SmogRank / History / May 7, 2025

Most polluted cities on May 7, 2025

2,428 cities ranked by their average PM2.5 over the day; the worst was Ariyalūr, India, at 602.0 µg/m³. Each city's own local calendar day.

← Ariyalūr 602.0 µg/m³ 600 µg/m³15 WHO 24-hour guideline
Every city ranked for May 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. 1AriyalūrTamil Nadu, India
    500+40.1×
  2. 2MangaluruKarnataka, India
    41618.9×
  3. 3SuratGujarat, India
    2008.3×
  4. 4VillarricaAraucania, Chile
    1816.5×
  5. 5OotyTamil Nadu, India
    1715.6×
  6. 6BawānaDelhi, India
    1665.1×
  7. 7LinaresMaule Region, Chile
    1645.0×
  8. 8NarelaDelhi, India
    1644.9×
  9. 9BaddiHimachal Pradesh, India
    1644.9×
  10. 10Puente AltoSantiago Metropolitan, Chile
    1634.8×
  11. 11MuzaffarnagarUttar Pradesh, India
    1634.8×
  12. 12BhiwandiMaharashtra, India
    1624.8×
  13. 13Sri GanganagarRajasthan, India
    1604.6×
  14. 13CuricóMaule Region, Chile
    1604.6×
  15. 15HualpénBiobio, Chile
    1604.5×
  16. 16GobindgarhPunjab, India
    1594.4×
  17. 17TalcaMaule Region, Chile
    1584.3×
  18. 18LoniUttar Pradesh, India
    1574.2×
  19. 19CuttackOdisha, India
    1564.2×
  20. 20RājgīrBihar, India
    1564.2×
  21. 20AurangābādBihar, India
    1564.2×
  22. 22RengoO'Higgins Region, Chile
    1554.1×
  23. 23SantiagoSantiago Metropolitan, Chile
    1554.0×
  24. 24KeonjhargarhOdisha, India
    1554.0×
  25. 25RourkelaOdisha, India
    1544.0×
  26. 26Dera MāndiDelhi, India
    1544.0×
  27. 27PatnaBihar, India
    1533.9×
  28. 28BhiwadiRajasthan, India
    1523.8×
  29. 29Quezon Citylow-cost sensorsNational Capital Region, Philippines
    1523.8×
  30. 30Aya NagarDelhi, India
    1523.8×
  31. 31KadapaAndhra Pradesh, India
    1503.7×
  32. 32NajafgarhDelhi, India
    1493.7×
  33. 33RancaguaO'Higgins Region, Chile
    1483.6×
  34. 34Islamabadlow-cost sensorsIslamabad, Pakistan
    1483.6×
  35. 34HājīpurBihar, India
    1483.6×
  36. 36ĀsansolWest Bengal, India
    1473.6×
  37. 37GhāziābādUttar Pradesh, India
    1473.6×
  38. 37CoyhaiqueAysén, Chile
    1473.6×
  39. 39DelhiDelhi, India
    1453.6×
  40. 40AngulOdisha, India
    1443.5×
  41. 41AgraUttar Pradesh, India
    1413.5×
  42. 42MohaliPunjab, India
    1403.4×
  43. 43NacimientoBiobio, Chile
    1353.3×
  44. 44JakartaJakarta, Indonesia
    1333.2×
  45. 45KalyānMaharashtra, India
    1323.2×
  46. 46PurniaBihar, India
    1323.2×
  47. 47Santa Anita - Los FicusLima region, Peru
    1293.1×
  48. 48ArāriaBihar, India
    1273.1×
  49. 48TemucoAraucania, Chile
    1273.1×
  50. 50CuranilahueBiobio, Chile
    1273.1×
  51. 51VirārMaharashtra, India
    1263.0×
  52. 52San CarlosÑuble, Chile
    1243.0×
  53. 53RamanathapuramTamil Nadu, India
    1243.0×
  54. 53AmaravatiAndhra Pradesh, India
    1243.0×
  55. 55RairangpurOdisha, India
    1233.0×
  56. 56LudhianaPunjab, India
    1222.9×
  57. 56BathindaPunjab, India
    1222.9×
  58. 58ChandigarhChandigarh, India
    1212.9×
  59. 59VijayawadaAndhra Pradesh, India
    1202.9×
  60. 59BulandshahrUttar Pradesh, India
    1202.9×
  61. 59AnantapurAndhra Pradesh, India
    1202.9×
  62. 62LucknowUttar Pradesh, India
    1192.8×
  63. 63NoidaUttar Pradesh, India
