SmogRank / History / June 6, 2025

Most polluted cities on June 6, 2025

2,585 cities ranked by their average PM2.5 over the day; the worst was Hualpén, Chile, at 142.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during June 6, 2025. All episodes.

← Hualpén 142.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for June 6, 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. 1HualpénBiobio, Chile
    2179.5×
  2. 2Nepeanlow-cost sensorsOntario, Canada
    1937.7×
  3. 3CoyhaiqueAysén, Chile
    1836.7×
  4. 4AmritsarPunjab, India
    1796.4×
  5. 5DushanbeDushanbe, Tajikistan
    1776.1×
  6. 6OttawaOntario, Canada
    1756.0×
  7. 7TalcahuanoBiobio, Chile
    1745.9×
  8. 8OsornoLos Lagos Region, Chile
    1745.8×
  9. 9SantiagoSantiago Metropolitan, Chile
    1725.7×
  10. 10VirārMaharashtra, India
    1705.5×
  11. 11RengoO'Higgins Region, Chile
    1695.4×
  12. 12BellevilleOntario, Canada
    1685.3×
  13. 13TalaganteSantiago Metropolitan, Chile
    1675.3×
  14. 13NacimientoBiobio, Chile
    1675.3×
  15. 15Sept-ÎlesQuebec, Canada
    1675.2×
  16. 16Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1634.9×
  17. 16L'Ancienne-LoretteQuebec, Canada
    1634.9×
  18. 18MangaluruKarnataka, India
    1634.9×
  19. 19CoronelBiobio, Chile
    1634.9×
  20. 20Puente AltoSantiago Metropolitan, Chile
    1624.8×
  21. 21RancaguaO'Higgins Region, Chile
    1624.7×
  22. 22CornwallOntario, Canada
    1614.7×
  23. 23AngulOdisha, India
    1614.6×
  24. 24DorvalQuebec, Canada
    1604.6×
  25. 25MontréalQuebec, Canada
    1604.5×
  26. 26TorontoOntario, Canada
    1604.5×
  27. 27BrantfordOntario, Canada
    1594.5×
  28. 28SaguenayQuebec, Canada
    1594.5×
  29. 29NarelaDelhi, India
    1594.4×
  30. 29PeterboroughOntario, Canada
    1594.4×
  31. 31BhiwadiRajasthan, India
    1584.4×
  32. 32WindsorOntario, Canada
    1584.3×
  33. 33Fort McMurrayAlberta, Canada
    1574.3×
  34. 34PāliRajasthan, India
    1574.3×
  35. 35KitchenerOntario, Canada
    1574.3×
  36. 36OakvilleOntario, Canada
    1574.3×
  37. 37GūduvāncheriTamil Nadu, India
    1574.2×
  38. 37LondonOntario, Canada
    1574.2×
  39. 39Sialkotlow-cost sensorsPunjab, Pakistan
    1564.2×
  40. 39Islamabadlow-cost sensorsIslamabad, Pakistan
    1564.2×
  41. 41ChillánÑuble, Chile
    1564.2×
  42. 42MiltonOntario, Canada
    1564.2×
  43. 43LoniUttar Pradesh, India
    1554.1×
  44. 44QuébecQuebec, Canada
    1554.0×
  45. 44Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada
    1554.0×
  46. 46RānipetTamil Nadu, India
    1554.0×
  47. 47GandhinagarGujarat, India
    1544.0×
  48. 48Santa Anita - Los FicusLima region, Peru
    1544.0×
  49. 49JaipurRajasthan, India
    1544.0×
  50. 50SingrauliMadhya Pradesh, India
    1544.0×
  51. 51BawānaDelhi, India
    1544.0×
  52. 52KingstonOntario, Canada
    1544.0×
  53. 53Puerto MonttLos Lagos Region, Chile
    1543.9×
  54. 53HamiltonOntario, Canada
    1543.9×
  55. 55LudhianaPunjab, India
    1533.9×
  56. 56Sorel-TracyQuebec, Canada
    1533.9×
  57. 57LucknowUttar Pradesh, India
    1533.9×
  58. 58CauquenesMaule Region, Chile
    1533.9×
  59. 59CuranilahueBiobio, Chile
    1533.9×
  60. 60ĀsansolWest Bengal, India
    1523.8×
  61. 60GobindgarhPunjab, India
    1523.8×
  62. 62ShawiniganQuebec, Canada
    1523.8×
  63. 63AhmedabadGujarat, India
    1523.8×
  64. 64Lincoln ParkMichigan, United States
    1523.8×
