SmogRank / History / June 4, 2025

Most polluted cities on June 4, 2025

2,645 cities ranked by their average PM2.5 over the day; the worst was Tirupparangunram, India, at 183.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during June 4, 2025. All episodes.

← Tirupparangunram 183.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for June 4, 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. 1TirupparangunramTamil Nadu, India
    25812.2×
  2. 2LinaresMaule Region, Chile
    1968.0×
  3. 3CauquenesMaule Region, Chile
    1927.6×
  4. 4San CarlosÑuble, Chile
    1917.5×
  5. 5Aya NagarDelhi, India
    1897.3×
  6. 6ChillánÑuble, Chile
    1887.3×
  7. 7Los ÁngelesBiobio, Chile
    1856.9×
  8. 8RengoO'Higgins Region, Chile
    1786.3×
  9. 9TalcaMaule Region, Chile
    1756.0×
  10. 10CuricóMaule Region, Chile
    1735.8×
  11. 11NacimientoBiobio, Chile
    1735.8×
  12. 12HualpénBiobio, Chile
    1725.7×
  13. 13SantiagoSantiago Metropolitan, Chile
    1705.6×
  14. 14TalaganteSantiago Metropolitan, Chile
    1685.3×
  15. 15JakartaJakarta, Indonesia
    1665.1×
  16. 16RancaguaO'Higgins Region, Chile
    1655.0×
  17. 17HualquiBiobio, Chile
    1634.8×
  18. 18Oconomowoclow-cost sensorsWisconsin, United States
    1624.8×
  19. 19Puerto VarasLos Lagos Region, Chile
    1624.8×
  20. 20AshgabatAshgabat, Turkmenistan
    1604.6×
  21. 21VillarricaAraucania, Chile
    1584.4×
  22. 21Puente AltoSantiago Metropolitan, Chile
    1584.4×
  23. 23PāliRajasthan, India
    1584.3×
  24. 24Green BayWisconsin, United States
    1554.1×
  25. 25LoniUttar Pradesh, India
    1544.0×
  26. 26RānipetTamil Nadu, India
    1543.9×
  27. 27AppletonWisconsin, United States
    1533.9×
  28. 28NarelaDelhi, India
    1533.9×
  29. 29KigaliKigali, Rwanda
    1533.9×
  30. 30ConcepciónBiobio, Chile
    1523.8×
  31. 31OsornoLos Lagos Region, Chile
    1513.7×
  32. 32BawānaDelhi, India
    1483.6×
  33. 33Puerto MonttLos Lagos Region, Chile
    1473.6×
  34. 34LucknowUttar Pradesh, India
    1463.6×
  35. 35AhmedabadGujarat, India
    1443.5×
  36. 36Prince AlbertSaskatchewan, Canada
    1433.5×
  37. 37RamanathapuramTamil Nadu, India
    1433.5×
  38. 38DelhiDelhi, India
    1423.5×
  39. 38TalcahuanoBiobio, Chile
    1423.5×
  40. 40UdaipurRajasthan, India
    1413.5×
  41. 41RourkelaOdisha, India
    1393.4×
  42. 42CoronelBiobio, Chile
    1393.4×
  43. 43San Pedro de la PazBiobio, Chile
    1373.3×
  44. 44NandedMaharashtra, India
    1363.3×
  45. 45MadisonWisconsin, United States
    1363.3×
  46. 46CuranilahueBiobio, Chile
    1343.3×
  47. 47KhurjaUttar Pradesh, India
    1343.2×
  48. 48QuilpuéValparaiso, Chile
    1333.2×
  49. 49JodaOdisha, India
    1333.2×
  50. 50PatnaBihar, India
    1313.2×
  51. 51Sault Ste. MarieOntario, Canada
    1313.2×
  52. 52SasarāmBihar, India
    1303.2×
  53. 52RairangpurOdisha, India
    1303.2×
  54. 54BulandshahrUttar Pradesh, India
    1293.1×
  55. 55BhiwadiRajasthan, India
    1293.1×
  56. 56HājīpurBihar, India
    1273.1×
  57. 57MilwaukeeWisconsin, United States
    1243.0×
  58. 58JaisalmerRajasthan, India
    1222.9×
  59. 58JaipurRajasthan, India
    1222.9×
  60. 58ZionIllinois, United States
    1222.9×
  61. 61NagaonAssam, India
    1222.9×
  62. 62Cedar RapidsIowa, United States
    1212.9×
  63. 62Rouyn-NorandaQuebec, Canada
    1212.9×
  64. 64TemucoAraucania, Chile
    1212.9×
  65. 64PortageIndiana, United States
