SmogRank / History / April 28, 2025

Most polluted cities on April 28, 2025

2,300 cities ranked by their average PM2.5 over the day; the worst was Kalyān, India, at 181.8 µg/m³. Each city's own local calendar day.

Bad-air episodes during April 28, 2025. All episodes.

← Kalyān 181.8 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for April 28, 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
    25712.1×
  2. 2NarelaDelhi, India
    2058.7×
  3. 2BawānaDelhi, India
    2058.7×
  4. 4LoniUttar Pradesh, India
    2008.3×
  5. 5BathindaPunjab, India
    1988.1×
  6. 6Dera MāndiDelhi, India
    1887.2×
  7. 7RamanathapuramTamil Nadu, India
    1877.1×
  8. 8DelhiDelhi, India
    1846.8×
  9. 9MuzaffarnagarUttar Pradesh, India
    1756.0×
  10. 10GhāziābādUttar Pradesh, India
    1735.8×
  11. 11LucknowUttar Pradesh, India
    1685.4×
  12. 12BikanerRajasthan, India
    1685.3×
  13. 13KotaRajasthan, India
    1665.1×
  14. 14KhannaPunjab, India
    1665.1×
  15. 15BulandshahrUttar Pradesh, India
    1634.8×
  16. 16NoidaUttar Pradesh, India
    1624.7×
  17. 17BhiwadiRajasthan, India
    1624.7×
  18. 18MohaliPunjab, India
    1604.6×
  19. 19Sri GanganagarRajasthan, India
    1584.4×
  20. 20NavalpattuTamil Nadu, India
    1584.4×
  21. 21JalandharPunjab, India
    1574.3×
  22. 22ChandigarhChandigarh, India
    1574.3×
  23. 23JalgaonMaharashtra, India
    1574.3×
  24. 24DādriUttar Pradesh, India
    1564.2×
  25. 25KoppalKarnataka, India
    1564.2×
  26. 26BaddiHimachal Pradesh, India
    1564.2×
  27. 27PatiālaPunjab, India
    1554.1×
  28. 28RourkelaOdisha, India
    1544.0×
  29. 29JaipurRajasthan, India
    1544.0×
  30. 30AhmedabadGujarat, India
    1544.0×
  31. 31GandhinagarGujarat, India
    1533.9×
  32. 32RairangpurOdisha, India
    1533.8×
  33. 33MandideepMadhya Pradesh, India
    1523.8×
  34. 34RishīkeshUttarakhand, India
    1493.7×
  35. 35JhunjhunūnRajasthan, India
    1483.6×
  36. 36Dera Colliery TownshipOdisha, India
    1473.6×
  37. 37AngulOdisha, India
    1443.5×
  38. 38MeerutUttar Pradesh, India
    1413.4×
  39. 39LudhianaPunjab, India
    1393.4×
  40. 40ChūruRajasthan, India
    1373.3×
  41. 41NashikMaharashtra, India
    1363.3×
  42. 41NacimientoBiobio, Chile
    1363.3×
  43. 43JhālāwārRajasthan, India
    1343.3×
  44. 43DausaRajasthan, India
    1343.3×
  45. 45KanpurUttar Pradesh, India
    1303.2×
  46. 46MalegaonMaharashtra, India
    1303.2×
  47. 46ĀsansolWest Bengal, India
    1303.2×
  48. 48DehradunUttarakhand, India
    1293.1×
  49. 48AjmerRajasthan, India
    1293.1×
  50. 50VillarricaAraucania, Chile
    1273.1×
  51. 51KhurjaUttar Pradesh, India
    1263.1×
  52. 52ByasanagarOdisha, India
    1263.0×
  53. 53PāliRajasthan, India
    1253.0×
  54. 54OsornoLos Lagos Region, Chile
    1253.0×
  55. 54HualquiBiobio, Chile
    1253.0×
  56. 56RājgīrBihar, India
    1243.0×
  57. 57SīkarRajasthan, India
    1233.0×
  58. 58CuttackOdisha, India
    1233.0×
  59. 59UdaipurRajasthan, India
    1222.9×
  60. 59QuillotaValparaiso, Chile
    1222.9×
  61. 61BaripādaOdisha, India
    1212.9×
  62. 62ValdiviaLos Ríos Region, Chile
    1192.9×
  63. 63KeonjhargarhOdisha, India
    1192.8×
  64. 64BārānRajasthan, India
    1182.8×
  65. 65GwaliorMadhya Pradesh, India
    1182.8×
  66. 66ChittorgarhRajasthan, India
    1182.8×
