SmogRank / History / April 7, 2025

Most polluted cities on April 7, 2025

2,556 cities ranked by their average PM2.5 over the day; the worst was Dādri, India, at 243.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during April 7, 2025. All episodes.

← Dādri 243.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for April 7, 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. 1DādriUttar Pradesh, India
    33616.2×
  2. 2GhāziābādUttar Pradesh, India
    2038.5×
  3. 2BawānaDelhi, India
    2038.5×
  4. 4NarelaDelhi, India
    2008.3×
  5. 5KoppalKarnataka, India
    1998.3×
  6. 6LoniUttar Pradesh, India
    1978.1×
  7. 7TiruchirappalliTamil Nadu, India
    1957.9×
  8. 7NoidaUttar Pradesh, India
    1957.9×
  9. 9DelhiDelhi, India
    1877.1×
  10. 10MandideepMadhya Pradesh, India
    1826.7×
  11. 11SasarāmBihar, India
    1816.6×
  12. 12BāghpatUttar Pradesh, India
    1806.5×
  13. 13PāliRajasthan, India
    1806.5×
  14. 14BhelaiChhattisgarh, India
    1796.3×
  15. 15Dera MāndiDelhi, India
    1776.2×
  16. 16SingrauliMadhya Pradesh, India
    1735.8×
  17. 17SangāreddiTelangana, India
    1725.7×
  18. 18AurangābādBihar, India
    1725.7×
  19. 19NajafgarhDelhi, India
    1725.7×
  20. 20LucknowUttar Pradesh, India
    1705.5×
  21. 21SāngliMaharashtra, India
    1685.3×
  22. 22NalbāriAssam, India
    1685.3×
  23. 23MuzaffarnagarUttar Pradesh, India
    1675.2×
  24. 24AjmerRajasthan, India
    1675.2×
  25. 25RoparPunjab, India
    1665.1×
  26. 26RourkelaOdisha, India
    1655.1×
  27. 27GwaliorMadhya Pradesh, India
    1655.0×
  28. 28JhānsiUttar Pradesh, India
    1644.9×
  29. 29LudhianaPunjab, India
    1644.9×
  30. 30Ubon RatchathaniUbon Ratchathani, Thailand
    1644.9×
  31. 31HājīpurBihar, India
    1634.9×
  32. 32NagpurMaharashtra, India
    1634.8×
  33. 33Mae SaiChiang Rai, Thailand
    1624.7×
  34. 34PatnaBihar, India
    1624.7×
  35. 35BulandshahrUttar Pradesh, India
    1614.7×
  36. 36MeerutUttar Pradesh, India
    1604.5×
  37. 37PithampurMadhya Pradesh, India
    1574.3×
  38. 38BhiwadiRajasthan, India
    1574.3×
  39. 39Sawai MadhopurRajasthan, India
    1574.3×
  40. 40ChandigarhChandigarh, India
    1564.2×
  41. 41MohaliPunjab, India
    1564.1×
  42. 42MuzaffarpurBihar, India
    1554.0×
  43. 43KhargharMaharashtra, India
    1544.0×
  44. 44Vientianelow-cost sensorsVientiane Prefecture, Laos
    1533.9×
  45. 45PatiālaPunjab, India
    1533.9×
  46. 46SiliguriWest Bengal, India
    1533.9×
  47. 47ChittorgarhRajasthan, India
    1533.9×
  48. 49GorakhpurUttar Pradesh, India
    1523.8×
  49. 49YasothonYasothon, Thailand
    1523.8×
  50. 51JalandharPunjab, India
    1513.7×
  51. 52GuangzhouGuangdong, China
    1483.6×
  52. 53Chiang RaiChiang Rai, Thailand
    1483.6×
  53. 54MungerBihar, India
    1463.6×
  54. 55Islamabadlow-cost sensorsIslamabad, Pakistan
    1463.6×
  55. 56ChāndaMaharashtra, India
    1463.6×
  56. 57NacimientoBiobio, Chile
    1453.6×
  57. 58KhannaPunjab, India
    1443.5×
  58. 59GuwahatiAssam, India
    1443.5×
  59. 60RamanathapuramTamil Nadu, India
    1423.5×
  60. 61MexicaliBaja California, Mexico
    1423.5×
  61. 62TirupatiAndhra Pradesh, India
    1413.5×
  62. 63DehradunUttarakhand, India
    1413.4×
  63. 64JaipurRajasthan, India
    1403.4×
  64. 65KanpurUttar Pradesh, India
