SmogRank / History / March 28, 2025

Most polluted cities on March 28, 2025

2,626 cities ranked by their average PM2.5 over the day; the worst was Loni, India, at 219.0 µg/m³. Each city's own local calendar day.

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

← Loni 219.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for March 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. 1LoniUttar Pradesh, India
    29414.6×
  2. 2RourkelaOdisha, India
    26012.3×
  3. 3Mae SaiChiang Rai, Thailand
    2038.5×
  4. 4LamphunLamphun, Thailand
    1947.8×
  5. 4GobindgarhPunjab, India
    1947.8×
  6. 6AngulOdisha, India
    1927.6×
  7. 7GuwahatiAssam, India
    1917.5×
  8. 8Ubon RatchathaniUbon Ratchathani, Thailand
    1897.3×
  9. 9PurniaBihar, India
    1877.1×
  10. 9Vientianelow-cost sensorsVientiane Prefecture, Laos
    1877.1×
  11. 11NanNan, Thailand
    1867.1×
  12. 12PhayaoPhayao, Thailand
    1806.4×
  13. 14NalbāriAssam, India
    1786.3×
  14. 15TiruchirappalliTamil Nadu, India
    1786.2×
  15. 16HājīpurBihar, India
    1776.2×
  16. 17SiliguriWest Bengal, India
    1745.9×
  17. 18KohimaNagaland, India
    1745.8×
  18. 19PhraePhrae, Thailand
    1735.8×
  19. 20ĀsansolWest Bengal, India
    1725.7×
  20. 21SasarāmBihar, India
    1715.6×
  21. 22NagaonAssam, India
    1705.5×
  22. 23AurangābādBihar, India
    1695.4×
  23. 24ByasanagarOdisha, India
    1675.2×
  24. 25BawānaDelhi, India
    1665.2×
  25. 26Dera MāndiDelhi, India
    1665.1×
  26. 27ChāndaMaharashtra, India
    1655.1×
  27. 28LucknowUttar Pradesh, India
    1634.9×
  28. 29Nong Bua LamphuNong Bua Lamphu, Thailand
    1634.9×
  29. 30NarelaDelhi, India
    1624.7×
  30. 31RānīganjWest Bengal, India
    1624.7×
  31. 32Chiang RaiChiang Rai, Thailand
    1624.7×
  32. 33GangtokSikkim, India
    1624.7×
  33. 34Sakon NakhonSakon Nakhon, Thailand
    1614.7×
  34. 34Ban ChangRayong, Thailand
    1614.7×
  35. 34SingrauliMadhya Pradesh, India
    1614.7×
  36. 37Chiang MaiChiang Mai, Thailand
    1614.7×
  37. 38SukhothaiSukhothai, Thailand
    1614.7×
  38. 39SaharsaBihar, India
    1614.7×
  39. 39PatancheruTelangana, India
    1614.7×
  40. 41JodaOdisha, India
    1614.6×
  41. 42DurgapurWest Bengal, India
    1604.6×
  42. 43BarbilOdisha, India
    1604.6×
  43. 44BegusaraiBihar, India
    1604.5×
  44. 45MungerBihar, India
    1594.5×
  45. 46GhāziābādUttar Pradesh, India
    1594.4×
  46. 47BelpaharOdisha, India
    1594.4×
  47. 48MuzaffarnagarUttar Pradesh, India
    1584.4×
  48. 49PatnaBihar, India
    1584.4×
  49. 50LudhianaPunjab, India
    1584.3×
  50. 51YasothonYasothon, Thailand
    1574.3×
  51. 52KalasinKalasin, Thailand
    1574.2×
  52. 53ConwaySouth Carolina, United States
    1574.2×
  53. 54BhilaiChhattisgarh, India
    1564.2×
  54. 55AjmerRajasthan, India
    1554.1×
  55. 56PāliRajasthan, India
    1554.1×
  56. 57TiruppurTamil Nadu, India
    1554.1×
  57. 58NaharlagunArunachal Pradesh, India
    1554.0×
  58. 59MukdahanMukdahan, Thailand
    1544.0×
  59. 60Kamphaeng PhetKamphaeng Phet, Thailand
    1544.0×
  60. 61Amnat CharoenAmnat Charoen, Thailand
    1544.0×
  61. 62LoeiLoei, Thailand
    1544.0×
  62. 63ChāpraBihar, India
    1533.9×
  63. 64SamāstipurBihar, India
    1533.9×
  64. 65SholapurMaharashtra, India
    1533.9×
  65. 65Roi EtRoi Et, Thailand
    1533.9×
  66. 67NagpurMaharashtra, India
    1533.9×