  65. 65CuricóMaule Region, Chile
    1523.8×
  66. 66MississaugaOntario, Canada
    1523.8×
  67. 67GhāziābādUttar Pradesh, India
    1523.8×
  68. 68SouthfieldMichigan, United States
    1513.7×
  69. 69DearbornMichigan, United States
    1513.7×
  70. 69YpsilantiMichigan, United States
    1513.7×
  71. 71DetroitMichigan, United States
    1513.7×
  72. 72Puerto VarasLos Lagos Region, Chile
    1503.7×
  73. 73Trois-RivièresQuebec, Canada
    1503.7×
  74. 74BrossardQuebec, Canada
    1493.7×
  75. 75GuelphOntario, Canada
    1493.7×
  76. 76BramptonOntario, Canada
    1483.6×
  77. 77JalandharPunjab, India
    1483.6×
  78. 78NewmarketOntario, Canada
    1463.6×
  79. 79HualquiBiobio, Chile
    1463.6×
  80. 79TaylorMichigan, United States
    1463.6×
  81. 81BulandshahrUttar Pradesh, India
    1443.5×
  82. 82KhannaPunjab, India
    1433.5×
  83. 82EastpointeMichigan, United States
    1433.5×
  84. 84TemucoAraucania, Chile
    1423.5×
  85. 85BathindaPunjab, India
    1413.5×
  86. 86Sawai MadhopurRajasthan, India
    1403.4×
  87. 87RedfordMichigan, United States
    1393.4×
  88. 87MohaliPunjab, India
    1393.4×
  89. 89RourkelaOdisha, India
    1393.4×
  90. 90BhiwandiMaharashtra, India
    1383.4×
  91. 91WaterdownOntario, Canada
    1363.3×
  92. 92OregonOhio, United States
    1353.3×
  93. 93BānswāraRajasthan, India
    1343.3×
  94. 94DūngarpurRajasthan, India
    1343.3×
  95. 95Lahorelow-cost sensorsPunjab, Pakistan
    1343.3×
  96. 96JodaOdisha, India
    1323.2×
  97. 97UdaipurRajasthan, India
    1323.2×
  98. 98HājīpurBihar, India
    1313.2×
  99. 99AnantapurAndhra Pradesh, India
    1313.2×
  100. 99St. ThomasOntario, Canada
    1313.2×
  101. 101KalamazooMichigan, United States
    1303.2×
  102. 102MuzaffarnagarUttar Pradesh, India
    1303.1×
  103. 103ChittorgarhRajasthan, India
    1293.1×
  104. 104Rouyn-NorandaQuebec, Canada
    1293.1×
  105. 105NagaonAssam, India
    1293.1×
  106. 106ChandigarhChandigarh, India
    1283.1×
  107. 107DhuleMaharashtra, India
    1273.1×
  108. 107DelhiDelhi, India
    1273.1×
  109. 110PerrysburgOhio, United States
    1263.0×
  110. 110ChathamOntario, Canada
    1263.0×
  111. 112ToméBiobio, Chile
    1253.0×
  112. 113PatnaBihar, India
    1253.0×
  113. 113PithampurMadhya Pradesh, India
    1253.0×
  114. 115KhargharMaharashtra, India
    1253.0×
  115. 116RasapūdipalemAndhra Pradesh, India
    1253.0×
  116. 117Puerto AysénAysén, Chile
    1243.0×
  117. 118NagpurMaharashtra, India
    1243.0×
  118. 119TirupparangunramTamil Nadu, India
    1233.0×
  119. 119KotaRajasthan, India
    1233.0×
  120. 119KadapaAndhra Pradesh, India
    1233.0×
  121. 122LinaresMaule Region, Chile
    1222.9×
  122. 123ToledoOhio, United States
    1222.9×
  123. 124GranbyQuebec, Canada
    1222.9×
  124. 125San CarlosÑuble, Chile
    1222.9×
  125. 126JolietIllinois, United States
    1212.9×
  126. 127ChiguayanteBiobio, Chile
    1212.9×
  127. 128HanumāngarhRajasthan, India
    1202.9×
  128. 128QuilpuéValparaiso, Chile
    1202.9×
  129. 130JabalpurMadhya Pradesh, India
    1202.9×
  130. 131QuinteroValparaiso, Chile
    1192.9×
  131. 131BarbilOdisha, India
    1192.9×
  132. 133VelloreTamil Nadu, India
    1192.9×
  133. 134Rawalpindilow-cost sensorsPunjab, Pakistan
    1192.8×
  134. 134VapiGujarat, India
    1192.8×
  135. 136PanvelMaharashtra, India
    1182.8×
