SmogRank / History / April 27, 2025

Most polluted cities on April 27, 2025

2,523 cities ranked by their average PM2.5 over the day; the worst was Kalyān, India, at 190.3 µg/m³. Each city's own local calendar day.

Bad-air episodes during April 27, 2025. All episodes.

← Kalyān 190.3 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for April 27, 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. 1KalyānMaharashtra, India
    26512.7×
  2. 2Ciudad JuárezChihuahua, Mexico
    25111.7×
  3. 3El PasoTexas, United States
    2209.7×
  4. 4Sunland ParkNew Mexico, United States
    2159.3×
  5. 5BawānaDelhi, India
    2068.7×
  6. 6SocorroTexas, United States
    2038.5×
  7. 7NarelaDelhi, India
    1978.1×
  8. 8SangāreddiTelangana, India
    1968.0×
  9. 9MuzaffarnagarUttar Pradesh, India
    1846.9×
  10. 10GorakhpurUttar Pradesh, India
    1816.6×
  11. 11BathindaPunjab, India
    1816.5×
  12. 12LucknowUttar Pradesh, India
    1786.3×
  13. 13LoniUttar Pradesh, India
    1755.9×
  14. 14Dera MāndiDelhi, India
    1725.7×
  15. 15DelhiDelhi, India
    1685.3×
  16. 16NajafgarhDelhi, India
    1675.3×
  17. 17PatnaBihar, India
    1665.2×
  18. 18BhiwadiRajasthan, India
    1644.9×
  19. 19BikanerRajasthan, India
    1634.9×
  20. 20Aya NagarDelhi, India
    1634.8×
  21. 21MandideepMadhya Pradesh, India
    1614.7×
  22. 22GobindgarhPunjab, India
    1614.7×
  23. 23NavalpattuTamil Nadu, India
    1614.6×
  24. 24PatiālaPunjab, India
    1594.4×
  25. 25SasarāmBihar, India
    1584.4×
  26. 26AurangābādBihar, India
    1564.2×
  27. 27NacimientoBiobio, Chile
    1564.2×
  28. 28SiwānBihar, India
    1564.2×
  29. 29AhmedabadGujarat, India
    1543.9×
  30. 30JaipurRajasthan, India
    1533.9×
  31. 31BulandshahrUttar Pradesh, India
    1533.9×
  32. 32GandhinagarGujarat, India
    1533.9×
  33. 33Sri GanganagarRajasthan, India
    1523.8×
  34. 34MeerutUttar Pradesh, India
    1523.8×
  35. 34ByasanagarOdisha, India
    1523.8×
  36. 36Las CrucesNew Mexico, United States
    1523.8×
  37. 37ManamaManama, Bahrain
    1513.7×
  38. 38GhāziābādUttar Pradesh, India
    1513.7×
  39. 39RourkelaOdisha, India
    1493.7×
  40. 40TemucoAraucania, Chile
    1443.5×
  41. 41AlwarRajasthan, India
    1443.5×
  42. 42JhālāwārRajasthan, India
    1413.5×
  43. 43DehradunUttarakhand, India
    1403.4×
  44. 44JalandharPunjab, India
    1393.4×
  45. 45PithampurMadhya Pradesh, India
    1393.4×
  46. 46RishīkeshUttarakhand, India
    1353.3×
  47. 46Dera Colliery TownshipOdisha, India
    1353.3×
  48. 48AkolaMaharashtra, India
    1343.3×
  49. 49BhiwandiMaharashtra, India
    1343.2×
  50. 49ĀsansolWest Bengal, India
    1343.2×
  51. 51ChāpraBihar, India
    1333.2×
  52. 52MahādMaharashtra, India
    1303.2×
  53. 52KhannaPunjab, India
    1303.2×
  54. 54AngulOdisha, India
    1293.1×
  55. 55KeonjhargarhOdisha, India
    1273.1×
  56. 55JalgaonMaharashtra, India
    1273.1×
  57. 55NoidaUttar Pradesh, India
    1273.1×
  58. 58NagpurMaharashtra, India
    1243.0×
  59. 59BārānRajasthan, India
    1222.9×
  60. 60BadlapurMaharashtra, India
    1212.9×
  61. 61MorādābādUttar Pradesh, India
    1202.9×
  62. 61LudhianaPunjab, India
    1202.9×
  63. 63AjmerRajasthan, India
    1192.8×
  64. 64GwaliorMadhya Pradesh, India
    1182.8×
  65. 64ChandigarhChandigarh, India
    1182.8×
