SmogRank / History / April 5, 2025

Most polluted cities on April 5, 2025

2,711 cities ranked by their average PM2.5 over the day; the worst was Coyhaique, Chile, at 130.5 µg/m³. Each city's own local calendar day.

Bad-air episodes during April 5, 2025. All episodes.

← Coyhaique 130.5 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for April 5, 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. 1CoyhaiqueAysén, Chile
    2068.7×
  2. 2DādriUttar Pradesh, India
    1988.1×
  3. 3Vientianelow-cost sensorsVientiane Prefecture, Laos
    1927.6×
  4. 4HājīpurBihar, India
    1887.2×
  5. 6RourkelaOdisha, India
    1846.9×
  6. 7GuwahatiAssam, India
    1816.6×
  7. 9AurangābādBihar, India
    1786.3×
  8. 10SiliguriWest Bengal, India
    1786.2×
  9. 11PāliRajasthan, India
    1776.2×
  10. 12JhānsiUttar Pradesh, India
    1776.2×
  11. 13NalbāriAssam, India
    1766.1×
  12. 14SiwānBihar, India
    1766.0×
  13. 14BawānaDelhi, India
    1766.0×
  14. 16SingrauliMadhya Pradesh, India
    1725.7×
  15. 17SasarāmBihar, India
    1715.6×
  16. 17Dera Colliery TownshipOdisha, India
    1715.6×
  17. 19BhelaiChhattisgarh, India
    1715.6×
  18. 20GandhinagarGujarat, India
    1705.5×
  19. 21GhāziābādUttar Pradesh, India
    1705.5×
  20. 22PurniaBihar, India
    1685.4×
  21. 23NanNan, Thailand
    1685.3×
  22. 24Mae SaiChiang Rai, Thailand
    1675.2×
  23. 25Ubon RatchathaniUbon Ratchathani, Thailand
    1675.2×
  24. 26Chiang RaiChiang Rai, Thailand
    1655.0×
  25. 27GobindgarhPunjab, India
    1645.0×
  26. 28BegusaraiBihar, India
    1645.0×
  27. 29GangtokSikkim, India
    1634.8×
  28. 30DewasMadhya Pradesh, India
    1624.8×
  29. 31NarelaDelhi, India
    1624.7×
  30. 32ĀsansolWest Bengal, India
    1614.6×
  31. 33LucknowUttar Pradesh, India
    1604.6×
  32. 34HanumāngarhRajasthan, India
    1604.5×
  33. 35BarbilOdisha, India
    1604.5×
  34. 36PatnaBihar, India
    1594.5×
  35. 37SāngliMaharashtra, India
    1594.5×
  36. 38Sawai MadhopurRajasthan, India
    1584.4×
  37. 38Roi EtRoi Et, Thailand
    1584.4×
  38. 40LoeiLoei, Thailand
    1584.3×
  39. 41KalasinKalasin, Thailand
    1584.3×
  40. 42YasothonYasothon, Thailand
    1574.3×
  41. 43RairangpurOdisha, India
    1574.3×
  42. 44GwaliorMadhya Pradesh, India
    1564.2×
  43. 45Khon KaenKhon Kaen, Thailand
    1564.2×
  44. 46PhayaoPhayao, Thailand
    1564.2×
  45. 47AhmedabadGujarat, India
    1564.2×
  46. 48NagaonAssam, India
    1554.1×
  47. 49KohimaNagaland, India
    1554.1×
  48. 50ByasanagarOdisha, India
    1554.1×
  49. 51RoparPunjab, India
    1554.1×
  50. 52MahādMaharashtra, India
    1554.1×
  51. 53NaharlagunArunachal Pradesh, India
    1544.0×
  52. 54Sri GanganagarRajasthan, India
    1544.0×
  53. 54BulandshahrUttar Pradesh, India
    1544.0×
  54. 56LaturMaharashtra, India
    1544.0×
  55. 56MukdahanMukdahan, Thailand
    1544.0×
  56. 58DelhiDelhi, India
    1543.9×
  57. 59KoppalKarnataka, India
    1533.9×
  58. 59BāghpatUttar Pradesh, India
    1533.9×
  59. 61PanvelMaharashtra, India
    1533.9×
  60. 61Dera MāndiDelhi, India
    1533.9×
  61. 63PhraePhrae, Thailand
    1533.9×
  62. 64JaipurRajasthan, India
    1533.9×
  63. 64AnkleshwarGujarat, India
    1533.9×
  64. 66Wadgaon KolhatiMaharashtra, India
    1523.8×
  65. 67NagpurMaharashtra, India
    1523.8×
  66. 68RānīganjWest Bengal, India
