SmogRank / History / August 1, 2025

Most polluted cities on August 1, 2025

2,451 cities ranked by their average PM2.5 over the day; the worst was Mankato, United States, at 95.4 µg/m³. Each city's own local calendar day.

Bad-air episodes during August 1, 2025. All episodes.

← Mankato 95.4 µg/m³ 90 µg/m³15 WHO 24-hour guideline
Every city ranked for August 1, 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. 1MankatoMinnesota, United States
    1796.4×
  2. 2SuperiorWisconsin, United States
    1776.2×
  3. 3CoyhaiqueAysén, Chile
    1745.9×
  4. 4DuluthMinnesota, United States
    1695.4×
  5. 5OotyTamil Nadu, India
    1695.4×
  6. 6MinneapolisMinnesota, United States
    1695.4×
  7. 7BlaineMinnesota, United States
    1685.3×
  8. 8BurnsvilleMinnesota, United States
    1655.0×
  9. 9KigaliKigali, Rwanda
    1634.9×
  10. 10Saint PaulMinnesota, United States
    1634.9×
  11. 11Eau ClaireWisconsin, United States
    1634.9×
  12. 12Columbialow-cost sensorsMissouri, United States
    1634.8×
  13. 13RochesterMinnesota, United States
    1624.7×
  14. 14UnderaGujarat, India
    1614.7×
  15. 15Saint MichaelMinnesota, United States
    1614.6×
  16. 16ShakopeeMinnesota, United States
    1604.6×
  17. 17GummidipundiTamil Nadu, India
    1604.6×
  18. 18ChāpraBihar, India
    1604.5×
  19. 19Fort DodgeIowa, United States
    1594.5×
  20. 20Apple ValleyMinnesota, United States
    1584.4×
  21. 21Faisalabadlow-cost sensorsPunjab, Pakistan
    1574.3×
  22. 21OlatheKansas, United States
    1574.3×
  23. 23Saint CloudMinnesota, United States
    1574.2×
  24. 24TopekaKansas, United States
    1564.1×
  25. 25PeoriaIllinois, United States
    1554.1×
  26. 26MolineIllinois, United States
    1543.9×
  27. 27MarquetteMichigan, United States
    1533.9×
  28. 28Kansas CityKansas, United States
    1533.9×
  29. 29BloomingtonIllinois, United States
    1523.8×
  30. 30West FargoNorth Dakota, United States
    1493.7×
  31. 31SpringfieldIllinois, United States
    1453.6×
  32. 32DecaturIllinois, United States
    1423.5×
  33. 33BridgeviewIllinois, United States
    1423.5×
  34. 34Franklin ParkIllinois, United States
    1423.5×
  35. 35JolietIllinois, United States
    1403.4×
  36. 36BrookfieldIllinois, United States
    1393.4×
  37. 37OmahaNebraska, United States
    1393.4×
  38. 38DavenportIowa, United States
    1383.4×
  39. 39Upper AltonIllinois, United States
    1373.3×
  40. 40ElginIllinois, United States
    1363.3×
  41. 41ChampaignIllinois, United States
    1363.3×
  42. 42BellevueNebraska, United States
    1353.3×
  43. 43NapervilleIllinois, United States
    1353.3×
  44. 44Saint JosephMissouri, United States
    1333.2×
  45. 44Elmwood ParkIllinois, United States
    1333.2×
  46. 46HammondIndiana, United States
    1333.2×
  47. 46La VistaNebraska, United States
    1333.2×
  48. 48ClintonIowa, United States
    1333.2×
  49. 49AuroraIllinois, United States
    1323.2×
  50. 50Iowa CityIowa, United States
    1323.2×
  51. 51DoltonIllinois, United States
    1323.2×
  52. 52ChicagoIllinois, United States
    1323.2×
  53. 53Des PlainesIllinois, United States
    1313.2×
  54. 54Granite CityIllinois, United States
    1313.2×
  55. 55Green BayWisconsin, United States
    1303.1×
  56. 56Kansas CityMissouri, United States
    1293.1×
  57. 57Oconomowoclow-cost sensorsWisconsin, United States
    1283.1×
  58. 58East Saint LouisIllinois, United States
    1273.1×
  59. 59Calumet CityIllinois, United States
    1263.0×
  60. 59BrookingsSouth Dakota, United States
    1263.0×
  61. 61Des MoinesIowa, United States
    1263.0×
  62. 62Michigan CityIndiana, United States
    1253.0×