  67. 66AkolaMaharashtra, India
    1182.8×
  68. 68BadlapurMaharashtra, India
    1172.8×
  69. 69RatlāmMadhya Pradesh, India
    1172.8×
  70. 70TirupatiAndhra Pradesh, India
    1162.8×
  71. 71PuneMaharashtra, India
    1152.7×
  72. 71KarauliRajasthan, India
    1152.7×
  73. 73Islamabadlow-cost sensorsIslamabad, Pakistan
    1152.7×
  74. 74JodhpurRajasthan, India
    1142.7×
  75. 75AlwarRajasthan, India
    1142.7×
  76. 76SasarāmBihar, India
    1132.7×
  77. 76KolkataWest Bengal, India
    1132.7×
  78. 78CoronelBiobio, Chile
    1132.7×
  79. 79AcharnésAttica, Greece
    1122.7×
  80. 80ShrīrāmpurWest Bengal, India
    1112.6×
  81. 81NagpurMaharashtra, India
    1112.6×
  82. 81PithampurMadhya Pradesh, India
    1112.6×
  83. 83TonkRajasthan, India
    1092.6×
  84. 84PanvelMaharashtra, India
    1092.6×
  85. 85SangāreddiTelangana, India
    1082.5×
  86. 85BānswāraRajasthan, India
    1082.5×
  87. 87Puerto VarasLos Lagos Region, Chile
    1072.5×
  88. 88MorādābādUttar Pradesh, India
    1062.5×
  89. 89BhilwaraRajasthan, India
    1062.5×
  90. 90LaturMaharashtra, India
    1062.5×
  91. 90HualpénBiobio, Chile
    1062.5×
  92. 92BhiwandiMaharashtra, India
    1052.5×
  93. 92Puerto MonttLos Lagos Region, Chile
    1052.5×
  94. 94TiruchirappalliTamil Nadu, India
    1042.5×
  95. 95Greater NoidaUttar Pradesh, India
    1032.4×
  96. 96ManamaManama, Bahrain
    1032.4×
  97. 96MahādMaharashtra, India
    1032.4×
  98. 98AgraUttar Pradesh, India
    1022.4×
  99. 98CuranilahueBiobio, Chile
    1022.4×
  100. 100SingrauliMadhya Pradesh, India
    1012.4×
  101. 101Wan ChaiWan Chai, Hong Kong
    1002.4×
  102. 102Victoria de DurangoDurango, Mexico
    1002.4×
  103. 103RānīganjWest Bengal, India
    1002.3×
  104. 104FīrozābādUttar Pradesh, India
    992.3×
  105. 105VijayawadaAndhra Pradesh, India
    992.3×
  106. 106GūduvāncheriTamil Nadu, India
    992.3×
  107. 107KigaliKigali, Rwanda
    982.3×
  108. 107AriyalūrTamil Nadu, India
    982.3×
  109. 109Vientianelow-cost sensorsVientiane Prefecture, Laos
    982.3×
  110. 110SerilingampalleTelangana, India
    982.3×
  111. 111AurangabadMaharashtra, India
    972.3×
  112. 112Wadgaon KolhatiMaharashtra, India
    972.3×
  113. 113BhelaiChhattisgarh, India
    972.2×
  114. 114SantiagoSantiago Metropolitan, Chile
    962.2×
  115. 115GorakhpurUttar Pradesh, India
    962.2×
  116. 116CuricóMaule Region, Chile
    962.2×
  117. 117DewasMadhya Pradesh, India
    952.2×
  118. 117San CarlosÑuble, Chile
    952.2×
  119. 119TalcaMaule Region, Chile
    942.1×
  120. 120NāgaurRajasthan, India
    932.1×
  121. 121DūngarpurRajasthan, India
    932.1×
  122. 121TuxtlaChiapas, Mexico
    932.1×
  123. 123CoyhaiqueAysén, Chile
    922.1×
  124. 124SrinagarJammu and Kashmir, India
    922.1×
  125. 125Chik BallāpurKarnataka, India
    912.0×
  126. 126Sawai MadhopurRajasthan, India
    912.0×
  127. 127TalaganteSantiago Metropolitan, Chile
    912.0×
  128. 128SirohiRajasthan, India
    902.0×
  129. 129KolhāpurMaharashtra, India
    902.0×
  130. 129JhānsiUttar Pradesh, India
    902.0×
  131. 131HyderabadTelangana, India
    902.0×
  132. 131QuthbullapurTelangana, India
    902.0×
  133. 133IndoreMadhya Pradesh, India
    892.0×
  134. 133BharatpurRajasthan, India
    892.0×
  135. 133CholulaPuebla, Mexico
    892.0×
  136. 136BārmerRajasthan, India