    1383.4×
  65. 66HanumāngarhRajasthan, India
    1383.4×
  66. 67SholapurMaharashtra, India
    1373.3×
  67. 68GayaBihar, India
    1363.3×
  68. 69BelpaharOdisha, India
    1363.3×
  69. 70RairangpurOdisha, India
    1363.3×
  70. 70SerilingampalleTelangana, India
    1363.3×
  71. 72Sri GanganagarRajasthan, India
    1353.3×
  72. 73KalyānMaharashtra, India
    1343.3×
  73. 73AnantapurAndhra Pradesh, India
    1343.3×
  74. 75PatancheruTelangana, India
    1343.3×
  75. 76KotaRajasthan, India
    1343.2×
  76. 77IndoreMadhya Pradesh, India
    1333.2×
  77. 77HanoiHanoi, Vietnam
    1333.2×
  78. 79BhiwandiMaharashtra, India
    1333.2×
  79. 80MalegaonMaharashtra, India
    1323.2×
  80. 81PrayagrajUttar Pradesh, India
    1313.2×
  81. 82Roi EtRoi Et, Thailand
    1313.2×
  82. 83TonkRajasthan, India
    1303.2×
  83. 84BharatpurRajasthan, India
    1293.1×
  84. 85BathindaPunjab, India
    1293.1×
  85. 86BadlapurMaharashtra, India
    1283.1×
  86. 87CoyhaiqueAysén, Chile
    1283.1×
  87. 88VillarricaAraucania, Chile
    1263.0×
  88. 89TlaquepaqueJalisco, Mexico
    1263.0×
  89. 90BoisarMaharashtra, India
    1253.0×
  90. 90VapiGujarat, India
    1253.0×
  91. 92ThāneMaharashtra, India
    1253.0×
  92. 92NashikMaharashtra, India
    1253.0×
  93. 94HāpurUttar Pradesh, India
    1243.0×
  94. 95Amnat CharoenAmnat Charoen, Thailand
    1243.0×
  95. 96AnkleshwarGujarat, India
    1233.0×
  96. 97SrinagarJammu and Kashmir, India
    1233.0×
  97. 98JalgaonMaharashtra, India
    1233.0×
  98. 98Miranda de EbroCastille and León, Spain
    1233.0×
  99. 100Chai NatChai Nat, Thailand
    1222.9×
  100. 100Pimpri-ChinchwadMaharashtra, India
    1222.9×
  101. 102HyderabadTelangana, India
    1212.9×
  102. 103Sing BuriSing Buri, Thailand
    1202.9×
  103. 104MahādMaharashtra, India
    1192.9×
  104. 104Khon KaenKhon Kaen, Thailand
    1192.9×
  105. 104GobindgarhPunjab, India
    1192.9×
  106. 107DausaRajasthan, India
    1192.9×
  107. 108GandhinagarGujarat, India
    1182.8×
  108. 108ShenyangLiaoning, China
    1182.8×
  109. 110JodhpurRajasthan, India
    1182.8×
  110. 111BhilaiChhattisgarh, India
    1172.8×
  111. 112MukdahanMukdahan, Thailand
    1172.8×
  112. 112KalasinKalasin, Thailand
    1172.8×
  113. 114UdaipurRajasthan, India
    1152.7×
  114. 115NanNan, Thailand
    1142.7×
  115. 116JhālāwārRajasthan, India
    1132.7×
  116. 116AgraUttar Pradesh, India
    1132.7×
  117. 118Wadgaon KolhatiMaharashtra, India
    1132.7×
  118. 119KruševacCentral Serbia, Serbia
    1132.7×
  119. 120JabalpurMadhya Pradesh, India
    1122.7×
  120. 121ShillongMeghalaya, India
    1122.7×
  121. 122JhunjhunūnRajasthan, India
    1112.6×
  122. 123ValdiviaLos Ríos Region, Chile
    1112.6×
  123. 124ChūruRajasthan, India
    1112.6×
  124. 125BānswāraRajasthan, India
    1092.6×
  125. 126Greater NoidaUttar Pradesh, India
    1092.6×
  126. 127RishīkeshUttarakhand, India
    1082.6×
  127. 128NandedMaharashtra, India
    1072.5×
  128. 129PhayaoPhayao, Thailand
    1072.5×
  129. 130AlwarRajasthan, India
    1072.5×
  130. 131Maha SarakhamMaha Sarakham, Thailand
    1062.5×
  131. 132PuneMaharashtra, India
    1042.5×
  132. 133MorādābādUttar Pradesh, India
    1032.4×
  133. 134LeskovacCentral Serbia, Serbia
    1032.4×