    1212.9×
  66. 66BārmerRajasthan, India
    1202.9×
  67. 67QuinteroValparaiso, Chile
    1182.8×
  68. 68ConcónValparaiso, Chile
    1172.8×
  69. 69LudhianaPunjab, India
    1172.8×
  70. 70DoltonIllinois, United States
    1172.8×
  71. 71RasapūdipalemAndhra Pradesh, India
    1162.8×
  72. 71ToméBiobio, Chile
    1162.8×
  73. 73ChiguayanteBiobio, Chile
    1152.7×
  74. 74AnantapurAndhra Pradesh, India
    1152.7×
  75. 75DushanbeDushanbe, Tajikistan
    1142.7×
  76. 76PortsmouthOhio, United States
    1142.7×
  77. 77Iowa CityIowa, United States
    1132.7×
  78. 77Eau ClaireWisconsin, United States
    1132.7×
  79. 79MandideepMadhya Pradesh, India
    1132.7×
  80. 80TonkRajasthan, India
    1112.6×
  81. 81KohimaNagaland, India
    1112.6×
  82. 82SiedlceMazovia, Poland
    1102.6×
  83. 83BarbilOdisha, India
    1092.6×
  84. 84East ChicagoIndiana, United States
    1092.6×
  85. 85VijayawadaAndhra Pradesh, India
    1092.6×
  86. 85WaukeshaWisconsin, United States
    1092.6×
  87. 87ĀsansolWest Bengal, India
    1082.6×
  88. 88BhiwandiMaharashtra, India
    1072.5×
  89. 89GhāziābādUttar Pradesh, India
    1062.5×
  90. 89NoidaUttar Pradesh, India
    1062.5×
  91. 89KhargharMaharashtra, India
    1062.5×
  92. 92PithampurMadhya Pradesh, India
    1052.5×
  93. 93Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1052.5×
  94. 94ManamaManama, Bahrain
    1052.5×
  95. 95Viña del MarValparaiso, Chile
    1052.5×
  96. 96AngulOdisha, India
    1042.5×
  97. 96MarquetteMichigan, United States
    1042.5×
  98. 98RochesterMinnesota, United States
    1042.4×
  99. 99CoyhaiqueAysén, Chile
    1032.4×
  100. 100Michigan CityIndiana, United States
    1022.4×
  101. 101Dera MāndiDelhi, India
    1022.4×
  102. 102DādriUttar Pradesh, India
    1012.4×
  103. 103GaryIndiana, United States
    1012.4×
  104. 104KadapaAndhra Pradesh, India
    1002.4×
  105. 104ValdiviaLos Ríos Region, Chile
    1002.4×
  106. 106HanumāngarhRajasthan, India
    992.3×
  107. 107HammondIndiana, United States
    992.3×
  108. 108NāgaurRajasthan, India
    992.3×
  109. 109South MilwaukeeWisconsin, United States
    992.3×
  110. 110BhilwaraRajasthan, India
    982.3×
  111. 111DausaRajasthan, India
    982.3×
  112. 112AntofagastaAntofagasta, Chile
    982.3×
  113. 113SaharsaBihar, India
    972.3×
  114. 113BānswāraRajasthan, India
    972.3×
  115. 115SingrauliMadhya Pradesh, India
    972.2×
  116. 116Lahorelow-cost sensorsPunjab, Pakistan
    962.2×
  117. 116Ban Talat BuengChon Buri, Thailand
    962.2×
  118. 116ColumbusOhio, United States
    962.2×
  119. 119SrinagarJammu and Kashmir, India
    962.2×
  120. 119SarniaOntario, Canada
    962.2×
  121. 121NairobiNairobi County, Kenya
    962.2×
  122. 121TopekaKansas, United States
    962.2×
  123. 123NajafgarhDelhi, India
    952.2×
  124. 124SaugorMadhya Pradesh, India
    952.2×
  125. 124PrayagrajUttar Pradesh, India
    952.2×
  126. 124WaterlooIowa, United States
    952.2×
  127. 127RānīganjWest Bengal, India
    952.2×
  128. 127NorthbrookIllinois, United States
    952.2×
  129. 129KannurKerala, India
    942.2×
  130. 130WestervilleOhio, United States
    942.2×
  131. 131OlatheKansas, United States
    942.1×
  132. 132VelloreTamil Nadu, India
    932.1×
  133. 133DewasMadhya Pradesh, India
    932.1×
  134. 134KollamKerala, India
    932.1×
  135. 135GandhinagarGujarat, India
    932.1×
