SmogRank / History / June 24, 2025

Most polluted cities on June 24, 2025

2,658 cities ranked by their average PM2.5 over the day; the worst was Saharsa, India, at 163.0 µg/m³. Each city's own local calendar day.

← Saharsa 163.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for June 24, 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. 1SaharsaBihar, India
    23810.9×
  2. 2HualpénBiobio, Chile
    2028.5×
  3. 3Sri GanganagarRajasthan, India
    1947.8×
  4. 4UnderaGujarat, India
    1897.3×
  5. 5MangaluruKarnataka, India
    1877.1×
  6. 6BūndiRajasthan, India
    1867.1×
  7. 7BhilwaraRajasthan, India
    1867.0×
  8. 8NacimientoBiobio, Chile
    1856.9×
  9. 9LinaresMaule Region, Chile
    1806.5×
  10. 10GobindgarhPunjab, India
    1756.0×
  11. 11CuricóMaule Region, Chile
    1705.5×
  12. 12TalcahuanoBiobio, Chile
    1665.1×
  13. 13VillarricaAraucania, Chile
    1655.0×
  14. 14CuranilahueBiobio, Chile
    1614.7×
  15. 15DushanbeDushanbe, Tajikistan
    1604.6×
  16. 16CuddaloreTamil Nadu, India
    1594.5×
  17. 17BawānaDelhi, India
    1584.4×
  18. 18Gujranwalalow-cost sensorsPunjab, Pakistan
    1574.3×
  19. 19San CarlosÑuble, Chile
    1564.2×
  20. 20Rawalpindilow-cost sensorsPunjab, Pakistan
    1564.2×
  21. 21KigaliKigali, Rwanda
    1554.1×
  22. 22NarelaDelhi, India
    1554.1×
  23. 23LoniUttar Pradesh, India
    1554.1×
  24. 24NajafgarhDelhi, India
    1554.0×
  25. 25LudhianaPunjab, India
    1544.0×
  26. 26Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1533.9×
  27. 27RancaguaO'Higgins Region, Chile
    1533.9×
  28. 28Sialkotlow-cost sensorsPunjab, Pakistan
    1523.8×
  29. 29PāliRajasthan, India
    1513.7×
  30. 30BurgosCastille and León, Spain
    1513.7×
  31. 31Islamabadlow-cost sensorsIslamabad, Pakistan
    1503.7×
  32. 32Los ÁngelesBiobio, Chile
    1493.7×
  33. 33JakartaJakarta, Indonesia
    1483.6×
  34. 34CoronelBiobio, Chile
    1453.6×
  35. 35SamāstipurBihar, India
    1453.6×
  36. 36TemucoAraucania, Chile
    1443.5×
  37. 37ManamaManama, Bahrain
    1443.5×
  38. 37SangāreddiTelangana, India
    1443.5×
  39. 39RourkelaOdisha, India
    1403.4×
  40. 40KarauliRajasthan, India
    1393.4×
  41. 41Faisalabadlow-cost sensorsPunjab, Pakistan
    1383.4×
  42. 41TalaganteSantiago Metropolitan, Chile
    1383.4×
  43. 43HualquiBiobio, Chile
    1373.3×
  44. 44BarcelonaCatalonia, Spain
    1363.3×
  45. 45TirupparangunramTamil Nadu, India
    1363.3×
  46. 46TalcaMaule Region, Chile
    1353.3×
  47. 47ChillánÑuble, Chile
    1323.2×
  48. 48KatiharBihar, India
    1303.1×
  49. 49GorakhpurUttar Pradesh, India
    1293.1×
  50. 50HājīpurBihar, India
    1273.1×
  51. 50GummidipundiTamil Nadu, India
    1273.1×
  52. 52MuzaffarnagarUttar Pradesh, India
    1273.1×
  53. 53RengoO'Higgins Region, Chile
    1263.1×
  54. 53San Pedro de la PazBiobio, Chile
    1263.1×
  55. 55Lahorelow-cost sensorsPunjab, Pakistan
    1263.0×
  56. 56SantiagoSantiago Metropolitan, Chile
    1243.0×
  57. 57Puente AltoSantiago Metropolitan, Chile
    1222.9×
  58. 58GhāziābādUttar Pradesh, India
    1192.9×
  59. 59RamanathapuramTamil Nadu, India
    1182.8×
  60. 60BhelaiChhattisgarh, India
    1172.8×
  61. 61NoidaUttar Pradesh, India
    1172.8×
  62. 62DelhiDelhi, India
    1172.8×
  63. 63PatnaBihar, India
    1142.7×
  64. 64Puerto AysénAysén, Chile
    1122.7×
  65. 64LimaLima Province, Peru
    1122.7×