  66. 64MohaliPunjab, India
    1182.8×
  67. 67TirupatiAndhra Pradesh, India
    1182.8×
  68. 67RairangpurOdisha, India
    1182.8×
  69. 67BuxarBihar, India
    1182.8×
  70. 67CoronelBiobio, Chile
    1182.8×
  71. 71SīkarRajasthan, India
    1172.8×
  72. 72PanvelMaharashtra, India
    1162.8×
  73. 72AurangabadMaharashtra, India
    1162.8×
  74. 74VillarricaAraucania, Chile
    1162.8×
  75. 75DewasMadhya Pradesh, India
    1152.7×
  76. 75Puerto MonttLos Lagos Region, Chile
    1152.7×
  77. 75Wadgaon KolhatiMaharashtra, India
    1152.7×
  78. 78MuzaffarpurBihar, India
    1142.7×
  79. 79DausaRajasthan, India
    1142.7×
  80. 80BoisarMaharashtra, India
    1132.7×
  81. 81DādriUttar Pradesh, India
    1132.7×
  82. 82PuneMaharashtra, India
    1122.7×
  83. 83ChittorgarhRajasthan, India
    1112.6×
  84. 84RānīganjWest Bengal, India
    1102.6×
  85. 85Victoria de DurangoDurango, Mexico
    1102.6×
  86. 86UdaipurRajasthan, India
    1092.6×
  87. 86RatlāmMadhya Pradesh, India
    1092.6×
  88. 86CholulaPuebla, Mexico
    1092.6×
  89. 89Vientianelow-cost sensorsVientiane Prefecture, Laos
    1072.5×
  90. 90OsornoLos Lagos Region, Chile
    1052.5×
  91. 91KanpurUttar Pradesh, India
    1042.5×
  92. 91BhubaneswarOdisha, India
    1042.5×
  93. 93CuttackOdisha, India
    1042.4×
  94. 94Puente AltoSantiago Metropolitan, Chile
    1032.4×
  95. 95KotaRajasthan, India
    1032.4×
  96. 96NashikMaharashtra, India
    1032.4×
  97. 96SerilingampalleTelangana, India
    1032.4×
  98. 98BhopalMadhya Pradesh, India
    1022.4×
  99. 98QuillotaValparaiso, Chile
    1022.4×
  100. 100Islamabadlow-cost sensorsIslamabad, Pakistan
    1012.4×
  101. 100VijayawadaAndhra Pradesh, India
    1012.4×
  102. 102KigaliKigali, Rwanda
    1002.4×
  103. 103JhunjhunūnRajasthan, India
    992.3×
  104. 104ChūruRajasthan, India
    992.3×
  105. 105JakartaJakarta, Indonesia
    992.3×
  106. 106AgraUttar Pradesh, India
    992.3×
  107. 107Puerto VarasLos Lagos Region, Chile
    992.3×
  108. 108BhilwaraRajasthan, India
    982.3×
  109. 108AlangadKerala, India
    982.3×
  110. 110BhelaiChhattisgarh, India
    982.3×
  111. 111San CarlosÑuble, Chile
    972.3×
  112. 112San Martin Texmelucan de LabastidaPuebla, Mexico
    972.2×
  113. 113Chik BallāpurKarnataka, India
    972.2×
  114. 113KolkataWest Bengal, India
    972.2×
  115. 115GūduvāncheriTamil Nadu, India
    962.2×
  116. 116MungerBihar, India
    962.2×
  117. 116GayaBihar, India
    962.2×
  118. 116AtlixcoPuebla, Mexico
    962.2×
  119. 119ShrīrāmpurWest Bengal, India
    962.2×
  120. 119BaripādaOdisha, India
    962.2×
  121. 119ValdiviaLos Ríos Region, Chile
    962.2×
  122. 119TlaquepaqueJalisco, Mexico
    962.2×
  123. 123DamohMadhya Pradesh, India
    952.2×
  124. 124DurgapurWest Bengal, India
    952.2×
  125. 125HualpénBiobio, Chile
    952.2×
  126. 126SantiagoSantiago Metropolitan, Chile
    952.2×
  127. 127JodhpurRajasthan, India
    942.2×
  128. 127TuxtlaChiapas, Mexico
    942.2×
  129. 129TonkRajasthan, India
    942.2×
  130. 130BaddiHimachal Pradesh, India
    942.1×
  131. 131Dubailow-cost sensorsDubai, United Arab Emirates
    942.1×
  132. 132SholapurMaharashtra, India
    932.1×
  133. 132KannurKerala, India
    932.1×
  134. 134ChāndaMaharashtra, India
    932.1×
  135. 134VapiGujarat, India
    932.1×