    1182.8×
  64. 64SāngliMaharashtra, India
    1162.8×
  65. 65Iloilolow-cost sensorsWestern Visayas, Philippines
    1142.7×
  66. 66Los ÁngelesBiobio, Chile
    1132.7×
  67. 67TalaganteSantiago Metropolitan, Chile
    1122.7×
  68. 68GorakhpurUttar Pradesh, India
    1122.7×
  69. 69GuwahatiAssam, India
    1112.6×
  70. 70GummidipundiTamil Nadu, India
    1112.6×
  71. 71KanpurUttar Pradesh, India
    1102.6×
  72. 72TocopillaAntofagasta, Chile
    1082.6×
  73. 72CallaoCallao, Peru
    1082.6×
  74. 74Vientianelow-cost sensorsVientiane Prefecture, Laos
    1082.5×
  75. 75BarbilOdisha, India
    1072.5×
  76. 76RānīganjWest Bengal, India
    1072.5×
  77. 77JalandharPunjab, India
    1072.5×
  78. 77IrapuatoGuanajuato, Mexico
    1072.5×
  79. 79CholulaPuebla, Mexico
    1062.5×
  80. 80GayaBihar, India
    1052.5×
  81. 80BilāspurChhattisgarh, India
    1052.5×
  82. 82BhilwaraRajasthan, India
    1052.5×
  83. 83MahādMaharashtra, India
    1052.5×
  84. 84ThrissurKerala, India
    1042.5×
  85. 84MalegaonMaharashtra, India
    1042.5×
  86. 86Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    1042.5×
  87. 86DādriUttar Pradesh, India
    1042.5×
  88. 88PrayagrajUttar Pradesh, India
    1042.4×
  89. 88Victoria de DurangoDurango, Mexico
    1042.4×
  90. 90TiruchirappalliTamil Nadu, India
    1042.4×
  91. 91TehuacánPuebla, Mexico
    1032.4×
  92. 91ChillánÑuble, Chile
    1032.4×
  93. 93SangāreddiTelangana, India
    1032.4×
  94. 93SaharsaBihar, India
    1032.4×
  95. 95KolkataWest Bengal, India
    1022.4×
  96. 96JaipurRajasthan, India
    1022.4×
  97. 96BhāgalpurBihar, India
    1022.4×
  98. 98AjmerRajasthan, India
    1012.4×
  99. 99KhurjaUttar Pradesh, India
    1012.4×
  100. 99JhunjhunūnRajasthan, India
    1012.4×
  101. 101CoronelBiobio, Chile
    1002.4×
  102. 101AlangadKerala, India
    1002.4×
  103. 103AtlixcoPuebla, Mexico
    992.3×
  104. 104NāgaurRajasthan, India
    992.3×
  105. 105KhannaPunjab, India
    992.3×
  106. 106RājsamandRajasthan, India
    992.3×
  107. 107TambaramTamil Nadu, India
    982.3×
  108. 108BūndiRajasthan, India
    972.3×
  109. 109TonkRajasthan, India
    972.3×
  110. 110TlaxcalaTlaxcala, Mexico
    972.3×
  111. 111BadlapurMaharashtra, India
    972.2×
  112. 112SilcharAssam, India
    962.2×
  113. 112QuthbullapurTelangana, India
    962.2×
  114. 114ThāneMaharashtra, India
    962.2×
  115. 115PanvelMaharashtra, India
    962.2×
  116. 115BharatpurRajasthan, India
    962.2×
  117. 117ShrīrāmpurWest Bengal, India
    952.2×
  118. 118TirumalaAndhra Pradesh, India
    942.2×
  119. 119KannurKerala, India
    942.2×
  120. 120HualquiBiobio, Chile
    942.1×
  121. 121San Luis de la PazGuanajuato, Mexico
    942.1×
  122. 122ShillongMeghalaya, India
    932.1×
  123. 122ShenyangLiaoning, China
    932.1×
  124. 124San Francisco De BorjaLima region, Peru
    932.1×
  125. 125Ciudad NezahualcoyotlMéxico, Mexico
    922.1×
  126. 126QuillotaValparaiso, Chile
    912.0×
  127. 127DurgapurWest Bengal, India
    902.0×
  128. 128KatiharBihar, India
    892.0×
  129. 129RasapūdipalemAndhra Pradesh, India
    892.0×
  130. 130MothīhāriBihar, India
    892.0×
  131. 131ByasanagarOdisha, India
    881.9×