  66. 66TonkRajasthan, India
    1102.6×
  67. 67ConcepciónBiobio, Chile
    1102.6×
  68. 68AnantapurAndhra Pradesh, India
    1092.6×
  69. 69QuilpuéValparaiso, Chile
    1092.6×
  70. 70AngulOdisha, India
    1092.6×
  71. 70CallaoCallao, Peru
    1092.6×
  72. 72AlwarRajasthan, India
    1082.6×
  73. 73BhiwadiRajasthan, India
    1072.5×
  74. 74NairobiNairobi County, Kenya
    1072.5×
  75. 75ChiguayanteBiobio, Chile
    1072.5×
  76. 76OsornoLos Lagos Region, Chile
    1062.5×
  77. 77Dubailow-cost sensorsDubai, United Arab Emirates
    1052.5×
  78. 77NagaonAssam, India
    1052.5×
  79. 79RānipetTamil Nadu, India
    1052.5×
  80. 80KadapaAndhra Pradesh, India
    1042.4×
  81. 81JaipurRajasthan, India
    1032.4×
  82. 82RangioraCanterbury, New Zealand
    1032.4×
  83. 83ToméBiobio, Chile
    1022.4×
  84. 84LucknowUttar Pradesh, India
    1022.4×
  85. 84Dera MāndiDelhi, India
    1022.4×
  86. 84CoyhaiqueAysén, Chile
    1022.4×
  87. 87AjmerRajasthan, India
    1002.4×
  88. 87KhargharMaharashtra, India
    1002.4×
  89. 89QuillotaValparaiso, Chile
    992.3×
  90. 89CauquenesMaule Region, Chile
    992.3×
  91. 91Multanlow-cost sensorsPunjab, Pakistan
    992.3×
  92. 92Aya NagarDelhi, India
    982.3×
  93. 93TambaramTamil Nadu, India
    982.3×
  94. 94RasapūdipalemAndhra Pradesh, India
    972.3×
  95. 95San Francisco De BorjaLima region, Peru
    972.2×
  96. 96VijayawadaAndhra Pradesh, India
    962.2×
  97. 97Karachilow-cost sensorsSindh, Pakistan
    962.2×
  98. 97QuinteroValparaiso, Chile
    962.2×
  99. 97Wake Forestlow-cost sensorsNorth Carolina, United States
    962.2×
  100. 100KhannaPunjab, India
    962.2×
  101. 101ValdiviaLos Ríos Region, Chile
    952.2×
  102. 101BaddiHimachal Pradesh, India
    952.2×
  103. 103DādriUttar Pradesh, India
    942.1×
  104. 104SrinagarJammu and Kashmir, India
    932.1×
  105. 104JhālāwārRajasthan, India
    932.1×
  106. 106KalyānMaharashtra, India
    922.1×
  107. 106HyderabadTelangana, India
    922.1×
  108. 108BulandshahrUttar Pradesh, India
    922.1×
  109. 108Villa Poeta José Gálvez BarrenecheaLima region, Peru
    922.1×
  110. 110TirupatiAndhra Pradesh, India
    922.1×
  111. 110KanpurUttar Pradesh, India
    922.1×
  112. 112Quettalow-cost sensorsBalochistan, Pakistan
    912.1×
  113. 112ThiruvananthapuramKerala, India
    912.1×
  114. 114MeerutUttar Pradesh, India
    912.0×
  115. 115Bahawalpurlow-cost sensorsPunjab, Pakistan
    902.0×
  116. 115AhmedabadGujarat, India
    902.0×
  117. 115CholulaPuebla, Mexico
    902.0×
  118. 118ArāriaBihar, India
    902.0×
  119. 118HelenaMontana, United States
    902.0×
  120. 120KannurKerala, India
    892.0×
  121. 120ConcónValparaiso, Chile
    892.0×
  122. 122BegusaraiBihar, India
    892.0×
  123. 123JalorRajasthan, India
    892.0×
  124. 123JaisalmerRajasthan, India
    892.0×
  125. 123TimaruCanterbury, New Zealand
    892.0×
  126. 126Ban Talat BuengChon Buri, Thailand
    892.0×
  127. 127DhaulpurRajasthan, India
    881.9×
  128. 128ManlleuCatalonia, Spain
    881.9×
  129. 129Koch'angJeollabuk-do, South Korea
    881.9×
  130. 129Puerto VarasLos Lagos Region, Chile
    881.9×
  131. 129NandriRajasthan, India
    881.9×
  132. 132Istanbullow-cost sensorsIstanbul, Turkey
    871.9×
  133. 133CosladaMadrid, Spain
    871.9×
  134. 134AshburtonCanterbury, New Zealand
    871.9×
  135. 135ChūruRajasthan, India
    871.9×
