SmogRank / History / March 17, 2025

Most polluted cities on March 17, 2025

2,524 cities ranked by their average PM2.5 over the day; the worst was Tiruppur, India, at 408.0 µg/m³. Each city's own local calendar day.

← Tiruppur 408.0 µg/m³ 400 µg/m³15 WHO 24-hour guideline
Every city ranked for March 17, 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. 1TiruppurTamil Nadu, India
    500+27.2×
  2. 2TiruchirappalliTamil Nadu, India
    2179.5×
  3. 3Mae SaiChiang Rai, Thailand
    2098.9×
  4. 4KoppalKarnataka, India
    1968.0×
  5. 5LoniUttar Pradesh, India
    1826.7×
  6. 6LamphunLamphun, Thailand
    1786.3×
  7. 7HassanKarnataka, India
    1776.1×
  8. 8N'DjamenaN’Djaména, Chad
    1766.1×
  9. 9Chiang RaiChiang Rai, Thailand
    1766.1×
  10. 10JodaOdisha, India
    1745.9×
  11. 11ĀsansolWest Bengal, India
    1745.9×
  12. 12BarbilOdisha, India
    1735.8×
  13. 13AngulOdisha, India
    1735.8×
  14. 14DurgapurWest Bengal, India
    1725.7×
  15. 15VolosThessaly, Greece
    1705.5×
  16. 16PhayaoPhayao, Thailand
    1705.5×
  17. 17IrákleionCrete, Greece
    1685.3×
  18. 18BawānaDelhi, India
    1655.1×
  19. 19MalegaonMaharashtra, India
    1655.1×
  20. 20Sri GanganagarRajasthan, India
    1655.1×
  21. 21GuwahatiAssam, India
    1655.0×
  22. 22Kathmandulow-cost sensorsBagmati Province, Nepal
    1644.9×
  23. 23Chiang MaiChiang Mai, Thailand
    1644.9×
  24. 23BhelaiChhattisgarh, India
    1644.9×
  25. 25NajafgarhDelhi, India
    1634.9×
  26. 26NanNan, Thailand
    1624.8×
  27. 27RourkelaOdisha, India
    1624.7×
  28. 28KeonjhargarhOdisha, India
    1614.7×
  29. 29SingrauliMadhya Pradesh, India
    1614.7×
  30. 30HājīpurBihar, India
    1614.6×
  31. 31Dhakalow-cost sensorsDhaka Division, Bangladesh
    1604.6×
  32. 32ChāndaMaharashtra, India
    1604.5×
  33. 33ChaniáCrete, Greece
    1594.4×
  34. 34Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1594.4×
  35. 35LampangLampang, Thailand
    1584.3×
  36. 36RānīganjWest Bengal, India
    1574.3×
  37. 37BhiwadiRajasthan, India
    1574.3×
  38. 38NavalpattuTamil Nadu, India
    1574.3×
  39. 39Dubailow-cost sensorsDubai, United Arab Emirates
    1574.3×
  40. 40NarelaDelhi, India
    1574.2×
  41. 41AurangābādBihar, India
    1564.2×
  42. 42SholapurMaharashtra, India
    1564.2×
  43. 43SiliguriWest Bengal, India
    1554.1×
  44. 43SāngliMaharashtra, India
    1554.1×
  45. 45Mae SotTak, Thailand
    1554.1×
  46. 46MandideepMadhya Pradesh, India
    1544.0×
  47. 47GhāziābādUttar Pradesh, India
    1544.0×
  48. 47Dera MāndiDelhi, India
    1544.0×
  49. 49GuadalajaraJalisco, Mexico
    1544.0×
  50. 50Charkhi DādriHaryana, India
    1543.9×
  51. 51PuneMaharashtra, India
    1533.9×
  52. 52BaripādaOdisha, India
    1533.9×
  53. 53CuddaloreTamil Nadu, India
    1523.8×
  54. 54ByasanagarOdisha, India
    1523.8×
  55. 55VirudunagarTamil Nadu, India
    1523.8×
  56. 56ThiruvananthapuramKerala, India
    1513.7×
  57. 57PhraePhrae, Thailand
    1513.7×
  58. 58LaturMaharashtra, India
    1493.7×
  59. 59BelpaharOdisha, India
    1483.6×
  60. 60TumkūrKarnataka, India
    1443.5×
  61. 61SasarāmBihar, India
    1443.5×
  62. 61ShenyangLiaoning, China
    1443.5×
  63. 63Kampalalow-cost sensorsCentral Region, Uganda
    1433.5×
  64. 63MothīhāriBihar, India
    1433.5×
  65. 65TambaramTamil Nadu, India
    1423.5×
