SmogRank / History / March 29, 2025

Most polluted cities on March 29, 2025

2,628 cities ranked by their average PM2.5 over the day; the worst was Loni, India, at 166.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during March 29, 2025. All episodes.

← Loni 166.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for March 29, 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
    24111.1×
  2. 2JalandharPunjab, India
    2239.9×
  3. 3Mae SaiChiang Rai, Thailand
    2179.5×
  4. 4TumkūrKarnataka, India
    1968.0×
  5. 5RourkelaOdisha, India
    1947.7×
  6. 6PhayaoPhayao, Thailand
    1917.5×
  7. 8Ubon RatchathaniUbon Ratchathani, Thailand
    1917.5×
  8. 9AngulOdisha, India
    1897.3×
  9. 10NanNan, Thailand
    1867.0×
  10. 11Charkhi DādriHaryana, India
    1836.7×
  11. 12SukhothaiSukhothai, Thailand
    1816.5×
  12. 13SiliguriWest Bengal, India
    1796.4×
  13. 14SasarāmBihar, India
    1796.3×
  14. 15LamphunLamphun, Thailand
    1786.3×
  15. 16HājīpurBihar, India
    1776.2×
  16. 17Vientianelow-cost sensorsVientiane Prefecture, Laos
    1755.9×
  17. 18AurangābādBihar, India
    1705.5×
  18. 19Dera Colliery TownshipOdisha, India
    1705.5×
  19. 20CholulaPuebla, Mexico
    1695.4×
  20. 21Nong Bua LamphuNong Bua Lamphu, Thailand
    1685.3×
  21. 22KohimaNagaland, India
    1685.3×
  22. 23KeonjhargarhOdisha, India
    1665.2×
  23. 24Chiang MaiChiang Mai, Thailand
    1655.1×
  24. 25ByasanagarOdisha, India
    1655.0×
  25. 26FaridabadHaryana, India
    1655.0×
  26. 27Chiang RaiChiang Rai, Thailand
    1645.0×
  27. 28Mae SotTak, Thailand
    1644.9×
  28. 29PatancheruTelangana, India
    1644.9×
  29. 30YadgirKarnataka, India
    1634.9×
  30. 31KoppalKarnataka, India
    1634.8×
  31. 32PhraePhrae, Thailand
    1624.8×
  32. 33TiruchirappalliTamil Nadu, India
    1624.7×
  33. 34GangtokSikkim, India
    1624.7×
  34. 35Ban ChangRayong, Thailand
    1614.7×
  35. 36HanumāngarhRajasthan, India
    1614.7×
  36. 37PāliRajasthan, India
    1614.7×
  37. 38BarbilOdisha, India
    1614.6×
  38. 39ChāndaMaharashtra, India
    1604.6×
  39. 40YasothonYasothon, Thailand
    1604.5×
  40. 41GuwahatiAssam, India
    1604.5×
  41. 41MukdahanMukdahan, Thailand
    1604.5×
  42. 43ĀsansolWest Bengal, India
    1594.5×
  43. 43LoeiLoei, Thailand
    1594.5×
  44. 45KolkataWest Bengal, India
    1594.5×
  45. 46SholapurMaharashtra, India
    1594.4×
  46. 47GummidipundiTamil Nadu, India
    1584.4×
  47. 48RānīganjWest Bengal, India
    1584.4×
  48. 49DurgapurWest Bengal, India
    1584.4×
  49. 50Chai NatChai Nat, Thailand
    1584.4×
  50. 51VelloreTamil Nadu, India
    1574.3×
  51. 52LudhianaPunjab, India
    1574.3×
  52. 53MahādMaharashtra, India
    1574.3×
  53. 54BaripādaOdisha, India
    1574.3×
  54. 55PanvelMaharashtra, India
    1574.2×
  55. 56Amnat CharoenAmnat Charoen, Thailand
    1564.2×
  56. 57KalasinKalasin, Thailand
    1564.2×
  57. 58SāngliMaharashtra, India
    1564.1×
  58. 59PhichitPhichit, Thailand
    1554.1×
  59. 60NagaonAssam, India
    1554.1×
  60. 61Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1554.0×
  61. 62PurniaBihar, India
    1554.0×
  62. 63Sakon NakhonSakon Nakhon, Thailand
    1554.0×
  63. 64BadlapurMaharashtra, India
    1544.0×
  64. 65ChittorgarhRajasthan, India
    1544.0×
  65. 66NashikMaharashtra, India
    1533.9×
  66. 67ShrīrāmpurWest Bengal, India
    1533.9×
  67. 68TirumalaAndhra Pradesh, India
