SmogRank / History / April 3, 2025

Most polluted cities on April 3, 2025

2,659 cities ranked by their average PM2.5 over the day; the worst was Loni, India, at 263.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during April 3, 2025. All episodes.

← Loni 263.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for April 3, 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. 1LoniUttar Pradesh, India
    37617.5×
  2. 2DādriUttar Pradesh, India
    29614.7×
  3. 3KoppalKarnataka, India
    28213.8×
  4. 5BawānaDelhi, India
    1947.8×
  5. 6NarelaDelhi, India
    1867.0×
  6. 7SiliguriWest Bengal, India
    1826.6×
  7. 8GuwahatiAssam, India
    1806.4×
  8. 9SasarāmBihar, India
    1786.3×
  9. 10BāghpatUttar Pradesh, India
    1756.0×
  10. 11AurangābādBihar, India
    1745.9×
  11. 12NanNan, Thailand
    1745.8×
  12. 13Vientianelow-cost sensorsVientiane Prefecture, Laos
    1745.8×
  13. 14RourkelaOdisha, India
    1735.7×
  14. 15HājīpurBihar, India
    1725.7×
  15. 16SiwānBihar, India
    1725.7×
  16. 17PāliRajasthan, India
    1725.7×
  17. 18BegusaraiBihar, India
    1695.4×
  18. 19AhmedabadGujarat, India
    1695.4×
  19. 20DelhiDelhi, India
    1685.3×
  20. 21LucknowUttar Pradesh, India
    1675.2×
  21. 22Chai NatChai Nat, Thailand
    1675.2×
  22. 23ĀsansolWest Bengal, India
    1665.1×
  23. 24GangtokSikkim, India
    1655.0×
  24. 25Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1655.0×
  25. 26Mae SaiChiang Rai, Thailand
    1655.0×
  26. 27MuzaffarpurBihar, India
    1645.0×
  27. 28Nakhon LuangPhra Nakhon Si Ayutthaya, Thailand
    1644.9×
  28. 29PatnaBihar, India
    1644.9×
  29. 30PurniaBihar, India
    1634.9×
  30. 31Chiang RaiChiang Rai, Thailand
    1634.9×
  31. 31VapiGujarat, India
    1634.9×
  32. 33SingrauliMadhya Pradesh, India
    1634.9×
  33. 34RoparPunjab, India
    1614.7×
  34. 35AnkleshwarGujarat, India
    1614.7×
  35. 36SangāreddiTelangana, India
    1614.6×
  36. 37SāngliMaharashtra, India
    1594.4×
  37. 38Bihār SharīfBihar, India
    1584.4×
  38. 39Dubailow-cost sensorsDubai, United Arab Emirates
    1584.4×
  39. 40PuneMaharashtra, India
    1584.3×
  40. 41GwaliorMadhya Pradesh, India
    1584.3×
  41. 42DewasMadhya Pradesh, India
    1574.3×
  42. 43CuddaloreTamil Nadu, India
    1574.3×
  43. 44BulandshahrUttar Pradesh, India
    1574.3×
  44. 45NoidaUttar Pradesh, India
    1574.2×
  45. 46RājsamandRajasthan, India
    1564.2×
  46. 47KanpurUttar Pradesh, India
    1564.2×
  47. 48PhraePhrae, Thailand
    1564.2×
  48. 49NajafgarhDelhi, India
    1564.1×
  49. 50RānīganjWest Bengal, India
    1554.1×
  50. 50MeerutUttar Pradesh, India
    1554.1×
  51. 52KohimaNagaland, India
    1554.1×
  52. 53Sing BuriSing Buri, Thailand
    1554.1×
  53. 54MandideepMadhya Pradesh, India
    1554.0×
  54. 55MuzaffarnagarUttar Pradesh, India
    1544.0×
  55. 56PhayaoPhayao, Thailand
    1544.0×
  56. 57BhiwadiRajasthan, India
    1544.0×
  57. 58GandhinagarGujarat, India
    1544.0×
  58. 59GobindgarhPunjab, India
    1543.9×
  59. 61NashikMaharashtra, India
    1533.9×
  60. 62PithampurMadhya Pradesh, India
    1523.8×
  61. 63Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1523.8×
  62. 64NagaonAssam, India
    1523.8×
  63. 65VelloreTamil Nadu, India
    1523.8×
  64. 66NagpurMaharashtra, India
    1523.8×
  65. 67LudhianaPunjab, India