    1523.8×
  67. 68ChāndaMaharashtra, India
    1523.8×
  68. 68AngulOdisha, India
    1523.8×
  69. 71NajafgarhDelhi, India
    1523.8×
  70. 71MungerBihar, India
    1523.8×
  71. 73BaripādaOdisha, India
    1523.8×
  72. 74KalyānMaharashtra, India
    1503.7×
  73. 75PithampurMadhya Pradesh, India
    1503.7×
  74. 76Sakon NakhonSakon Nakhon, Thailand
    1493.7×
  75. 77Kamphaeng PhetKamphaeng Phet, Thailand
    1493.7×
  76. 77VapiGujarat, India
    1493.7×
  77. 79Nong Bua LamphuNong Bua Lamphu, Thailand
    1483.6×
  78. 79KhargharMaharashtra, India
    1483.6×
  79. 81Islamabadlow-cost sensorsIslamabad, Pakistan
    1483.6×
  80. 82NagapattinamTamil Nadu, India
    1483.6×
  81. 82BadlapurMaharashtra, India
    1483.6×
  82. 84UttaraditUttaradit, Thailand
    1473.6×
  83. 85LudhianaPunjab, India
    1473.6×
  84. 86TiruchirappalliTamil Nadu, India
    1463.6×
  85. 86Amnat CharoenAmnat Charoen, Thailand
    1463.6×
  86. 88BhiwandiMaharashtra, India
    1463.6×
  87. 89TirupatiAndhra Pradesh, India
    1443.5×
  88. 90MandideepMadhya Pradesh, India
    1443.5×
  89. 91Pimpri-ChinchwadMaharashtra, India
    1443.5×
  90. 92SaharsaBihar, India
    1433.5×
  91. 93KruševacCentral Serbia, Serbia
    1433.5×
  92. 93AgraUttar Pradesh, India
    1433.5×
  93. 95Maha SarakhamMaha Sarakham, Thailand
    1423.5×
  94. 96BikanerRajasthan, India
    1413.4×
  95. 97Udon ThaniUdon Thani, Thailand
    1403.4×
  96. 98PratāpgarhRajasthan, India
    1393.4×
  97. 99KanpurUttar Pradesh, India
    1383.4×
  98. 100RājgīrBihar, India
    1373.3×
  99. 100HanoiHanoi, Vietnam
    1373.3×
  100. 102KolkataWest Bengal, India
    1363.3×
  101. 102ArāriaBihar, India
    1363.3×
  102. 102AkolaMaharashtra, India
    1363.3×
  103. 105GayaBihar, India
    1363.3×
  104. 106Istanbullow-cost sensorsIstanbul, Turkey
    1363.3×
  105. 107DurgapurWest Bengal, India
    1343.3×
  106. 108ChittorgarhRajasthan, India
    1343.3×
  107. 109Chiang MaiChiang Mai, Thailand
    1333.2×
  108. 109ChaiyaphumChaiyaphum, Thailand
    1333.2×
  109. 109La UniónLos Ríos Region, Chile
    1333.2×
  110. 112ShrīrāmpurWest Bengal, India
    1333.2×
  111. 113PhichitPhichit, Thailand
    1323.2×
  112. 114BuxarBihar, India
    1323.2×
  113. 115KeonjhargarhOdisha, India
    1303.2×
  114. 116PatancheruTelangana, India
    1293.1×
  115. 117BānswāraRajasthan, India
    1293.1×
  116. 118MuzaffarpurBihar, India
    1283.1×
  117. 119Puerto VarasLos Lagos Region, Chile
    1253.0×
  118. 120PhetchabunPhetchabun, Thailand
    1253.0×
  119. 121ThāneMaharashtra, India
    1243.0×
  120. 122NashikMaharashtra, India
    1233.0×
  121. 123KhannaPunjab, India
    1233.0×
  122. 124LeskovacCentral Serbia, Serbia
    1233.0×
  123. 124OsornoLos Lagos Region, Chile
    1233.0×
  124. 126PrayagrajUttar Pradesh, India
    1222.9×
  125. 127NāgaurRajasthan, India
    1222.9×
  126. 128VijayawadaAndhra Pradesh, India
    1212.9×
  127. 128BaddiHimachal Pradesh, India
    1212.9×
  128. 130Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1202.9×
  129. 131BelpaharOdisha, India
    1192.9×
  130. 132KatiharBihar, India
    1192.8×
  131. 133RishīkeshUttarakhand, India
    1182.8×
  132. 134AurangabadMaharashtra, India
    1172.8×
  133. 135AnantapurAndhra Pradesh, India
    1172.8×
  134. 135SurinSurin, Thailand
    1172.8×