    1533.9×
  68. 69BawānaDelhi, India
    1533.9×
  69. 70UttaraditUttaradit, Thailand
    1523.8×
  70. 71LucknowUttar Pradesh, India
    1523.8×
  71. 72BilāspurChhattisgarh, India
    1523.8×
  72. 73Kamphaeng PhetKamphaeng Phet, Thailand
    1513.7×
  73. 74ClosepetKarnataka, India
    1513.7×
  74. 75BelpaharOdisha, India
    1503.7×
  75. 76Roi EtRoi Et, Thailand
    1493.7×
  76. 77LaturMaharashtra, India
    1493.7×
  77. 78Dera MāndiDelhi, India
    1493.7×
  78. 79OotyTamil Nadu, India
    1483.6×
  79. 79Chik BallāpurKarnataka, India
    1483.6×
  80. 79AmīnpurTelangana, India
    1483.6×
  81. 82KhargharMaharashtra, India
    1473.6×
  82. 83MuzaffarnagarUttar Pradesh, India
    1463.6×
  83. 84BhiwandiMaharashtra, India
    1463.6×
  84. 85Nakhon SawanNakhon Sawan, Thailand
    1463.6×
  85. 85Pimpri-ChinchwadMaharashtra, India
    1463.6×
  86. 87PhetchabunPhetchabun, Thailand
    1463.6×
  87. 88KadapaAndhra Pradesh, India
    1453.6×
  88. 89KalyānMaharashtra, India
    1453.6×
  89. 90Udon ThaniUdon Thani, Thailand
    1453.5×
  90. 91AmaravatiAndhra Pradesh, India
    1443.5×
  91. 92Maha SarakhamMaha Sarakham, Thailand
    1443.5×
  92. 92SerilingampalleTelangana, India
    1443.5×
  93. 94ThāneMaharashtra, India
    1443.5×
  94. 95MungerBihar, India
    1443.5×
  95. 96NagpurMaharashtra, India
    1433.5×
  96. 97GobindgarhPunjab, India
    1433.5×
  97. 98SalemTamil Nadu, India
    1423.5×
  98. 99ChaiyaphumChaiyaphum, Thailand
    1413.5×
  99. 100KrotoszynGreater Poland, Poland
    1413.4×
  100. 101Sing BuriSing Buri, Thailand
    1403.4×
  101. 102TiruppurTamil Nadu, India
    1403.4×
  102. 103ArāriaBihar, India
    1393.4×
  103. 104Lop BuriLopburi, Thailand
    1373.4×
  104. 105GurugramHaryana, India
    1373.3×
  105. 106PithampurMadhya Pradesh, India
    1363.3×
  106. 107Bang Pakonglow-cost sensorsChachoengsao, Thailand
    1363.3×
  107. 108Prachin BuriPrachin Buri, Thailand
    1353.3×
  108. 108VapiGujarat, India
    1353.3×
  109. 110NaharlagunArunachal Pradesh, India
    1343.3×
  110. 111AurangabadMaharashtra, India
    1343.2×
  111. 112AhmedabadGujarat, India
    1333.2×
  112. 113DindigulTamil Nadu, India
    1333.2×
  113. 114SiwānBihar, India
    1303.1×
  114. 115Bang NaBangkok, Thailand
    1293.1×
  115. 116Stodůlkylow-cost sensorsPrague, Czechia
    1283.1×
  116. 117Sri GanganagarRajasthan, India
    1283.1×
  117. 117AnkleshwarGujarat, India
    1283.1×
  118. 117Ciudad JuárezChihuahua, Mexico
    1283.1×
  119. 120KanchanaburiKanchanaburi, Thailand
    1273.1×
  120. 121PatnaBihar, India
    1273.1×
  121. 121BhilaiChhattisgarh, India
    1273.1×
  122. 121Lat KrabangBangkok, Thailand
    1273.1×
  123. 124El PasoTexas, United States
    1263.0×
  124. 124SingrauliMadhya Pradesh, India
    1263.0×
  125. 126TirupparangunramTamil Nadu, India
    1263.0×
  126. 127RatchaburiRatchaburi, Thailand
    1253.0×
  127. 127RasapūdipalemAndhra Pradesh, India
    1253.0×
  128. 127Ban Talat BuengChon Buri, Thailand
    1253.0×
  129. 130San Salvador TizatlalliMéxico, Mexico
    1233.0×
  130. 131Khlong Sam WaBangkok, Thailand
    1233.0×
  131. 132DādriUttar Pradesh, India
    1222.9×
  132. 132CoimbatoreTamil Nadu, India
    1222.9×
  133. 134Nakhon PathomNakhon Pathom, Thailand
    1212.9×
  134. 135PuneMaharashtra, India
    1212.9×
  135. 136NajafgarhDelhi, India
    1212.9×
  136. 137Nong KhaemBangkok, Thailand