    1513.7×
  66. 68Sri GanganagarRajasthan, India
    1513.7×
  67. 68LoeiLoei, Thailand
    1513.7×
  68. 70Islamabadlow-cost sensorsIslamabad, Pakistan
    1503.7×
  69. 70NaharlagunArunachal Pradesh, India
    1503.7×
  70. 72ArāriaBihar, India
    1493.7×
  71. 73AngulOdisha, India
    1483.6×
  72. 74Sawai MadhopurRajasthan, India
    1473.6×
  73. 74RairangpurOdisha, India
    1473.6×
  74. 74GayaBihar, India
    1473.6×
  75. 77ChāndaMaharashtra, India
    1473.6×
  76. 77BarbilOdisha, India
    1473.6×
  77. 79MahādMaharashtra, India
    1463.6×
  78. 80ChittorgarhRajasthan, India
    1443.5×
  79. 80BhilwaraRajasthan, India
    1443.5×
  80. 82BānswāraRajasthan, India
    1443.5×
  81. 83Greater NoidaUttar Pradesh, India
    1423.5×
  82. 84LampangLampang, Thailand
    1423.5×
  83. 84AmravatiMaharashtra, India
    1423.5×
  84. 86JhānsiUttar Pradesh, India
    1413.4×
  85. 86Dera Colliery TownshipOdisha, India
    1413.4×
  86. 88JalandharPunjab, India
    1413.4×
  87. 89LamphunLamphun, Thailand
    1403.4×
  88. 89HāpurUttar Pradesh, India
    1403.4×
  89. 91Chiang MaiChiang Mai, Thailand
    1393.4×
  90. 91TlaquepaqueJalisco, Mexico
    1393.4×
  91. 93PhichitPhichit, Thailand
    1383.4×
  92. 94Khon KaenKhon Kaen, Thailand
    1383.4×
  93. 95KhargharMaharashtra, India
    1383.4×
  94. 96GorakhpurUttar Pradesh, India
    1373.3×
  95. 97UdaipurRajasthan, India
    1363.3×
  96. 98PatiālaPunjab, India
    1363.3×
  97. 99SaugorMadhya Pradesh, India
    1353.3×
  98. 99JodhpurRajasthan, India
    1353.3×
  99. 101HanumāngarhRajasthan, India
    1343.3×
  100. 102UttaraditUttaradit, Thailand
    1333.2×
  101. 103MungerBihar, India
    1333.2×
  102. 103KotaRajasthan, India
    1333.2×
  103. 105CoyhaiqueAysén, Chile
    1323.2×
  104. 106PratāpgarhRajasthan, India
    1323.2×
  105. 106AjmerRajasthan, India
    1323.2×
  106. 108BadlapurMaharashtra, India
    1313.2×
  107. 109BhelaiChhattisgarh, India
    1293.1×
  108. 109Nakhon SawanNakhon Sawan, Thailand
    1293.1×
  109. 111SukhothaiSukhothai, Thailand
    1283.1×
  110. 112ThāneMaharashtra, India
    1283.1×
  111. 113KalasinKalasin, Thailand
    1273.1×
  112. 114Puerto VarasLos Lagos Region, Chile
    1263.1×
  113. 115DurgapurWest Bengal, India
    1263.0×
  114. 116RatlāmMadhya Pradesh, India
    1253.0×
  115. 117Roi EtRoi Et, Thailand
    1243.0×
  116. 118AgraUttar Pradesh, India
    1233.0×
  117. 119Lop BuriLopburi, Thailand
    1222.9×
  118. 119Pimpri-ChinchwadMaharashtra, India
    1222.9×
  119. 121BilāspurChhattisgarh, India
    1222.9×
  120. 122BoisarMaharashtra, India
    1222.9×
  121. 123ChandigarhChandigarh, India
    1212.9×
  122. 124JabalpurMadhya Pradesh, India
    1212.9×
  123. 125BhiwandiMaharashtra, India
    1212.9×
  124. 125ShenyangLiaoning, China
    1212.9×
  125. 127Kamphaeng PhetKamphaeng Phet, Thailand
    1202.9×
  126. 128TonkRajasthan, India
    1202.9×
  127. 128KhannaPunjab, India
    1202.9×
  128. 128JaipurRajasthan, India
    1202.9×
  129. 131PubalGyeonggi-do, South Korea
    1202.9×
  130. 132BettiahBihar, India
    1192.9×
  131. 132YasothonYasothon, Thailand
    1192.9×
  132. 134HanoiHanoi, Vietnam
    1192.9×
  133. 135MalegaonMaharashtra, India
    1192.9×
  134. 136KanchanaburiKanchanaburi, Thailand
    1192.8×
  135. 137DausaRajasthan, India
    1182.8×