  135. 137AjmerRajasthan, India
    1162.8×
  136. 138BhiwadiRajasthan, India
    1162.8×
  137. 139JodhpurRajasthan, India
    1162.8×
  138. 140LamphunLamphun, Thailand
    1152.8×
  139. 140JhālāwārRajasthan, India
    1152.8×
  140. 142SholapurMaharashtra, India
    1152.7×
  141. 142BhāgalpurBihar, India
    1152.7×
  142. 144PuneMaharashtra, India
    1152.7×
  143. 144DausaRajasthan, India
    1152.7×
  144. 146SukhothaiSukhothai, Thailand
    1152.7×
  145. 147SerilingampalleTelangana, India
    1142.7×
  146. 148ChandigarhChandigarh, India
    1142.7×
  147. 148Puerto MonttLos Lagos Region, Chile
    1142.7×
  148. 150JalandharPunjab, India
    1142.7×
  149. 151FīrozābādUttar Pradesh, India
    1132.7×
  150. 152TonkRajasthan, India
    1122.7×
  151. 153Nakhon RatchasimaNakhon Ratchasima, Thailand
    1122.7×
  152. 154ProkupljeCentral Serbia, Serbia
    1122.7×
  153. 154MeerutUttar Pradesh, India
    1122.7×
  154. 154BharatpurRajasthan, India
    1122.7×
  155. 157JinchengFukien, Taiwan
    1112.6×
  156. 158NoidaUttar Pradesh, India
    1112.6×
  157. 159RasapūdipalemAndhra Pradesh, India
    1102.6×
  158. 160BilāspurChhattisgarh, India
    1102.6×
  159. 161GorakhpurUttar Pradesh, India
    1102.6×
  160. 162San Luis de la PazGuanajuato, Mexico
    1092.6×
  161. 163MuzaffarnagarUttar Pradesh, India
    1092.6×
  162. 163JabalpurMadhya Pradesh, India
    1092.6×
  163. 163MumbaiMaharashtra, India
    1092.6×
  164. 166KotaRajasthan, India
    1082.6×
  165. 166BoisarMaharashtra, India
    1082.6×
  166. 166BhubaneswarOdisha, India
    1082.6×
  167. 169ChūruRajasthan, India
    1082.5×
  168. 169ValdiviaLos Ríos Region, Chile
    1082.5×
  169. 171BhilwaraRajasthan, India
    1072.5×
  170. 172JalgaonMaharashtra, India
    1072.5×
  171. 172ChāpraBihar, India
    1072.5×
  172. 174Nakhon SawanNakhon Sawan, Thailand
    1062.5×
  173. 175Chai NatChai Nat, Thailand
    1062.5×
  174. 176SamāstipurBihar, India
    1062.5×
  175. 176RatlāmMadhya Pradesh, India
    1062.5×
  176. 178SīkarRajasthan, India
    1052.5×
  177. 178NacimientoBiobio, Chile
    1052.5×
  178. 180JalorRajasthan, India
    1052.5×
  179. 181Novi PazarCentral Serbia, Serbia
    1052.5×
  180. 182SrinagarJammu and Kashmir, India
    1042.5×
  181. 182DhuleMaharashtra, India
    1042.5×
  182. 184BettiahBihar, India
    1042.5×
  183. 185AmravatiMaharashtra, India
    1042.4×
  184. 186NišCentral Serbia, Serbia
    1042.4×
  185. 187VranjeCentral Serbia, Serbia
    1032.4×
  186. 187CuttackOdisha, India
    1032.4×
  187. 189Sing BuriSing Buri, Thailand
    1012.4×
  188. 189Nakhon LuangPhra Nakhon Si Ayutthaya, Thailand
    1012.4×
  189. 191DhaulpurRajasthan, India
    1002.4×
  190. 192IndoreMadhya Pradesh, India
    982.3×
  191. 193PubalGyeonggi-do, South Korea
    972.2×
  192. 194JaisalmerRajasthan, India
    972.2×
  193. 195TemucoAraucania, Chile
    962.2×
  194. 196Lop BuriLopburi, Thailand
    962.2×
  195. 196SeonghwanChungcheongnam-do, South Korea
    962.2×
  196. 198DindigulTamil Nadu, India
    952.2×
  197. 199JhunjhunūnRajasthan, India
    952.2×
  198. 199AlwarRajasthan, India
    952.2×

Top 200 of 2,711 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, April 5, 2025, smogrank.com/history/2025-04-05 (accessed 2 Oct 2026).

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