SmogRank / History / August 8, 2025

Most polluted cities on August 8, 2025

2,478 cities ranked by their average PM2.5 over the day; the worst was Sri Ganganagar, India, at 146.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during August 8, 2025. All episodes.

← Sri Ganganagar 146.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for August 8, 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. 1Sri GanganagarRajasthan, India
    2219.7×
  2. 2NagapattinamTamil Nadu, India
    2189.5×
  3. 3CoyhaiqueAysén, Chile
    2038.5×
  4. 4NacimientoBiobio, Chile
    1978.1×
  5. 5Prince AlbertSaskatchewan, Canada
    1846.8×
  6. 6RānipetTamil Nadu, India
    1816.6×
  7. 7Winnipeglow-cost sensorsManitoba, Canada
    1766.1×
  8. 8CuranilahueBiobio, Chile
    1675.2×
  9. 9LinaresMaule Region, Chile
    1634.8×
  10. 10JhānsiUttar Pradesh, India
    1624.7×
  11. 11San CarlosÑuble, Chile
    1594.5×
  12. 12TemucoAraucania, Chile
    1594.5×
  13. 13Fort McMurrayAlberta, Canada
    1594.4×
  14. 14VillarricaAraucania, Chile
    1594.4×
  15. 15SamāstipurBihar, India
    1574.3×
  16. 16PalenciaCastille and León, Spain
    1574.2×
  17. 17SangāreddiTelangana, India
    1564.1×
  18. 18CoronelBiobio, Chile
    1554.1×
  19. 19HualpénBiobio, Chile
    1523.8×
  20. 20Puerto VarasLos Lagos Region, Chile
    1523.8×
  21. 21CuricóMaule Region, Chile
    1503.7×
  22. 22Bihār SharīfBihar, India
    1493.7×
  23. 22RengoO'Higgins Region, Chile
    1493.7×
  24. 24Greater NoidaUttar Pradesh, India
    1463.6×
  25. 25MuzaffarnagarUttar Pradesh, India
    1463.6×
  26. 26ChillánÑuble, Chile
    1433.5×
  27. 27Nepeanlow-cost sensorsOntario, Canada
    1433.5×
  28. 28ManamaManama, Bahrain
    1433.5×
  29. 29RasapūdipalemAndhra Pradesh, India
    1423.5×
  30. 30BānswāraRajasthan, India
    1423.5×
  31. 31Los ÁngelesBiobio, Chile
    1383.4×
  32. 32OsornoLos Lagos Region, Chile
    1373.3×
  33. 32NeelankaraiTamil Nadu, India
    1373.3×
  34. 34Puerto AysénAysén, Chile
    1363.3×
  35. 35AjmerRajasthan, India
    1343.3×
  36. 36SaharsaBihar, India
    1333.2×
  37. 37FillmoreCalifornia, United States
    1313.2×
  38. 38VeszprémVeszprém, Hungary
    1313.2×
  39. 39RancaguaO'Higgins Region, Chile
    1263.1×
  40. 40SantiagoSantiago Metropolitan, Chile
    1263.0×
  41. 41PithampurMadhya Pradesh, India
    1222.9×
  42. 42MandideepMadhya Pradesh, India
    1212.9×
  43. 43GummidipundiTamil Nadu, India
    1212.9×
  44. 43Temalow-cost sensorsGreater Accra, Ghana
    1212.9×
  45. 45TalaganteSantiago Metropolitan, Chile
    1172.8×
  46. 46Ashaimanlow-cost sensorsGreater Accra, Ghana
    1172.8×
  47. 47Puente AltoSantiago Metropolitan, Chile
    1172.8×
  48. 48TonkRajasthan, India
    1162.8×
  49. 49Lahorelow-cost sensorsPunjab, Pakistan
    1162.8×
  50. 49HualquiBiobio, Chile
    1162.8×
  51. 51AnantapurAndhra Pradesh, India
    1142.7×
  52. 52Gujranwalalow-cost sensorsPunjab, Pakistan
    1132.7×
  53. 53Faisalabadlow-cost sensorsPunjab, Pakistan
    1132.7×
  54. 54MorādābādUttar Pradesh, India
    1112.6×
  55. 55LoniUttar Pradesh, India
    1092.6×
  56. 56KingstonOntario, Canada
    1092.6×
  57. 57PanvelMaharashtra, India
    1092.6×
  58. 58PāliRajasthan, India
    1082.5×
  59. 59KhannaPunjab, India
    1072.5×
  60. 59BulandshahrUttar Pradesh, India
    1072.5×
  61. 61KanchipuramTamil Nadu, India
    1072.5×
  62. 61BhiwadiRajasthan, India
    1072.5×
  63. 63BelagaviKarnataka, India