  63. 63WatertownSouth Dakota, United States
    1253.0×
  64. 64Oak LawnIllinois, United States
    1253.0×
  65. 64East ChicagoIndiana, United States
    1253.0×
  66. 64Sioux FallsSouth Dakota, United States
    1253.0×
  67. 67RaymoreMissouri, United States
    1243.0×
  68. 68Multanlow-cost sensorsPunjab, Pakistan
    1243.0×
  69. 69LibertyMissouri, United States
    1233.0×
  70. 70Dubailow-cost sensorsDubai, United Arab Emirates
    1233.0×
  71. 70Prince AlbertSaskatchewan, Canada
    1233.0×
  72. 72CallaoCallao, Peru
    1233.0×
  73. 73LeawoodKansas, United States
    1222.9×
  74. 74San Francisco De BorjaLima region, Peru
    1212.9×
  75. 75AnkenyIowa, United States
    1212.9×
  76. 76Rouyn-NorandaQuebec, Canada
    1212.9×
  77. 77BānswāraRajasthan, India
    1192.9×
  78. 78JaipurRajasthan, India
    1192.8×
  79. 79RockfordIllinois, United States
    1182.8×
  80. 79AppletonWisconsin, United States
    1182.8×
  81. 81Cedar RapidsIowa, United States
    1182.8×
  82. 81Grand IslandNebraska, United States
    1182.8×
  83. 83RamanathapuramTamil Nadu, India
    1182.8×
  84. 84CaryIllinois, United States
    1172.8×
  85. 85Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1172.8×
  86. 86WaterlooIowa, United States
    1162.8×
  87. 87MuscatineIowa, United States
    1162.8×
  88. 88South BendIndiana, United States
    1152.7×
  89. 89AberdeenSouth Dakota, United States
    1152.7×
  90. 90ElkhartIndiana, United States
    1122.7×
  91. 91PithampurMadhya Pradesh, India
    1122.7×
  92. 92Ganghwa-gunIncheon, South Korea
    1112.6×
  93. 93Rawalpindilow-cost sensorsPunjab, Pakistan
    1112.6×
  94. 94MilwaukeeWisconsin, United States
    1102.6×
  95. 95PortageIndiana, United States
    1082.5×
  96. 96AhmedabadGujarat, India
    1072.5×
  97. 97Lahorelow-cost sensorsPunjab, Pakistan
    1072.5×
  98. 97ZionIllinois, United States
    1072.5×
  99. 99St. LouisMissouri, United States
    1062.5×
  100. 100NorthbrookIllinois, United States
    1062.5×
  101. 100GaryIndiana, United States
    1062.5×
  102. 102IncheonIncheon, South Korea
    1062.5×
  103. 103JhānsiUttar Pradesh, India
    1062.5×
  104. 104VijayawadaAndhra Pradesh, India
    1052.5×
  105. 105JakartaJakarta, Indonesia
    1052.5×
  106. 106DerbyKansas, United States
    1042.5×
  107. 107MadisonWisconsin, United States
    1042.5×
  108. 108WaukeshaWisconsin, United States
    1032.4×
  109. 109South MilwaukeeWisconsin, United States
    1032.4×
  110. 110University CityMissouri, United States
    1032.4×
  111. 111Fort WayneIndiana, United States
    1022.4×
  112. 112ArnoldMissouri, United States
    992.3×
  113. 113ByasanagarOdisha, India
    992.3×
  114. 114MuncieIndiana, United States
    992.3×
  115. 115KadapaAndhra Pradesh, India
    982.3×
  116. 116Sault Ste. MarieOntario, Canada
    982.3×
  117. 117Puerto AysénAysén, Chile
    972.3×
  118. 118DushanbeDushanbe, Tajikistan
    962.2×
  119. 118Hwaseong-siGyeonggi-do, South Korea
    962.2×
  120. 120ReginaSaskatchewan, Canada
    962.2×
  121. 121IndianapolisIndiana, United States
    962.2×
  122. 122Gimpo-siGyeonggi-do, South Korea
    962.2×
  123. 123HualpénBiobio, Chile
    952.2×
  124. 124ManamaManama, Bahrain
    942.2×
  125. 125BhelaiChhattisgarh, India
    942.1×
  126. 126Ponca CityOklahoma, United States
    932.1×
  127. 126LafayetteIndiana, United States
    932.1×
  128. 128Ansan-siGyeonggi-do, South Korea
    932.1×
  129. 129MorādābādUttar Pradesh, India
    932.1×
  130. 130SeonghwanChungcheongnam-do, South Korea
    922.1×
  131. 131PyeongtaekGyeonggi-do, South Korea
    922.1×
  132. 131SaskatoonSaskatchewan, Canada
    922.1×