  136. 138Maha SarakhamMaha Sarakham, Thailand
    1172.8×
  137. 138ChaiyaphumChaiyaphum, Thailand
    1172.8×
  138. 140KalyānMaharashtra, India
    1162.8×
  139. 141AlangadKerala, India
    1162.8×
  140. 142BharatpurRajasthan, India
    1152.7×
  141. 143RishīkeshUttarakhand, India
    1152.7×
  142. 143RājgīrBihar, India
    1152.7×
  143. 143PhetchabunPhetchabun, Thailand
    1152.7×
  144. 143Nakhon RatchasimaNakhon Ratchasima, Thailand
    1152.7×
  145. 143Wadgaon KolhatiMaharashtra, India
    1152.7×
  146. 148Buri RamBuriram, Thailand
    1142.7×
  147. 149BaripādaOdisha, India
    1142.7×
  148. 149AurangabadMaharashtra, India
    1142.7×
  149. 149VillarricaAraucania, Chile
    1142.7×
  150. 152BathindaPunjab, India
    1142.7×
  151. 152SurinSurin, Thailand
    1142.7×
  152. 154BuxarBihar, India
    1132.7×
  153. 154BhāgalpurBihar, India
    1132.7×
  154. 156ZaječarCentral Serbia, Serbia
    1132.7×
  155. 157Istanbullow-cost sensorsIstanbul, Turkey
    1122.7×
  156. 158Prachin BuriPrachin Buri, Thailand
    1122.7×
  157. 159PrayagrajUttar Pradesh, India
    1122.7×
  158. 160Nong Bua LamphuNong Bua Lamphu, Thailand
    1112.6×
  159. 161Victoria de DurangoDurango, Mexico
    1102.6×
  160. 162FīrozābādUttar Pradesh, India
    1102.6×
  161. 163SerilingampalleTelangana, India
    1102.6×
  162. 164KhurjaUttar Pradesh, India
    1092.6×
  163. 165MohaliPunjab, India
    1092.6×
  164. 166BhopalMadhya Pradesh, India
    1082.6×
  165. 167JalorRajasthan, India
    1082.6×
  166. 168VijayawadaAndhra Pradesh, India
    1082.5×
  167. 168Bang NaBangkok, Thailand
    1082.5×
  168. 170AnantapurAndhra Pradesh, India
    1072.5×
  169. 171ChūruRajasthan, India
    1072.5×
  170. 171Ubon RatchathaniUbon Ratchathani, Thailand
    1072.5×
  171. 171Si Maha PhotPrachin Buri, Thailand
    1072.5×
  172. 174DūngarpurRajasthan, India
    1062.5×
  173. 175SrinagarJammu and Kashmir, India
    1062.5×
  174. 175Jastrzębie ZdrójSilesia, Poland
    1062.5×
  175. 177SamāstipurBihar, India
    1052.5×
  176. 178JhunjhunūnRajasthan, India
    1042.5×
  177. 179Nong KhaemBangkok, Thailand
    1042.5×
  178. 180Udon ThaniUdon Thani, Thailand
    1042.4×
  179. 181AkolaMaharashtra, India
    1042.4×
  180. 182SaharsaBihar, India
    1032.4×
  181. 182MorādābādUttar Pradesh, India
    1032.4×
  182. 184JhālāwārRajasthan, India
    1032.4×
  183. 185MumbaiMaharashtra, India
    1032.4×
  184. 186SeonghwanChungcheongnam-do, South Korea
    1032.4×
  185. 187ShillongMeghalaya, India
    1022.4×
  186. 187NacimientoBiobio, Chile
    1022.4×
  187. 187CuranilahueBiobio, Chile
    1022.4×
  188. 190MukdahanMukdahan, Thailand
    1012.4×
  189. 191XonacatlánMéxico, Mexico
    1012.4×
  190. 192ShrīrāmpurWest Bengal, India
    1012.4×
  191. 192Amnat CharoenAmnat Charoen, Thailand
    1012.4×
  192. 194LaturMaharashtra, India
    1002.4×
  193. 195AmritsarPunjab, India
    1002.3×
  194. 196DehradunUttarakhand, India
    992.3×
  195. 196IksanJeollabuk-do, South Korea
    992.3×
  196. 198RajākheriMadhya Pradesh, India
    992.3×
  197. 199NāgaurRajasthan, India
    992.3×
  198. 199Chik BallāpurKarnataka, India
    992.3×

Top 200 of 2,659 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 3, 2025, smogrank.com/history/2025-04-03 (accessed 2 Oct 2026).

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