  66. 66HanumāngarhRajasthan, India
    1403.4×
  67. 67BegusaraiBihar, India
    1393.4×
  68. 68ThāneMaharashtra, India
    1383.4×
  69. 68UttaraditUttaradit, Thailand
    1383.4×
  70. 70DelhiDelhi, India
    1373.3×
  71. 71PāliRajasthan, India
    1363.3×
  72. 71BoisarMaharashtra, India
    1363.3×
  73. 73NagpurMaharashtra, India
    1363.3×
  74. 74MeerutUttar Pradesh, India
    1353.3×
  75. 75PithampurMadhya Pradesh, India
    1353.3×
  76. 76TolucaMéxico, Mexico
    1353.3×
  77. 77KalyānMaharashtra, India
    1323.2×
  78. 77BulandshahrUttar Pradesh, India
    1323.2×
  79. 79BilāspurChhattisgarh, India
    1313.2×
  80. 80AjmerRajasthan, India
    1303.1×
  81. 81MahādMaharashtra, India
    1293.1×
  82. 82AhmedabadGujarat, India
    1263.1×
  83. 83SukhothaiSukhothai, Thailand
    1233.0×
  84. 84GurugramHaryana, India
    1222.9×
  85. 85MuzaffarpurBihar, India
    1192.9×
  86. 86NandedMaharashtra, India
    1192.9×
  87. 87Sunland ParkNew Mexico, United States
    1192.8×
  88. 88TirupatiAndhra Pradesh, India
    1182.8×
  89. 88PatnaBihar, India
    1182.8×
  90. 90AnkleshwarGujarat, India
    1182.8×
  91. 91NashikMaharashtra, India
    1172.8×
  92. 92BharatpurRajasthan, India
    1162.8×
  93. 93MungerBihar, India
    1152.7×
  94. 94JalgaonMaharashtra, India
    1142.7×
  95. 95KolārKarnataka, India
    1132.7×
  96. 96ShrīrāmpurWest Bengal, India
    1132.7×
  97. 96Ubon RatchathaniUbon Ratchathani, Thailand
    1132.7×
  98. 98KhargharMaharashtra, India
    1122.7×
  99. 99KotaRajasthan, India
    1112.6×
  100. 99NoidaUttar Pradesh, India
    1112.6×
  101. 101Ciudad NezahualcoyotlMéxico, Mexico
    1112.6×
  102. 102ClosepetKarnataka, India
    1102.6×
  103. 103PurniaBihar, India
    1092.6×
  104. 104DushanbeDushanbe, Tajikistan
    1082.6×
  105. 104Chik BallāpurKarnataka, India
    1082.6×
  106. 104TlaquepaqueJalisco, Mexico
    1082.6×
  107. 107PanvelMaharashtra, India
    1072.5×
  108. 108MuzaffarnagarUttar Pradesh, India
    1072.5×
  109. 109SerilingampalleTelangana, India
    1072.5×
  110. 110ParbhaniMaharashtra, India
    1062.5×
  111. 111DhaulpurRajasthan, India
    1062.5×
  112. 112Yerevanlow-cost sensorsYerevan, Armenia
    1052.5×
  113. 113AkolaMaharashtra, India
    1052.5×
  114. 114PhichitPhichit, Thailand
    1032.4×
  115. 115San Salvador TizatlalliMéxico, Mexico
    1022.4×
  116. 116AurangabadMaharashtra, India
    1012.4×
  117. 117VijayawadaAndhra Pradesh, India
    1012.4×
  118. 118KrotoszynGreater Poland, Poland
    1002.4×
  119. 119SangāreddiTelangana, India
    992.3×
  120. 120Islamabadlow-cost sensorsIslamabad, Pakistan
    992.3×
  121. 121RoparPunjab, India
    992.3×
  122. 122BadlapurMaharashtra, India
    982.3×
  123. 122Wadgaon KolhatiMaharashtra, India
    982.3×
  124. 124Istanbullow-cost sensorsIstanbul, Turkey
    982.3×
  125. 124HanoiHanoi, Vietnam
    982.3×
  126. 124Hacienda Santa FeJalisco, Mexico
    982.3×
  127. 127JaipurRajasthan, India
    982.3×
  128. 127JinchengFukien, Taiwan
    982.3×
  129. 127XonacatlánMéxico, Mexico
    982.3×
  130. 130GwaliorMadhya Pradesh, India
    972.3×
  131. 131LoeiLoei, Thailand
    972.2×
  132. 131Pimpri-ChinchwadMaharashtra, India
    972.2×
  133. 133ChittorgarhRajasthan, India
    962.2×
  134. 133BengaluruKarnataka, India
    962.2×
  135. 135PatiālaPunjab, India
    962.2×
  136. 136LudhianaPunjab, India