  136. 136CholulaPuebla, Mexico
    932.1×
  137. 137Iloilolow-cost sensorsWestern Visayas, Philippines
    922.1×
  138. 137La UniónLos Ríos Region, Chile
    922.1×
  139. 137HuntingtonWest Virginia, United States
    922.1×
  140. 140Port HuronMichigan, United States
    922.1×
  141. 141Sri GanganagarRajasthan, India
    922.1×
  142. 141AjmerRajasthan, India
    922.1×
  143. 143ByasanagarOdisha, India
    912.0×
  144. 143Wadgaon KolhatiMaharashtra, India
    912.0×
  145. 145JalgaonMaharashtra, India
    912.0×
  146. 145ChāndaMaharashtra, India
    912.0×
  147. 147NalbāriAssam, India
    902.0×
  148. 148TirupatiAndhra Pradesh, India
    902.0×
  149. 148Kansas CityKansas, United States
    902.0×
  150. 150CuttackOdisha, India
    902.0×
  151. 150DerbyKansas, United States
    902.0×
  152. 150GobindgarhPunjab, India
    902.0×
  153. 153AshlandKentucky, United States
    902.0×
  154. 154MalegaonMaharashtra, India
    902.0×
  155. 155DūngarpurRajasthan, India
    892.0×
  156. 156GwaliorMadhya Pradesh, India
    892.0×
  157. 157GayaBihar, India
    892.0×
  158. 158Islamabadlow-cost sensorsIslamabad, Pakistan
    892.0×
  159. 159WichitaKansas, United States
    881.9×
  160. 160HyderabadTelangana, India
    881.9×
  161. 160QuthbullapurTelangana, India
    881.9×
  162. 162KanpurUttar Pradesh, India
    881.9×
  163. 162AmravatiMaharashtra, India
    881.9×
  164. 164RājsamandRajasthan, India
    881.9×
  165. 164MinneapolisMinnesota, United States
    881.9×
  166. 164Saint PaulMinnesota, United States
    881.9×
  167. 164AlangadKerala, India
    881.9×
  168. 168NagpurMaharashtra, India
    881.9×
  169. 168WheelingWest Virginia, United States
    881.9×
  170. 170AgraUttar Pradesh, India
    881.9×
  171. 171KalyānMaharashtra, India
    871.9×
  172. 171JalorRajasthan, India
    871.9×
  173. 173TiruchirappalliTamil Nadu, India
    871.9×
  174. 173AmaravatiAndhra Pradesh, India
    871.9×
  175. 175ChittorgarhRajasthan, India
    871.9×
  176. 175AtlixcoPuebla, Mexico
    871.9×
  177. 175Puerto AysénAysén, Chile
    871.9×
  178. 175Calumet CityIllinois, United States
    871.9×
  179. 179MiddletownOhio, United States
    861.9×
  180. 180KolkataWest Bengal, India
    861.9×
  181. 180Nepeanlow-cost sensorsOntario, Canada
    861.9×
  182. 180WindsorOntario, Canada
    861.9×
  183. 180NeelankaraiTamil Nadu, India
    861.9×
  184. 184Rawalpindilow-cost sensorsPunjab, Pakistan
    861.9×
  185. 184MuzaffarpurBihar, India
    861.9×
  186. 184BharatpurRajasthan, India
    861.9×
  187. 184Hacienda Santa FeJalisco, Mexico
    861.9×
  188. 188JabalpurMadhya Pradesh, India
    861.9×
  189. 189VapiGujarat, India
    861.8×
  190. 190SibsāgarAssam, India
    851.8×
  191. 191NandriRajasthan, India
    851.8×
  192. 192JodhpurRajasthan, India
    851.8×
  193. 192BilāspurChhattisgarh, India
    851.8×
  194. 192BikanerRajasthan, India
    851.8×
  195. 192Victoria de DurangoDurango, Mexico
    851.8×
  196. 196Sawai MadhopurRajasthan, India
    851.8×
  197. 196SangāreddiTelangana, India
    851.8×
  198. 196Des MoinesIowa, United States
    851.8×
  199. 199Istanbullow-cost sensorsIstanbul, Turkey
    841.8×
  200. 200SteubenvilleOhio, United States
    841.8×

Top 200 of 2,645 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 4, 2025, smogrank.com/history/2025-06-04 (accessed 2 Oct 2026).

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