile
    731.4×
  136. 135CopiapóAtacama, Chile
    731.4×
  137. 135San Salvador TizatlalliMéxico, Mexico
    731.4×
  138. 138MenenFlanders, Belgium
    721.4×
  139. 138KrefeldNorth Rhine-Westphalia, Germany
    721.4×
  140. 138Salt Lake CityUtah, United States
    721.4×
  141. 138West Valley CityUtah, United States
    721.4×
  142. 142TalcahuanoBiobio, Chile
    721.4×
  143. 142CauquenesMaule Region, Chile
    721.4×
  144. 144GrimbergenFlanders, Belgium
    721.4×
  145. 145Alto HospicioTarapacá, Chile
    721.4×
  146. 146KavadarciKavadarci, North Macedonia
    711.3×
  147. 146HanoiHanoi, Vietnam
    711.3×
  148. 146TemucoAraucania, Chile
    711.3×
  149. 149AlgiersAlgiers, Algeria
    711.3×
  150. 149CherbourgNormandy, France
    711.3×
  151. 149ClarksvilleTennessee, United States
    711.3×
  152. 152PortervilleCalifornia, United States
    711.3×
  153. 153BakersfieldCalifornia, United States
    701.3×
  154. 154KoksijdeFlanders, Belgium
    701.3×
  155. 154RoubaixHauts-de-France, France
    701.3×
  156. 154Grants PassOregon, United States
    701.3×
  157. 157StrumicaStrumica, North Macedonia
    701.3×
  158. 158Saint-ÉtienneAuvergne-Rhône-Alpes, France
    701.3×
  159. 159Corpus ChristiTexas, United States
    701.3×
  160. 160AarschotFlanders, Belgium
    691.3×
  161. 160La PorteTexas, United States
    691.3×
  162. 160KenmoreNew York, United States
    691.3×
  163. 160FontanaCalifornia, United States
    691.3×
  164. 160South Lake TahoeCalifornia, United States
    691.3×
  165. 165San ClementeIca, Peru
    691.3×
  166. 165HerrimanUtah, United States
    691.3×
  167. 167NettetalNorth Rhine-Westphalia, Germany
    691.3×
  168. 167JüchenNorth Rhine-Westphalia, Germany
    691.3×
  169. 167SarajevoFederation of B&H, Bosnia and Herzegovina
    691.3×
  170. 167Viña del MarValparaiso, Chile
    691.3×
  171. 167Carson CityNevada, United States
    691.3×
  172. 172VelesVeles, North Macedonia
    691.2×
  173. 172ToméBiobio, Chile
    691.2×
  174. 174TilburgNorth Brabant, The Netherlands
    691.2×
  175. 174Le HavreNormandy, France
    691.2×
  176. 176Karachilow-cost sensorsSindh, Pakistan
    691.2×
  177. 176Wan ChaiWan Chai, Hong Kong
    691.2×
  178. 176WormsRheinland-Pfalz, Germany
    691.2×
  179. 176La SerenaCoquimbo Region, Chile
    691.2×
  180. 176Spanish ForkUtah, United States
    691.2×
  181. 181KochiKochi, Japan
    681.2×
  182. 181GrenobleAuvergne-Rhône-Alpes, France
    681.2×
  183. 181LubbockTexas, United States
    681.2×
  184. 184Dhakalow-cost sensorsDhaka Division, Bangladesh
    681.2×
  185. 185Bang NaBangkok, Thailand
    681.2×
  186. 185GalvestonTexas, United States
    681.2×
  187. 187ŌtsukiYamanashi, Japan
    681.2×
  188. 187Falconara MarittimaThe Marches, Italy
    681.2×
  189. 187Lexingtonlow-cost sensorsMassachusetts, United States
    681.2×
  190. 187Sault Ste. MarieOntario, Canada
    681.2×
  191. 191BrusselsBrussels Capital, Belgium
    681.2×
  192. 191KatowiceSilesia, Poland
    681.2×
  193. 191QuilpuéValparaiso, Chile
    681.2×
  194. 194ConcónValparaiso, Chile
    671.2×
  195. 195CalamaAntofagasta, Chile
    671.2×
  196. 195MarquetteMichigan, United States
    671.2×
  197. 197StabroekFlanders, Belgium
    671.2×
  198. 197Sunland ParkNew Mexico, United States
    671.2×
  199. 197BountifulUtah, United States
    671.2×
  200. 200BergheimNorth Rhine-Westphalia, Germany
    671.2×

Top 200 of 2,166 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, August 1, 2024, smogrank.com/history/2024-08-01 (accessed 3 Oct 2026).

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