  67. 68Udon ThaniUdon Thani, Thailand
    1533.9×
  68. 69VelloreTamil Nadu, India
    1533.9×
  69. 70Aya NagarDelhi, India
    1533.9×
  70. 71KolkataWest Bengal, India
    1533.8×
  71. 72MuzaffarpurBihar, India
    1523.8×
  72. 72GummidipundiTamil Nadu, India
    1523.8×
  73. 74AmaravatiAndhra Pradesh, India
    1523.8×
  74. 75UttaraditUttaradit, Thailand
    1523.8×
  75. 76RamanathapuramTamil Nadu, India
    1523.8×
  76. 77ShrīrāmpurWest Bengal, India
    1523.8×
  77. 78LaturMaharashtra, India
    1513.7×
  78. 78PhetchabunPhetchabun, Thailand
    1513.7×
  79. 78ChaiyaphumChaiyaphum, Thailand
    1513.7×
  80. 81Dubailow-cost sensorsDubai, United Arab Emirates
    1513.7×
  81. 82OotyTamil Nadu, India
    1493.7×
  82. 83PhichitPhichit, Thailand
    1493.7×
  83. 83Nakhon SawanNakhon Sawan, Thailand
    1493.7×
  84. 85SāngliMaharashtra, India
    1493.7×
  85. 85PatiālaPunjab, India
    1493.7×
  86. 85Maha SarakhamMaha Sarakham, Thailand
    1493.7×
  87. 88KeonjhargarhOdisha, India
    1473.6×
  88. 88DelhiDelhi, India
    1473.6×
  89. 88Chai NatChai Nat, Thailand
    1473.6×
  90. 91BhelaiChhattisgarh, India
    1473.6×
  91. 92HanumāngarhRajasthan, India
    1463.6×
  92. 93ChittorgarhRajasthan, India
    1463.6×
  93. 93ChattanoogaTennessee, United States
    1463.6×
  94. 95CoimbatoreTamil Nadu, India
    1453.6×
  95. 96TirumalaAndhra Pradesh, India
    1423.5×
  96. 97KrotoszynGreater Poland, Poland
    1413.5×
  97. 98Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1393.4×
  98. 99ChandigarhChandigarh, India
    1393.4×
  99. 99Nakhon RatchasimaNakhon Ratchasima, Thailand
    1393.4×
  100. 101BhiwandiMaharashtra, India
    1383.4×
  101. 102JalandharPunjab, India
    1383.4×
  102. 103SerilingampalleTelangana, India
    1373.3×
  103. 104BhāgalpurBihar, India
    1363.3×
  104. 104Bang Pakonglow-cost sensorsChachoengsao, Thailand
    1363.3×
  105. 106BhubaneswarOdisha, India
    1353.3×
  106. 107Stodůlkylow-cost sensorsPrague, Czechia
    1353.3×
  107. 108AmritsarPunjab, India
    1353.3×
  108. 108AmīnpurTelangana, India
    1353.3×
  109. 110BilāspurChhattisgarh, India
    1343.3×
  110. 110Lop BuriLopburi, Thailand
    1343.3×
  111. 112FaridabadHaryana, India
    1333.2×
  112. 113GorakhpurUttar Pradesh, India
    1333.2×
  113. 114Sri GanganagarRajasthan, India
    1333.2×
  114. 115AmravatiMaharashtra, India
    1323.2×
  115. 116BettiahBihar, India
    1323.2×
  116. 117KadapaAndhra Pradesh, India
    1313.2×
  117. 118Nong KhaemBangkok, Thailand
    1303.1×
  118. 119Chik BallāpurKarnataka, India
    1293.1×
  119. 120KatiharBihar, India
    1293.1×
  120. 121Prachin BuriPrachin Buri, Thailand
    1283.1×
  121. 122AhmedabadGujarat, India
    1273.1×
  122. 123Sing BuriSing Buri, Thailand
    1263.0×
  123. 124KhannaPunjab, India
    1263.0×
  124. 125ClosepetKarnataka, India
    1253.0×
  125. 126VijayawadaAndhra Pradesh, India
    1243.0×
  126. 127TumkūrKarnataka, India
    1233.0×
  127. 128ThāneMaharashtra, India
    1233.0×
  128. 129OtwockMazovia, Poland
    1222.9×
  129. 130Nakhon NayokNakhon Nayok, Thailand
    1222.9×
  130. 131KanchanaburiKanchanaburi, Thailand
    1222.9×
  131. 131BaripādaOdisha, India
    1222.9×
  132. 133GwaliorMadhya Pradesh, India
    1212.9×
  133. 134SalemTamil Nadu, India
    1212.9×
  134. 135HaldiaWest Bengal, India
    1212.9×
  135. 136BulandshahrUttar Pradesh, India
    1202.9×