    892.0×
  137. 136AnkleshwarGujarat, India
    892.0×
  138. 138SholapurMaharashtra, India
    892.0×
  139. 139Puente AltoSantiago Metropolitan, Chile
    892.0×
  140. 140PrayagrajUttar Pradesh, India
    881.9×
  141. 141PratāpgarhRajasthan, India
    881.9×
  142. 142ShenyangLiaoning, China
    881.9×
  143. 143HājīpurBihar, India
    881.9×
  144. 144JalorRajasthan, India
    871.9×
  145. 145ThāneMaharashtra, India
    871.9×
  146. 145JaisalmerRajasthan, India
    871.9×
  147. 147QuinteroValparaiso, Chile
    861.9×
  148. 147Pimpri-ChinchwadMaharashtra, India
    861.9×
  149. 149RancaguaO'Higgins Region, Chile
    861.9×
  150. 149ChillánÑuble, Chile
    861.9×
  151. 149TlaquepaqueJalisco, Mexico
    861.9×
  152. 152MonterreyNuevo León, Mexico
    851.8×
  153. 152BelpaharOdisha, India
    851.8×
  154. 154MenenFlanders, Belgium
    851.8×
  155. 155KadapaAndhra Pradesh, India
    851.8×
  156. 156KhargharMaharashtra, India
    841.8×
  157. 157PatnaBihar, India
    841.8×
  158. 157ConcónValparaiso, Chile
    841.8×
  159. 159JakartaJakarta, Indonesia
    841.8×
  160. 160ToméBiobio, Chile
    831.8×
  161. 161SaugorMadhya Pradesh, India
    831.7×
  162. 161BhopalMadhya Pradesh, India
    831.7×
  163. 163MuzaffarpurBihar, India
    821.7×
  164. 164NandedMaharashtra, India
    821.7×
  165. 165Dubailow-cost sensorsDubai, United Arab Emirates
    821.7×
  166. 166RajākheriMadhya Pradesh, India
    821.7×
  167. 167BengaluruKarnataka, India
    811.7×
  168. 167CoquimboCoquimbo Region, Chile
    811.7×
  169. 169GuadalajaraJalisco, Mexico
    811.7×
  170. 170Tin Shui WaiYuen Long, Hong Kong
    801.7×
  171. 170VapiGujarat, India
    801.7×
  172. 170Jardines de la SillaNuevo León, Mexico
    801.7×
  173. 173ChāndaMaharashtra, India
    801.7×
  174. 173PueblaPuebla, Mexico
    801.7×
  175. 173Viña del MarValparaiso, Chile
    801.7×
  176. 176NandriRajasthan, India
    801.6×
  177. 177Ciudad NezahualcoyotlMéxico, Mexico
    801.6×
  178. 177TalcahuanoBiobio, Chile
    801.6×
  179. 179OtwockMazovia, Poland
    791.6×
  180. 179TocopillaAntofagasta, Chile
    791.6×
  181. 181RoeselareFlanders, Belgium
    791.6×
  182. 182CoimbatoreTamil Nadu, India
    791.6×
  183. 183Tuen MunTuen Mun, Hong Kong
    791.6×
  184. 184UjjainMadhya Pradesh, India
    781.6×
  185. 184DurgapurWest Bengal, India
    781.6×
  186. 184IrapuatoGuanajuato, Mexico
    781.6×
  187. 187TemucoAraucania, Chile
    781.6×
  188. 187QuilpuéValparaiso, Chile
    781.6×
  189. 189IzegemFlanders, Belgium
    781.6×
  190. 190DushanbeDushanbe, Tajikistan
    771.6×
  191. 190SiwānBihar, India
    771.6×
  192. 192Mong KokYau Tsim Mong District, Hong Kong
    771.5×
  193. 192La SerenaCoquimbo Region, Chile
    771.5×
  194. 192UliyazhathuraKerala, India
    771.5×
  195. 195KohimaNagaland, India
    771.5×
  196. 196AmravatiMaharashtra, India
    771.5×
  197. 196Quezon Citylow-cost sensorsNational Capital Region, Philippines
    771.5×
  198. 196SchiedamSouth Holland, The Netherlands
    771.5×
  199. 196RoubaixHauts-de-France, France
    771.5×
  200. 196San Miguel de AllendeGuanajuato, Mexico
    771.5×

Top 200 of 2,300 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 28, 2025, smogrank.com/history/2025-04-28 (accessed 2 Oct 2026).

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