SmogRank / History / August 11, 2025

Most polluted cities on August 11, 2025

2,605 cities ranked by their average PM2.5 over the day; the worst was San Carlos, Chile, at 128.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during August 11, 2025. All episodes.

← San Carlos 128.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for August 11, 2025, 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. 1San CarlosÑuble, Chile
    2038.5×
  2. 2Gujranwalalow-cost sensorsPunjab, Pakistan
    1887.2×
  3. 3CoyhaiqueAysén, Chile
    1755.9×
  4. 4RānipetTamil Nadu, India
    1745.9×
  5. 5Sri GanganagarRajasthan, India
    1715.6×
  6. 6TiruppurTamil Nadu, India
    1705.6×
  7. 7JhānsiUttar Pradesh, India
    1695.4×
  8. 8OotyTamil Nadu, India
    1685.3×
  9. 9Winnipeglow-cost sensorsManitoba, Canada
    1644.9×
  10. 10PonferradaCastille and León, Spain
    1634.9×
  11. 11LinaresMaule Region, Chile
    1634.8×
  12. 12Puerto AysénAysén, Chile
    1604.6×
  13. 13CuricóMaule Region, Chile
    1594.5×
  14. 14SaharsaBihar, India
    1594.4×
  15. 15ChillánÑuble, Chile
    1574.3×
  16. 16TalcaMaule Region, Chile
    1543.9×
  17. 17TalaganteSantiago Metropolitan, Chile
    1533.9×
  18. 18West FargoNorth Dakota, United States
    1533.9×
  19. 19LudhianaPunjab, India
    1523.8×
  20. 20Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1523.8×
  21. 21Bihār SharīfBihar, India
    1453.6×
  22. 21SantiagoSantiago Metropolitan, Chile
    1453.6×
  23. 23Aya NagarDelhi, India
    1443.5×
  24. 24NacimientoBiobio, Chile
    1413.5×
  25. 25DushanbeDushanbe, Tajikistan
    1403.4×
  26. 26VillarricaAraucania, Chile
    1383.4×
  27. 27MuzaffarnagarUttar Pradesh, India
    1373.3×
  28. 28Sialkotlow-cost sensorsPunjab, Pakistan
    1333.2×
  29. 28RamanathapuramTamil Nadu, India
    1333.2×
  30. 30ManamaManama, Bahrain
    1333.2×
  31. 31GummidipundiTamil Nadu, India
    1313.2×
  32. 32Lahorelow-cost sensorsPunjab, Pakistan
    1313.2×
  33. 33Islamabadlow-cost sensorsIslamabad, Pakistan
    1303.1×
  34. 33AurangābādBihar, India
    1303.1×
  35. 35ChittoorAndhra Pradesh, India
    1293.1×
  36. 36Saint CloudMinnesota, United States
    1283.1×
  37. 37KigaliKigali, Rwanda
    1273.1×
  38. 38GobindgarhPunjab, India
    1273.1×
  39. 39Puente AltoSantiago Metropolitan, Chile
    1263.1×
  40. 40Santa LucíaCanary Islands, Spain
    1263.0×
  41. 41RancaguaO'Higgins Region, Chile
    1233.0×
  42. 42Los ÁngelesBiobio, Chile
    1233.0×
  43. 43JakartaJakarta, Indonesia
    1222.9×
  44. 44HājīpurBihar, India
    1212.9×
  45. 45Rawalpindilow-cost sensorsPunjab, Pakistan
    1212.9×
  46. 46Faisalabadlow-cost sensorsPunjab, Pakistan
    1192.9×
  47. 47BānswāraRajasthan, India
    1192.9×
  48. 47RengoO'Higgins Region, Chile
    1192.9×
  49. 49ArrecifeCanary Islands, Spain
    1182.8×
  50. 50Greater NoidaUttar Pradesh, India
    1172.8×
  51. 51KalaburagiKarnataka, India
    1162.8×
  52. 52BhāgalpurBihar, India
    1152.8×
  53. 52HualquiBiobio, Chile
    1152.8×
  54. 54SingrauliMadhya Pradesh, India
    1132.7×
  55. 55TonkRajasthan, India
    1132.7×
  56. 55PāliRajasthan, India
    1132.7×
  57. 57MothīhāriBihar, India
    1122.7×
  58. 58NalbāriAssam, India
    1112.6×
  59. 59VijayawadaAndhra Pradesh, India
    1102.6×
  60. 60CuranilahueBiobio, Chile
    1102.6×
  61. 60AberdeenSouth Dakota, United States
    1102.6×
  62. 62HualpénBiobio, Chile
    1092.6×
  63. 63TirupparangunramTamil Nadu, India