    1062.5×
  64. 63TalcahuanoBiobio, Chile
    1062.5×
  65. 65OttawaOntario, Canada
    1052.5×
  66. 66Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1042.5×
  67. 67KadapaAndhra Pradesh, India
    1042.5×
  68. 67BhāgalpurBihar, India
    1042.5×
  69. 69Rawalpindilow-cost sensorsPunjab, Pakistan
    1032.4×
  70. 69DushanbeDushanbe, Tajikistan
    1032.4×
  71. 69JakartaJakarta, Indonesia
    1032.4×
  72. 69BaddiHimachal Pradesh, India
    1032.4×
  73. 73BāghpatUttar Pradesh, India
    1022.4×
  74. 74TiruchirappalliTamil Nadu, India
    1022.4×
  75. 74GhāziābādUttar Pradesh, India
    1022.4×
  76. 74TalcaMaule Region, Chile
    1022.4×
  77. 77BhiwandiMaharashtra, India
    1022.4×
  78. 78BawānaDelhi, India
    1012.4×
  79. 79FuenlabradaMadrid, Spain
    1002.4×
  80. 80CuddaloreTamil Nadu, India
    1002.3×
  81. 81KotaRajasthan, India
    992.3×
  82. 82Sialkotlow-cost sensorsPunjab, Pakistan
    992.3×
  83. 83DausaRajasthan, India
    982.3×
  84. 84VijayawadaAndhra Pradesh, India
    982.3×
  85. 84SaskatoonSaskatchewan, Canada
    982.3×
  86. 86PratāpgarhRajasthan, India
    982.3×
  87. 87Multanlow-cost sensorsPunjab, Pakistan
    972.3×
  88. 88BadlapurMaharashtra, India
    972.3×
  89. 89KannurKerala, India
    972.2×
  90. 89Aya NagarDelhi, India
    972.2×
  91. 91MeerutUttar Pradesh, India
    962.2×
  92. 91BuffaloNew York, United States
    962.2×
  93. 93BellevilleOntario, Canada
    962.2×
  94. 94La UniónLos Ríos Region, Chile
    962.2×
  95. 95NagaonAssam, India
    962.2×
  96. 95DādriUttar Pradesh, India
    962.2×
  97. 97ConcepciónBiobio, Chile
    962.2×
  98. 97CauquenesMaule Region, Chile
    962.2×
  99. 97Wake Forestlow-cost sensorsNorth Carolina, United States
    962.2×
  100. 100Dera Colliery TownshipOdisha, India
    952.2×
  101. 101KalyānMaharashtra, India
    952.2×
  102. 101ChāpraBihar, India
    952.2×
  103. 103AlangadKerala, India
    952.2×
  104. 104TuxtlaChiapas, Mexico
    952.2×
  105. 104QuillotaValparaiso, Chile
    952.2×
  106. 104MontréalQuebec, Canada
    952.2×
  107. 107DorvalQuebec, Canada
    942.2×
  108. 108GranbyQuebec, Canada
    942.2×
  109. 109HājīpurBihar, India
    932.1×
  110. 110HāpurUttar Pradesh, India
    932.1×
  111. 110DūngarpurRajasthan, India
    932.1×
  112. 110GobindgarhPunjab, India
    932.1×
  113. 113PatiālaPunjab, India
    932.1×
  114. 113CornwallOntario, Canada
    932.1×
  115. 113VapiGujarat, India
    932.1×
  116. 116JaipurRajasthan, India
    932.1×
  117. 116QuilpuéValparaiso, Chile
    932.1×
  118. 116RochesterNew York, United States
    932.1×
  119. 119JumillaMurcia, Spain
    922.1×
  120. 119SteubenvilleOhio, United States
    922.1×
  121. 121TorontoOntario, Canada
    912.0×
  122. 122Accralow-cost sensorsGreater Accra, Ghana
    902.0×
  123. 122ChiguayanteBiobio, Chile
    902.0×
  124. 122NewmarketOntario, Canada
    902.0×
  125. 125MuzaffarpurBihar, India
    902.0×
  126. 125KatiharBihar, India
    902.0×
  127. 125BrossardQuebec, Canada
    902.0×
  128. 128Sorel-TracyQuebec, Canada
    902.0×
  129. 129LexingtonNorth Carolina, United States
    902.0×
  130. 130DrummondvilleQuebec, Canada
    892.0×
  131. 131ThrissurKerala, India
    892.0×
  132. 131NalbāriAssam, India
    892.0×
  133. 131BaripādaOdisha, India
    892.0×
  134. 134ToméBiobio, Chile
    892.0×
  135. 134Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada
    892.0×