  136. 137Saint-Jean-sur-RichelieuQuebec, Canada
    1182.8×
  137. 138TalcaMaule Region, Chile
    1182.8×
  138. 139KigaliKigali, Rwanda
    1172.8×
  139. 140VijayawadaAndhra Pradesh, India
    1172.8×
  140. 141BhilwaraRajasthan, India
    1152.8×
  141. 142ConcepciónBiobio, Chile
    1142.7×
  142. 143BadlapurMaharashtra, India
    1142.7×
  143. 144HammondIndiana, United States
    1132.7×
  144. 145Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    1132.7×
  145. 145KolkataWest Bengal, India
    1132.7×
  146. 145BridgeviewIllinois, United States
    1132.7×
  147. 148TonkRajasthan, India
    1122.7×
  148. 149SrinagarJammu and Kashmir, India
    1122.7×
  149. 149JakartaJakarta, Indonesia
    1122.7×
  150. 149VillarricaAraucania, Chile
    1122.7×
  151. 149La UniónLos Ríos Region, Chile
    1122.7×
  152. 153RaipurChhattisgarh, India
    1122.7×
  153. 153NāgaurRajasthan, India
    1122.7×
  154. 155PeoriaIllinois, United States
    1112.6×
  155. 155San Pedro de la PazBiobio, Chile
    1112.6×
  156. 157SalemTamil Nadu, India
    1112.6×
  157. 158ConcónValparaiso, Chile
    1112.6×
  158. 159MuzaffarpurBihar, India
    1102.6×
  159. 159GayaBihar, India
    1102.6×
  160. 161St. CatharinesOntario, Canada
    1102.6×
  161. 162DrummondvilleQuebec, Canada
    1092.6×
  162. 163ByasanagarOdisha, India
    1092.6×
  163. 164ManamaManama, Bahrain
    1082.6×
  164. 164KhurjaUttar Pradesh, India
    1082.6×
  165. 166RairangpurOdisha, India
    1082.6×
  166. 167DausaRajasthan, India
    1082.6×
  167. 167AurangābādBihar, India
    1082.6×
  168. 169DādriUttar Pradesh, India
    1082.5×
  169. 170BarrieOntario, Canada
    1072.5×
  170. 171SīkarRajasthan, India
    1072.5×
  171. 171MalegaonMaharashtra, India
    1072.5×
  172. 171CoimbatoreTamil Nadu, India
    1072.5×
  173. 171Viña del MarValparaiso, Chile
    1072.5×
  174. 175TirupatiAndhra Pradesh, India
    1062.5×
  175. 175Los ÁngelesBiobio, Chile
    1062.5×
  176. 177Oak LawnIllinois, United States
    1062.5×
  177. 178RānīganjWest Bengal, India
    1062.5×
  178. 178DoltonIllinois, United States
    1062.5×
  179. 180AllistonOntario, Canada
    1052.5×
  180. 181Victoria de DurangoDurango, Mexico
    1052.5×
  181. 182SpringfieldIllinois, United States
    1032.4×
  182. 182NapervilleIllinois, United States
    1032.4×
  183. 184Dera MāndiDelhi, India
    1022.4×
  184. 185Aya NagarDelhi, India
    1022.4×
  185. 186Calumet CityIllinois, United States
    1022.4×
  186. 187ShrīrāmpurWest Bengal, India
    1012.4×
  187. 187Oconomowoclow-cost sensorsWisconsin, United States
    1012.4×
  188. 189JalgaonMaharashtra, India
    1012.4×
  189. 189Franklin ParkIllinois, United States
    1012.4×
  190. 191JhunjhunūnRajasthan, India
    1012.4×
  191. 191Elmwood ParkIllinois, United States
    1012.4×
  192. 193SholapurMaharashtra, India
    1002.4×
  193. 193DurgapurWest Bengal, India
    1002.4×
  194. 195KohimaNagaland, India
    1002.4×
  195. 195AgraUttar Pradesh, India
    1002.4×
  196. 197ChicagoIllinois, United States
    1002.3×
  197. 198BilāspurChhattisgarh, India
    992.3×
  198. 198MandideepMadhya Pradesh, India
    992.3×
  199. 200RajamahendravaramAndhra Pradesh, India
    992.3×

Top 200 of 2,585 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, June 6, 2025, smogrank.com/history/2025-06-06 (accessed 2 Oct 2026).

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