    1092.6×
  64. 64QuilpuéValparaiso, Chile
    1092.6×
  65. 65SamāstipurBihar, India
    1082.5×
  66. 65MankatoMinnesota, United States
    1082.5×
  67. 67BuxarBihar, India
    1072.5×
  68. 68SuperiorWisconsin, United States
    1062.5×
  69. 69BathindaPunjab, India
    1062.5×
  70. 70Pimpri-ChinchwadMaharashtra, India
    1062.5×
  71. 71Dera Colliery TownshipOdisha, India
    1062.5×
  72. 72MeerutUttar Pradesh, India
    1032.4×
  73. 72GorakhpurUttar Pradesh, India
    1032.4×
  74. 74BulandshahrUttar Pradesh, India
    1022.4×
  75. 75Multanlow-cost sensorsPunjab, Pakistan
    1002.4×
  76. 76MorādābādUttar Pradesh, India
    992.3×
  77. 77AjmerRajasthan, India
    982.3×
  78. 78PithampurMadhya Pradesh, India
    982.3×
  79. 79NagaonAssam, India
    972.3×
  80. 79CoronelBiobio, Chile
    972.3×
  81. 81RasapūdipalemAndhra Pradesh, India
    972.3×
  82. 82BaddiHimachal Pradesh, India
    962.2×
  83. 83RourkelaOdisha, India
    962.2×
  84. 83ĀsansolWest Bengal, India
    962.2×
  85. 83BhiwadiRajasthan, India
    962.2×
  86. 86BhiwandiMaharashtra, India
    952.2×
  87. 86Sioux FallsSouth Dakota, United States
    952.2×
  88. 88KhannaPunjab, India
    952.2×
  89. 89DādriUttar Pradesh, India
    952.2×
  90. 90PratāpgarhRajasthan, India
    952.2×
  91. 91ChāpraBihar, India
    942.1×
  92. 91BawānaDelhi, India
    942.1×
  93. 93KatiharBihar, India
    932.1×
  94. 94MangaluruKarnataka, India
    932.1×
  95. 94ConcónValparaiso, Chile
    932.1×
  96. 96AngulOdisha, India
    932.1×
  97. 96Ganghwa-gunIncheon, South Korea
    932.1×
  98. 98KanchipuramTamil Nadu, India
    922.1×
  99. 98GhāziābādUttar Pradesh, India
    922.1×
  100. 98GayaBihar, India
    922.1×
  101. 98ChāndaMaharashtra, India
    922.1×
  102. 102DelhiDelhi, India
    922.1×
  103. 103TiruchirappalliTamil Nadu, India
    922.1×
  104. 103SangāreddiTelangana, India
    922.1×
  105. 103KalyānMaharashtra, India
    922.1×
  106. 106QuinteroValparaiso, Chile
    912.1×
  107. 106NoidaUttar Pradesh, India
    912.1×
  108. 108UdaipurRajasthan, India
    912.0×
  109. 109AnantapurAndhra Pradesh, India
    902.0×
  110. 109CauquenesMaule Region, Chile
    902.0×
  111. 111GūduvāncheriTamil Nadu, India
    902.0×
  112. 111BarbilOdisha, India
    902.0×
  113. 113VrindāvanUttar Pradesh, India
    902.0×
  114. 114QuthbullapurTelangana, India
    892.0×
  115. 115ArāriaBihar, India
    892.0×
  116. 116AshgabatAshgabat, Turkmenistan
    892.0×
  117. 117Addis AbabaAddis Ababa, Ethiopia
    881.9×
  118. 118AlangadKerala, India
    881.9×
  119. 119TumkūrKarnataka, India
    881.9×
  120. 119NarelaDelhi, India
    881.9×
  121. 119ManlleuCatalonia, Spain
    881.9×
  122. 122JalandharPunjab, India
    871.9×
  123. 122CholulaPuebla, Mexico
    871.9×
  124. 124BhopalMadhya Pradesh, India
    871.9×
  125. 124LeónCastille and León, Spain
    871.9×
  126. 126DhuleMaharashtra, India
    861.9×
  127. 127JaipurRajasthan, India
    861.9×
  128. 127Quezon Citylow-cost sensorsNational Capital Region, Philippines
    861.9×
  129. 129HyderabadTelangana, India
    861.8×
  130. 129DūngarpurRajasthan, India
    861.8×
  131. 129ShakopeeMinnesota, United States
    861.8×
  132. 132FuenlabradaMadrid, Spain
    851.8×
  133. 133MinneapolisMinnesota, United States
    851.8×
  134. 134NagpurMaharashtra, India
    851.8×
  135. 135San Pedro de la PazBiobio, Chile
    841.8×
  136. 136HāpurUttar Pradesh, India
    841.8×