  133. 133DādriUttar Pradesh, India
    922.1×
  134. 134KokomoIndiana, United States
    912.0×
  135. 135AndersonIndiana, United States
    912.0×
  136. 136KotaRajasthan, India
    902.0×
  137. 137TangjinChungcheongnam-do, South Korea
    902.0×
  138. 138Islamabadlow-cost sensorsIslamabad, Pakistan
    902.0×
  139. 139NalbāriAssam, India
    902.0×
  140. 140HollandMichigan, United States
    892.0×
  141. 141MuzaffarnagarUttar Pradesh, India
    892.0×
  142. 142Gujranwalalow-cost sensorsPunjab, Pakistan
    881.9×
  143. 142AmritsarPunjab, India
    881.9×
  144. 144Santa Anita - Los FicusLima region, Peru
    881.9×
  145. 145NagpurMaharashtra, India
    881.9×
  146. 145NoidaUttar Pradesh, India
    881.9×
  147. 147MahādMaharashtra, India
    871.9×
  148. 147YesanChungcheongnam-do, South Korea
    871.9×
  149. 147JenisonMichigan, United States
    871.9×
  150. 150Temalow-cost sensorsGreater Accra, Ghana
    871.9×
  151. 151KalamazooMichigan, United States
    861.9×
  152. 152Taesal-liChungcheongnam-do, South Korea
    861.9×
  153. 152Terre HauteIndiana, United States
    861.9×
  154. 152ToledoOhio, United States
    861.9×
  155. 155NacimientoBiobio, Chile
    861.9×
  156. 156Bucheon-siGyeonggi-do, South Korea
    851.8×
  157. 157MuzaffarpurBihar, India
    851.8×
  158. 157KannurKerala, India
    851.8×
  159. 157Wadgaon KolhatiMaharashtra, India
    851.8×
  160. 160OsornoLos Lagos Region, Chile
    851.8×
  161. 161GwaliorMadhya Pradesh, India
    841.8×
  162. 162Addis AbabaAddis Ababa, Ethiopia
    841.8×
  163. 163SuwonGyeonggi-do, South Korea
    841.8×
  164. 164JhālāwārRajasthan, India
    841.8×
  165. 164SeosanChungcheongnam-do, South Korea
    841.8×
  166. 164BloomingtonIndiana, United States
    841.8×
  167. 164UliyazhathuraKerala, India
    841.8×
  168. 168FishersIndiana, United States
    831.8×
  169. 168LimaOhio, United States
    831.8×
  170. 170ChennaiTamil Nadu, India
    831.8×
  171. 170Goyang-siGyeonggi-do, South Korea
    831.8×
  172. 172HongseongChungcheongnam-do, South Korea
    831.8×
  173. 172CuranilahueBiobio, Chile
    831.8×
  174. 174GandhinagarGujarat, India
    831.7×
  175. 175Hyderabadlow-cost sensorsSindh, Pakistan
    821.7×
  176. 175MiddletownOhio, United States
    821.7×
  177. 177WestervilleOhio, United States
    821.7×
  178. 178Bahawalpurlow-cost sensorsPunjab, Pakistan
    821.7×
  179. 179VelloreTamil Nadu, India
    821.7×
  180. 180JalorRajasthan, India
    811.7×
  181. 181RancaguaO'Higgins Region, Chile
    811.7×
  182. 182BoryeongChungcheongnam-do, South Korea
    811.7×
  183. 183OsanGyeonggi-do, South Korea
    801.7×
  184. 184Grand RapidsMichigan, United States
    801.6×
  185. 185AriyalūrTamil Nadu, India
    801.6×
  186. 185SeoulSeoul, South Korea
    801.6×
  187. 185XonacatlánMéxico, Mexico
    801.6×
  188. 185BarbilOdisha, India
    801.6×
  189. 189HāpurUttar Pradesh, India
    801.6×
  190. 190AshburtonCanterbury, New Zealand
    791.6×
  191. 191DaytonOhio, United States
    791.6×
  192. 192IndoreMadhya Pradesh, India
    791.6×
  193. 193DurgapurWest Bengal, India
    791.6×
  194. 193CheonanChungcheongnam-do, South Korea
    791.6×
  195. 195LemayMissouri, United States
    791.6×
  196. 196Karachilow-cost sensorsSindh, Pakistan
    781.6×
  197. 196DelhiDelhi, India
    781.6×
  198. 196Guri-siGyeonggi-do, South Korea
    781.6×
  199. 196Icheon-siGyeonggi-do, South Korea
    781.6×
  200. 196ColumbusIndiana, United States
    781.6×

Top 200 of 2,451 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 1, 2025, smogrank.com/history/2025-08-01 (accessed 2 Oct 2026).

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