  134. 135RatlāmMadhya Pradesh, India
    1032.4×
  135. 136PanvelMaharashtra, India
    1022.4×
  136. 136AkolaMaharashtra, India
    1022.4×
  137. 136Si Sa KetSi Sa Ket, Thailand
    1022.4×
  138. 139BengaluruKarnataka, India
    1022.4×
  139. 140VirārMaharashtra, India
    1022.4×
  140. 141MumbaiMaharashtra, India
    1012.4×
  141. 142BikanerRajasthan, India
    1012.4×
  142. 143KeonjhargarhOdisha, India
    1012.4×
  143. 144ArrahBihar, India
    1002.4×
  144. 145AhmedabadGujarat, India
    1002.3×
  145. 146SīkarRajasthan, India
    992.3×
  146. 146ParbhaniMaharashtra, India
    992.3×
  147. 146TemucoAraucania, Chile
    992.3×
  148. 149FīrozābādUttar Pradesh, India
    992.3×
  149. 149BhopalMadhya Pradesh, India
    992.3×
  150. 151NāgaurRajasthan, India
    992.3×
  151. 152AurangabadMaharashtra, India
    982.3×
  152. 152Los ÁngelesBiobio, Chile
    982.3×
  153. 154VaranasiUttar Pradesh, India
    982.3×
  154. 154RajākheriMadhya Pradesh, India
    982.3×
  155. 156Dera Colliery TownshipOdisha, India
    982.3×
  156. 157UjjainMadhya Pradesh, India
    982.3×
  157. 157PhichitPhichit, Thailand
    982.3×
  158. 157La UniónLos Ríos Region, Chile
    982.3×
  159. 160BhāgalpurBihar, India
    972.3×
  160. 161OsornoLos Lagos Region, Chile
    972.3×
  161. 162Nakhon SawanNakhon Sawan, Thailand
    972.2×
  162. 163SaharsaBihar, India
    962.2×
  163. 164ĀsansolWest Bengal, India
    962.2×
  164. 164Lop BuriLopburi, Thailand
    962.2×
  165. 166KadapaAndhra Pradesh, India
    962.2×
  166. 167AmīnpurTelangana, India
    952.2×
  167. 168VijayawadaAndhra Pradesh, India
    952.2×
  168. 169Novi PazarCentral Serbia, Serbia
    942.2×
  169. 169CheorwonGangwon-do, South Korea
    942.2×
  170. 171Wan ChaiWan Chai, Hong Kong
    942.1×
  171. 172CoronelBiobio, Chile
    942.1×
  172. 172QuthbullapurTelangana, India
    942.1×
  173. 174KannurKerala, India
    932.1×
  174. 175ErlunTaiwan, Taiwan
    932.1×
  175. 176AmravatiMaharashtra, India
    922.1×
  176. 177KolhāpurMaharashtra, India
    922.1×
  177. 178Bang Pakonglow-cost sensorsChachoengsao, Thailand
    912.0×
  178. 179AngulOdisha, India
    912.0×
  179. 179HualpénBiobio, Chile
    912.0×
  180. 181Ban ChangRayong, Thailand
    912.0×
  181. 182LamphunLamphun, Thailand
    902.0×
  182. 182Tuen MunTuen Mun, Hong Kong
    902.0×
  183. 184Victoria de DurangoDurango, Mexico
    902.0×
  184. 185HualquiBiobio, Chile
    902.0×
  185. 186DhuleMaharashtra, India
    892.0×
  186. 187ErlinTaiwan, Taiwan
    892.0×
  187. 188DurgapurWest Bengal, India
    892.0×
  188. 189KalaburagiKarnataka, India
    892.0×
  189. 189BuziTaiwan, Taiwan
    892.0×
  190. 189TalcahuanoBiobio, Chile
    892.0×
  191. 192SurinSurin, Thailand
    881.9×
  192. 192JinchengFukien, Taiwan
    881.9×
  193. 194SaugorMadhya Pradesh, India
    881.9×
  194. 195YadgirKarnataka, India
    881.9×
  195. 195JalorRajasthan, India
    881.9×
  196. 195DamohMadhya Pradesh, India
    881.9×
  197. 198ThrissurKerala, India
    881.9×
  198. 199Guri-siGyeonggi-do, South Korea
    871.9×
  199. 200Chiang MaiChiang Mai, Thailand
    871.9×

Top 200 of 2,556 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 7, 2025, smogrank.com/history/2025-04-07 (accessed 2 Oct 2026).

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