    1202.9×
  137. 137Nakhon RatchasimaNakhon Ratchasima, Thailand
    1202.9×
  138. 137LimaLima Province, Peru
    1202.9×
  139. 140ChāpraBihar, India
    1192.9×
  140. 141BhubaneswarOdisha, India
    1192.8×
  141. 142Nong ChokBangkok, Thailand
    1182.8×
  142. 142Khan Na YaoBangkok, Thailand
    1182.8×
  143. 144MumbaiMaharashtra, India
    1182.8×
  144. 144NeelankaraiTamil Nadu, India
    1182.8×
  145. 146SangāreddiTelangana, India
    1172.8×
  146. 147Saphan SungBangkok, Thailand
    1172.8×
  147. 148HyderabadTelangana, India
    1162.8×
  148. 148WłocławekKujawsko-Pomorskie, Poland
    1162.8×
  149. 150JalgaonMaharashtra, India
    1162.8×
  150. 150Nakhon LuangPhra Nakhon Si Ayutthaya, Thailand
    1162.8×
  151. 152Bielsko-BialaSilesia, Poland
    1152.8×
  152. 153Aya NagarDelhi, India
    1152.7×
  153. 154UdaipurRajasthan, India
    1142.7×
  154. 154ThanjavurTamil Nadu, India
    1142.7×
  155. 154AmravatiMaharashtra, India
    1142.7×
  156. 157AnantapurAndhra Pradesh, India
    1142.7×
  157. 157ŻywiecSilesia, Poland
    1142.7×
  158. 159Jastrzębie ZdrójSilesia, Poland
    1142.7×
  159. 160AjmerRajasthan, India
    1142.7×
  160. 161Buri RamBuriram, Thailand
    1132.7×
  161. 162KarvináMoravian-Silesian Region, Czechia
    1132.7×
  162. 162KłodzkoLower Silesia, Poland
    1132.7×
  163. 164VijayawadaAndhra Pradesh, India
    1122.7×
  164. 165PhetchaburiPhetchaburi, Thailand
    1122.7×
  165. 165Bueng KumBangkok, Thailand
    1122.7×
  166. 167Bang KapiBangkok, Thailand
    1122.7×
  167. 167Lak SiBangkok, Thailand
    1122.7×
  168. 169TolucaMéxico, Mexico
    1112.6×
  169. 170OpavaMoravian-Silesian Region, Czechia
    1112.6×
  170. 171Phra PradaengSamut Prakan, Thailand
    1102.6×
  171. 172BhelaiChhattisgarh, India
    1102.6×
  172. 173RājsamandRajasthan, India
    1092.6×
  173. 173GwaliorMadhya Pradesh, India
    1092.6×
  174. 175Khlong LuangPathum Thani, Thailand
    1092.6×
  175. 176Sai MaiBangkok, Thailand
    1082.6×
  176. 177Samut SakhonSamut Sakhon, Thailand
    1082.6×
  177. 178PoznańGreater Poland, Poland
    1082.6×
  178. 179KaliszGreater Poland, Poland
    1082.5×
  179. 179Sunland ParkNew Mexico, United States
    1082.5×
  180. 181NarelaDelhi, India
    1072.5×
  181. 181SurinSurin, Thailand
    1072.5×
  182. 181Ban PhaeoSamut Sakhon, Thailand
    1072.5×
  183. 184Ban Khlong PrawetBangkok, Thailand
    1072.5×
  184. 184Laem ChabangChon Buri, Thailand
    1072.5×
  185. 186BangkokBangkok, Thailand
    1072.5×
  186. 187Winterthurlow-cost sensorsZurich, Switzerland
    1062.5×
  187. 188BengaluruKarnataka, India
    1062.5×
  188. 188SaraburiSaraburi, Thailand
    1062.5×
  189. 188BaddiHimachal Pradesh, India
    1062.5×
  190. 191KatiharBihar, India
    1062.5×
  191. 191BoisarMaharashtra, India
    1062.5×
  192. 191BhilwaraRajasthan, India
    1062.5×
  193. 191Frýdek-MístekMoravian-Silesian Region, Czechia
    1062.5×
  194. 195Victoria de DurangoDurango, Mexico
    1052.5×
  195. 196RamanathapuramTamil Nadu, India
    1052.5×
  196. 197DelhiDelhi, India
    1052.5×
  197. 197HavířovMoravian-Silesian Region, Czechia
    1052.5×
  198. 199RishīkeshUttarakhand, India
    1042.5×
  199. 200AlwarRajasthan, India
    1042.4×

Top 200 of 2,628 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 29, 2025, smogrank.com/history/2025-03-29 (accessed 2 Oct 2026).

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