  136. 136KhurjaUttar Pradesh, India
    932.1×
  137. 137FīrozābādUttar Pradesh, India
    922.1×
  138. 137CuranilahueBiobio, Chile
    922.1×
  139. 139ChillánÑuble, Chile
    922.1×
  140. 140SrinagarJammu and Kashmir, India
    912.1×
  141. 140LaturMaharashtra, India
    912.1×
  142. 142ToméBiobio, Chile
    912.0×
  143. 143TiruchirappalliTamil Nadu, India
    912.0×
  144. 143IndoreMadhya Pradesh, India
    912.0×
  145. 143KhargharMaharashtra, India
    912.0×
  146. 146KadapaAndhra Pradesh, India
    902.0×
  147. 147NāgaurRajasthan, India
    902.0×
  148. 147BilāspurChhattisgarh, India
    902.0×
  149. 147ChiguayanteBiobio, Chile
    902.0×
  150. 150PurniaBihar, India
    902.0×
  151. 151UjjainMadhya Pradesh, India
    892.0×
  152. 151BānswāraRajasthan, India
    892.0×
  153. 153JhānsiUttar Pradesh, India
    892.0×
  154. 154SiliguriWest Bengal, India
    892.0×
  155. 154ConcónValparaiso, Chile
    892.0×
  156. 156PrayagrajUttar Pradesh, India
    881.9×
  157. 156Le HavreNormandy, France
    881.9×
  158. 158SaharsaBihar, India
    881.9×
  159. 158KohimaNagaland, India
    881.9×
  160. 160GuadalajaraJalisco, Mexico
    881.9×
  161. 161HyderabadTelangana, India
    881.9×
  162. 161RennesBrittany, France
    881.9×
  163. 163TalaganteSantiago Metropolitan, Chile
    871.9×
  164. 164PratāpgarhRajasthan, India
    871.9×
  165. 165AriyalūrTamil Nadu, India
    871.9×
  166. 165CuricóMaule Region, Chile
    871.9×
  167. 167PueblaPuebla, Mexico
    861.9×
  168. 168TocopillaAntofagasta, Chile
    861.9×
  169. 169Sawai MadhopurRajasthan, India
    861.9×
  170. 170IrapuatoGuanajuato, Mexico
    861.8×
  171. 171DindigulTamil Nadu, India
    851.8×
  172. 171RancaguaO'Higgins Region, Chile
    851.8×
  173. 173BhāgalpurBihar, India
    851.8×
  174. 173AnantapurAndhra Pradesh, India
    851.8×
  175. 175SingrauliMadhya Pradesh, India
    841.8×
  176. 176QuinteroValparaiso, Chile
    841.8×
  177. 176CoquimboCoquimbo Region, Chile
    841.8×
  178. 178ThāneMaharashtra, India
    841.8×
  179. 179KanchipuramTamil Nadu, India
    841.8×
  180. 179ConcepciónBiobio, Chile
    841.8×
  181. 179Hacienda Santa FeJalisco, Mexico
    841.8×
  182. 182GarcíaNuevo León, Mexico
    831.8×
  183. 183KolhāpurMaharashtra, India
    831.8×
  184. 183TalcaMaule Region, Chile
    831.8×
  185. 185RouenNormandy, France
    831.7×
  186. 185AricaArica y Parinacota Region, Chile
    831.7×
  187. 187JaisalmerRajasthan, India
    831.7×
  188. 187DūngarpurRajasthan, India
    831.7×
  189. 189GummidipundiTamil Nadu, India
    821.7×
  190. 189BengaluruKarnataka, India
    821.7×
  191. 189Greater NoidaUttar Pradesh, India
    821.7×
  192. 192LutonEngland, United Kingdom
    821.7×
  193. 193CherbourgNormandy, France
    821.7×
  194. 193AlençonNormandy, France
    821.7×
  195. 195Wan ChaiWan Chai, Hong Kong
    821.7×
  196. 196AnkleshwarGujarat, India
    811.7×
  197. 197AmiensHauts-de-France, France
    811.7×
  198. 197Pimpri-ChinchwadMaharashtra, India
    811.7×
  199. 199ChartresCentre-Val de Loire, France
    811.7×
  200. 200LeicesterEngland, United Kingdom
    801.7×

Top 200 of 2,523 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, April 27, 2025, smogrank.com/history/2025-04-27 (accessed 2 Oct 2026).

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