    962.2×
  137. 136Bielsko-BialaSilesia, Poland
    962.2×
  138. 138ZaječarCentral Serbia, Serbia
    952.2×
  139. 138AlwarRajasthan, India
    952.2×
  140. 140ŻywiecSilesia, Poland
    952.2×
  141. 141KolkataWest Bengal, India
    952.2×
  142. 142AmravatiMaharashtra, India
    942.2×
  143. 144VelloreTamil Nadu, India
    942.1×
  144. 144RajākheriMadhya Pradesh, India
    942.1×
  145. 146MumbaiMaharashtra, India
    932.1×
  146. 147UdaipurRajasthan, India
    932.1×
  147. 148BuxarBihar, India
    932.1×
  148. 149DębicaSubcarpathia, Poland
    932.1×
  149. 149DhuleMaharashtra, India
    932.1×
  150. 151ThrissurKerala, India
    932.1×
  151. 151Khon KaenKhon Kaen, Thailand
    932.1×
  152. 153KhurjaUttar Pradesh, India
    922.1×
  153. 153HāpurUttar Pradesh, India
    922.1×
  154. 153YangonYangon, Myanmar
    922.1×
  155. 153Sing BuriSing Buri, Thailand
    922.1×
  156. 153Lop BuriLopburi, Thailand
    922.1×
  157. 153YongkangTaiwan, Taiwan
    922.1×
  158. 159Vientianelow-cost sensorsVientiane Prefecture, Laos
    922.1×
  159. 160TainanTaiwan, Taiwan
    922.1×
  160. 161Kamphaeng PhetKamphaeng Phet, Thailand
    922.1×
  161. 161YasothonYasothon, Thailand
    922.1×
  162. 161Winterthurlow-cost sensorsZurich, Switzerland
    922.1×
  163. 161San Francisco TlalcilalcalpanMéxico, Mexico
    922.1×
  164. 165GangtokSikkim, India
    912.1×
  165. 166DouliuTaiwan, Taiwan
    912.0×
  166. 167XinyingTaiwan, Taiwan
    912.0×
  167. 167MexicaliBaja California, Mexico
    912.0×
  168. 169Tuen MunTuen Mun, Hong Kong
    912.0×
  169. 170BettiahBihar, India
    912.0×
  170. 170AriyalūrTamil Nadu, India
    912.0×
  171. 172BhayandarMaharashtra, India
    902.0×
  172. 173KalasinKalasin, Thailand
    902.0×
  173. 174BānswāraRajasthan, India
    902.0×
  174. 174Chai NatChai Nat, Thailand
    902.0×
  175. 174San Luis de la PazGuanajuato, Mexico
    902.0×
  176. 177YadgirKarnataka, India
    902.0×
  177. 178MangaluruKarnataka, India
    902.0×
  178. 178Si Maha PhotPrachin Buri, Thailand
    902.0×
  179. 178LillestrømAkershus, Norway
    902.0×
  180. 181Puerto VarasLos Lagos Region, Chile
    892.0×
  181. 182DādriUttar Pradesh, India
    892.0×
  182. 182Prachin BuriPrachin Buri, Thailand
    892.0×
  183. 184SaharsaBihar, India
    892.0×
  184. 185LeskovacCentral Serbia, Serbia
    892.0×
  185. 186JhunjhunūnRajasthan, India
    892.0×
  186. 186BhilwaraRajasthan, India
    892.0×
  187. 186Santa AnitaJalisco, Mexico
    892.0×
  188. 189VirārMaharashtra, India
    881.9×
  189. 189Ecatepec de MorelosMéxico, Mexico
    881.9×
  190. 191GandhinagarGujarat, India
    881.9×
  191. 192RamanathapuramTamil Nadu, India
    881.9×
  192. 193ChiguayanteBiobio, Chile
    881.9×
  193. 193AlangadKerala, India
    881.9×
  194. 195RānipetTamil Nadu, India
    881.9×
  195. 196OrléansCentre-Val de Loire, France
    871.9×
  196. 197DewasMadhya Pradesh, India
    871.9×
  197. 198Nakhon SawanNakhon Sawan, Thailand
    871.9×
  198. 198Chiayi CityTaiwan, Taiwan
    871.9×
  199. 198ConcónValparaiso, Chile
    871.9×

Top 200 of 2,524 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

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SmogRank, most polluted cities, PM2.5, March 17, 2025, smogrank.com/history/2025-03-17 (accessed 2 Oct 2026).

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