  136. 136BaddiHimachal Pradesh, India
    1202.9×
  137. 138Ban Talat BuengChon Buri, Thailand
    1182.8×
  138. 139GūduvāncheriTamil Nadu, India
    1172.8×
  139. 139Buri RamBuriram, Thailand
    1172.8×
  140. 139LimaLima Province, Peru
    1172.8×
  141. 142SangāreddiTelangana, India
    1172.8×
  142. 143PithampurMadhya Pradesh, India
    1172.8×
  143. 144KhargharMaharashtra, India
    1162.8×
  144. 145RatchaburiRatchaburi, Thailand
    1162.8×
  145. 145MalegaonMaharashtra, India
    1162.8×
  146. 145DindigulTamil Nadu, India
    1162.8×
  147. 148KalyānMaharashtra, India
    1152.8×
  148. 148HyderabadTelangana, India
    1152.8×
  149. 148SurinSurin, Thailand
    1152.8×
  150. 151GayaBihar, India
    1152.7×
  151. 151Cheongsong gunGyeongsangbuk-do, South Korea
    1152.7×
  152. 153VapiGujarat, India
    1142.7×
  153. 154ShillongMeghalaya, India
    1142.7×
  154. 155YadgirKarnataka, India
    1142.7×
  155. 156JabalpurMadhya Pradesh, India
    1132.7×
  156. 157CuttackOdisha, India
    1132.7×
  157. 158AlangadKerala, India
    1122.7×
  158. 159NandedMaharashtra, India
    1112.6×
  159. 159AnantapurAndhra Pradesh, India
    1112.6×
  160. 159Nong ChokBangkok, Thailand
    1112.6×
  161. 162DādriUttar Pradesh, India
    1102.6×
  162. 163Saphan SungBangkok, Thailand
    1102.6×
  163. 163NeelankaraiTamil Nadu, India
    1102.6×
  164. 165UdaipurRajasthan, India
    1092.6×
  165. 165RasapūdipalemAndhra Pradesh, India
    1092.6×
  166. 165Phra PradaengSamut Prakan, Thailand
    1092.6×
  167. 165Nakhon PathomNakhon Pathom, Thailand
    1092.6×
  168. 169Bang KapiBangkok, Thailand
    1092.6×
  169. 170Nakhon LuangPhra Nakhon Si Ayutthaya, Thailand
    1092.6×
  170. 171DehradunUttarakhand, India
    1082.6×
  171. 171PrayagrajUttar Pradesh, India
    1082.6×
  172. 171SaraburiSaraburi, Thailand
    1082.6×
  173. 171KłodzkoLower Silesia, Poland
    1082.6×
  174. 175DhuleMaharashtra, India
    1082.6×
  175. 175KaliszGreater Poland, Poland
    1082.6×
  176. 175RajākheriMadhya Pradesh, India
    1082.6×
  177. 178SaugorMadhya Pradesh, India
    1082.6×
  178. 179BangkokBangkok, Thailand
    1072.5×
  179. 180AlwarRajasthan, India
    1072.5×
  180. 181Lak SiBangkok, Thailand
    1072.5×
  181. 182MahādMaharashtra, India
    1062.5×
  182. 182MohaliPunjab, India
    1062.5×
  183. 184AndongGyeongsangbuk-do, South Korea
    1062.5×
  184. 184BirminghamAlabama, United States
    1062.5×
  185. 186HanoiHanoi, Vietnam
    1062.5×
  186. 187ChanthaburiChanthaburi, Thailand
    1052.5×
  187. 188JalgaonMaharashtra, India
    1052.5×
  188. 188AurangabadMaharashtra, India
    1052.5×
  189. 188AriyalūrTamil Nadu, India
    1052.5×
  190. 191Khlong LuangPathum Thani, Thailand
    1042.5×
  191. 192PanvelMaharashtra, India
    1042.4×
  192. 193NashikMaharashtra, India
    1032.4×
  193. 193BadlapurMaharashtra, India
    1032.4×
  194. 195GandhinagarGujarat, India
    1032.4×
  195. 196JhānsiUttar Pradesh, India
    1022.4×
  196. 197PhetchaburiPhetchaburi, Thailand
    1022.4×
  197. 198RajamahendravaramAndhra Pradesh, India
    1012.4×
  198. 199ConcónValparaiso, Chile
    1012.4×
  199. 200Sawai MadhopurRajasthan, India
    1002.4×

Top 200 of 2,626 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, March 28, 2025, smogrank.com/history/2025-03-28 (accessed 2 Oct 2026).

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