  136. 136Islamabadlow-cost sensorsIslamabad, Pakistan
    892.0×
  137. 136BhopalMadhya Pradesh, India
    892.0×
  138. 138UdaipurRajasthan, India
    881.9×
  139. 138PatnaBihar, India
    881.9×
  140. 138GandhinagarGujarat, India
    881.9×
  141. 141ValdiviaLos Ríos Region, Chile
    881.9×
  142. 142Dera MāndiDelhi, India
    881.9×
  143. 142UliyazhathuraKerala, India
    881.9×
  144. 144JaénAndalusia, Spain
    881.9×
  145. 145ArāriaBihar, India
    871.9×
  146. 146RājsamandRajasthan, India
    871.9×
  147. 146JhālāwārRajasthan, India
    871.9×
  148. 146ChandigarhChandigarh, India
    871.9×
  149. 146HickoryNorth Carolina, United States
    871.9×
  150. 150DelhiDelhi, India
    871.9×
  151. 151Addis AbabaAddis Ababa, Ethiopia
    861.9×
  152. 151HyderabadTelangana, India
    861.9×
  153. 153BhayandarMaharashtra, India
    861.9×
  154. 153Winston-SalemNorth Carolina, United States
    861.9×
  155. 155SaugorMadhya Pradesh, India
    851.8×
  156. 155JalandharPunjab, India
    851.8×
  157. 157BarrieOntario, Canada
    851.8×
  158. 158ClemmonsNorth Carolina, United States
    851.8×
  159. 158SyracuseNew York, United States
    851.8×
  160. 160PeterboroughOntario, Canada
    851.8×
  161. 161Stodůlkylow-cost sensorsPrague, Czechia
    851.8×
  162. 161PittsburghPennsylvania, United States
    851.8×
  163. 163RatlāmMadhya Pradesh, India
    841.8×
  164. 163San Pedro de la PazBiobio, Chile
    841.8×
  165. 163NoidaUttar Pradesh, India
    841.8×
  166. 166San Francisco De BorjaLima region, Peru
    841.8×
  167. 167YoungstownOhio, United States
    841.8×
  168. 168PurniaBihar, India
    841.8×
  169. 168DewasMadhya Pradesh, India
    841.8×
  170. 170AmritsarPunjab, India
    841.8×
  171. 170Iloilolow-cost sensorsWestern Visayas, Philippines
    841.8×
  172. 170Trois-RivièresQuebec, Canada
    841.8×
  173. 173MalegaonMaharashtra, India
    831.8×
  174. 173AntofagastaAntofagasta, Chile
    831.8×
  175. 175JhunjhunūnRajasthan, India
    831.8×
  176. 175UticaNew York, United States
    831.8×
  177. 177ShrīrāmpurWest Bengal, India
    831.8×
  178. 177NarelaDelhi, India
    831.8×
  179. 177DhaulpurRajasthan, India
    831.8×
  180. 177ConcónValparaiso, Chile
    831.8×
  181. 181Saint-Jean-sur-RichelieuQuebec, Canada
    831.7×
  182. 182ValdemoroMadrid, Spain
    831.7×
  183. 182QuinteroValparaiso, Chile
    831.7×
  184. 182West MifflinPennsylvania, United States
    831.7×
  185. 185Istanbullow-cost sensorsIstanbul, Turkey
    821.7×
  186. 186ChāndaMaharashtra, India
    821.7×
  187. 187NavalpattuTamil Nadu, India
    821.7×
  188. 188Lake ElsinoreCalifornia, United States
    821.7×
  189. 189GwaliorMadhya Pradesh, India
    821.7×
  190. 189AhmedabadGujarat, India
    821.7×
  191. 189SarajevoFederation of B&H, Bosnia and Herzegovina
    821.7×
  192. 192IndoreMadhya Pradesh, India
    811.7×
  193. 192RoanokeVirginia, United States
    811.7×
  194. 192St. CatharinesOntario, Canada
    811.7×
  195. 195Puerto MonttLos Lagos Region, Chile
    811.7×
  196. 196AriyalūrTamil Nadu, India
    811.7×
  197. 196TocopillaAntofagasta, Chile
    811.7×
  198. 198RourkelaOdisha, India
    801.7×
  199. 198BhelaiChhattisgarh, India
    801.7×
  200. 198AnkleshwarGujarat, India
    801.7×

Top 200 of 2,478 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 8, 2025, smogrank.com/history/2025-08-08 (accessed 2 Oct 2026).

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