  136. 136NāgaurRajasthan, India
    861.9×
  137. 136FuenlabradaMadrid, Spain
    861.9×
  138. 138DewasMadhya Pradesh, India
    861.9×
  139. 139AntofagastaAntofagasta, Chile
    861.9×
  140. 140Mollet del VallèsCatalonia, Spain
    861.8×
  141. 141AgraUttar Pradesh, India
    851.8×
  142. 142MahādMaharashtra, India
    851.8×
  143. 142HāpurUttar Pradesh, India
    851.8×
  144. 144PithampurMadhya Pradesh, India
    851.8×
  145. 145MuzaffarpurBihar, India
    851.8×
  146. 145MalegaonMaharashtra, India
    851.8×
  147. 145Iloilolow-cost sensorsWestern Visayas, Philippines
    851.8×
  148. 148KotaRajasthan, India
    841.8×
  149. 149GwaliorMadhya Pradesh, India
    841.8×
  150. 149GayaBihar, India
    841.8×
  151. 151GandhinagarGujarat, India
    841.8×
  152. 151SeonghwanChungcheongnam-do, South Korea
    841.8×
  153. 153DausaRajasthan, India
    841.8×
  154. 154Puerto MonttLos Lagos Region, Chile
    831.8×
  155. 154Greater NoidaUttar Pradesh, India
    831.8×
  156. 156JodhpurRajasthan, India
    831.8×
  157. 157BānswāraRajasthan, India
    831.7×
  158. 158BhāgalpurBihar, India
    831.7×
  159. 159UdaipurRajasthan, India
    821.7×
  160. 159SirohiRajasthan, India
    821.7×
  161. 159CoquimboCoquimbo Region, Chile
    821.7×
  162. 162AurangabadMaharashtra, India
    821.7×
  163. 162PyeongtaekGyeonggi-do, South Korea
    821.7×
  164. 164JalandharPunjab, India
    821.7×
  165. 164YesanChungcheongnam-do, South Korea
    821.7×
  166. 164La SerenaCoquimbo Region, Chile
    821.7×
  167. 167CartagenaMurcia, Spain
    821.7×
  168. 168ĀsansolWest Bengal, India
    821.7×
  169. 169Viña del MarValparaiso, Chile
    811.7×
  170. 170JeongeupJeollabuk-do, South Korea
    811.7×
  171. 171DurgapurWest Bengal, India
    811.7×
  172. 172AtlantaGeorgia, United States
    811.7×
  173. 173ThrissurKerala, India
    811.7×
  174. 173Hwaseong-siGyeonggi-do, South Korea
    811.7×
  175. 175BathindaPunjab, India
    801.7×
  176. 176BhiwandiMaharashtra, India
    801.6×
  177. 176ChristchurchCanterbury, New Zealand
    801.6×
  178. 178ThāneMaharashtra, India
    801.6×
  179. 178RājsamandRajasthan, India
    801.6×
  180. 178Accralow-cost sensorsGreater Accra, Ghana
    801.6×
  181. 181HanumāngarhRajasthan, India
    801.6×
  182. 182BuanJeollabuk-do, South Korea
    791.6×
  183. 183ByasanagarOdisha, India
    791.6×
  184. 184ShenyangLiaoning, China
    791.6×
  185. 185ChennaiTamil Nadu, India
    791.6×
  186. 186BoisarMaharashtra, India
    781.6×
  187. 186Collado-VillalbaMadrid, Spain
    781.6×
  188. 188GijónAsturias, Spain
    781.6×
  189. 188AricaArica y Parinacota Region, Chile
    781.6×
  190. 190BaripādaOdisha, India
    781.6×
  191. 191SaugorMadhya Pradesh, India
    771.6×
  192. 191DhuleMaharashtra, India
    771.6×
  193. 193HayangGyeongsangbuk-do, South Korea
    771.5×
  194. 194CoimbatoreTamil Nadu, India
    771.5×
  195. 194UliyazhathuraKerala, India
    771.5×
  196. 196TangjinChungcheongnam-do, South Korea
    771.5×
  197. 197AsanChungcheongnam-do, South Korea
    771.5×
  198. 198TijuanaBaja California, Mexico
    761.5×
  199. 199RānīganjWest Bengal, India
    761.5×
  200. 199HongseongChungcheongnam-do, South Korea
    761.5×

Top 200 of 2,658 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 24, 2025, smogrank.com/history/2025-06-24 (accessed 3 Oct 2026).

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