  137. 137BrookingsSouth Dakota, United States
    841.8×
  138. 138PurniaBihar, India
    841.8×
  139. 138ChittorgarhRajasthan, India
    841.8×
  140. 140XonacatlánMéxico, Mexico
    831.8×
  141. 141BelpaharOdisha, India
    831.8×
  142. 142SāngliMaharashtra, India
    831.8×
  143. 142AmravatiMaharashtra, India
    831.8×
  144. 142BlaineMinnesota, United States
    831.8×
  145. 145QuillotaValparaiso, Chile
    831.7×
  146. 145ChiguayanteBiobio, Chile
    831.7×
  147. 147Mollet del VallèsCatalonia, Spain
    831.7×
  148. 147TuxtlaChiapas, Mexico
    831.7×
  149. 149DurgapurWest Bengal, India
    821.7×
  150. 149VigevanoLombardy, Italy
    821.7×
  151. 151DausaRajasthan, India
    821.7×
  152. 151LleidaCatalonia, Spain
    821.7×
  153. 151NavalpattuTamil Nadu, India
    821.7×
  154. 154ThrissurKerala, India
    821.7×
  155. 154MuzaffarpurBihar, India
    821.7×
  156. 154BurnsvilleMinnesota, United States
    821.7×
  157. 157RānīganjWest Bengal, India
    821.7×
  158. 157DuluthMinnesota, United States
    821.7×
  159. 159JhālāwārRajasthan, India
    821.7×
  160. 160Istanbullow-cost sensorsIstanbul, Turkey
    811.7×
  161. 161MalegaonMaharashtra, India
    811.7×
  162. 162UliyazhathuraKerala, India
    811.7×
  163. 163Gasteiz / VitoriaBasque Country, Spain
    811.7×
  164. 164AmritsarPunjab, India
    811.7×
  165. 164Hwaseong-siGyeonggi-do, South Korea
    811.7×
  166. 164JumillaMurcia, Spain
    811.7×
  167. 167Iloilolow-cost sensorsWestern Visayas, Philippines
    801.7×
  168. 167Winterthurlow-cost sensorsZurich, Switzerland
    801.7×
  169. 169Karachilow-cost sensorsSindh, Pakistan
    801.7×
  170. 169San Francisco TlalcilalcalpanMéxico, Mexico
    801.7×
  171. 171PatnaBihar, India
    801.6×
  172. 172DewasMadhya Pradesh, India
    801.6×
  173. 172IncheonIncheon, South Korea
    801.6×
  174. 172SarajevoFederation of B&H, Bosnia and Herzegovina
    801.6×
  175. 172La SerenaCoquimbo Region, Chile
    801.6×
  176. 176GwaliorMadhya Pradesh, India
    801.6×
  177. 176Ashaimanlow-cost sensorsGreater Accra, Ghana
    801.6×
  178. 176JaénAndalusia, Spain
    801.6×
  179. 176Viña del MarValparaiso, Chile
    801.6×
  180. 180Saint PaulMinnesota, United States
    791.6×
  181. 181OsornoLos Lagos Region, Chile
    791.6×
  182. 182SilcharAssam, India
    791.6×
  183. 182Medina del CampoCastille and León, Spain
    791.6×
  184. 182TocopillaAntofagasta, Chile
    791.6×
  185. 185BārānRajasthan, India
    791.6×
  186. 186CopiapóAtacama, Chile
    781.6×
  187. 186ByasanagarOdisha, India
    781.6×
  188. 188RatlāmMadhya Pradesh, India
    781.6×
  189. 189PalenciaCastille and León, Spain
    781.6×
  190. 190Naucalpan de JuárezMéxico, Mexico
    781.6×
  191. 191ToméBiobio, Chile
    781.6×
  192. 192Zagreblow-cost sensorsZagreb, Croatia
    771.6×
  193. 193BilāspurChhattisgarh, India
    771.5×
  194. 193BhilwaraRajasthan, India
    771.5×
  195. 195WatertownSouth Dakota, United States
    771.5×
  196. 196Dera MāndiDelhi, India
    771.5×
  197. 196BhelaiChhattisgarh, India
    771.5×
  198. 196AriyalūrTamil Nadu, India
    771.5×
  199. 196AcerraCampania, Italy
    771.5×
  200. 200ChūruRajasthan, India
    771.5×

Top 200 of 2,605 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

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SmogRank, most polluted cities, PM2.5, August 11, 2025, smogrank.com/history/2025-08-11 (accessed 2 Oct 2026).

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