  132. 132ChāpraBihar, India
    881.9×
  133. 133AlwarRajasthan, India
    881.9×
  134. 133La UniónLos Ríos Region, Chile
    881.9×
  135. 135OsornoLos Lagos Region, Chile
    871.9×
  136. 136San Martin Texmelucan de LabastidaPuebla, Mexico
    871.9×
  137. 137SamāstipurBihar, India
    871.9×
  138. 137HyderabadTelangana, India
    871.9×
  139. 139ConcónValparaiso, Chile
    861.9×
  140. 140SholapurMaharashtra, India
    861.9×
  141. 141UdaipurRajasthan, India
    861.8×
  142. 141PuneMaharashtra, India
    861.8×
  143. 141Dera Colliery TownshipOdisha, India
    861.8×
  144. 144ManamaManama, Bahrain
    851.8×
  145. 145YadgirKarnataka, India
    851.8×
  146. 145SiliguriWest Bengal, India
    851.8×
  147. 145BhubaneswarOdisha, India
    851.8×
  148. 145BhelaiChhattisgarh, India
    851.8×
  149. 149PueblaPuebla, Mexico
    851.8×
  150. 150NalbāriAssam, India
    851.8×
  151. 150Puerto AysénAysén, Chile
    851.8×
  152. 152ChūruRajasthan, India
    851.8×
  153. 153ValdiviaLos Ríos Region, Chile
    841.8×
  154. 154ChiguayanteBiobio, Chile
    841.8×
  155. 155JaisalmerRajasthan, India
    841.8×
  156. 156JodhpurRajasthan, India
    841.8×
  157. 157ChennaiTamil Nadu, India
    841.8×
  158. 157KanchipuramTamil Nadu, India
    841.8×
  159. 157Puerto MonttLos Lagos Region, Chile
    841.8×
  160. 157GuadalajaraJalisco, Mexico
    841.8×
  161. 161SatnaMadhya Pradesh, India
    831.8×
  162. 162MeerutUttar Pradesh, India
    831.8×
  163. 163KohimaNagaland, India
    831.7×
  164. 163JalorRajasthan, India
    831.7×
  165. 165SīkarRajasthan, India
    821.7×
  166. 165Mixquiahuala de JuárezHidalgo, Mexico
    821.7×
  167. 167KollamKerala, India
    821.7×
  168. 168KotaRajasthan, India
    821.7×
  169. 168GarcíaNuevo León, Mexico
    821.7×
  170. 170TlaquepaqueJalisco, Mexico
    811.7×
  171. 171DausaRajasthan, India
    811.7×
  172. 171Puerto VarasLos Lagos Region, Chile
    811.7×
  173. 173SerilingampalleTelangana, India
    811.7×
  174. 174MuzaffarpurBihar, India
    811.7×
  175. 175KolhāpurMaharashtra, India
    801.7×
  176. 176AurangabadMaharashtra, India
    801.7×
  177. 177BengaluruKarnataka, India
    801.6×
  178. 177HaldiaWest Bengal, India
    801.6×
  179. 179Istanbullow-cost sensorsIstanbul, Turkey
    801.6×
  180. 179GwaliorMadhya Pradesh, India
    801.6×
  181. 181LaturMaharashtra, India
    791.6×
  182. 182AguascalientesAguascalientes, Mexico
    791.6×
  183. 183HāpurUttar Pradesh, India
    791.6×
  184. 183BārānRajasthan, India
    791.6×
  185. 185CelayaGuanajuato, Mexico
    791.6×
  186. 186Santiago de QuerétaroQuerétaro, Mexico
    791.6×
  187. 187San Juan del RíoQuerétaro, Mexico
    781.6×
  188. 187MéridaYucatán, Mexico
    781.6×
  189. 187MandideepMadhya Pradesh, India
    781.6×
  190. 190BaripādaOdisha, India
    781.6×
  191. 191Sawai MadhopurRajasthan, India
    781.6×
  192. 191BettiahBihar, India
    781.6×
  193. 191Mexico CityMexico City, Mexico
    781.6×
  194. 191Silao de la VictoriaGuanajuato, Mexico
    781.6×
  195. 191Hacienda Santa FeJalisco, Mexico
    781.6×
  196. 196BikanerRajasthan, India
    771.6×
  197. 197TulancingoHidalgo, Mexico
    771.5×
  198. 197Jardines de la SillaNuevo León, Mexico
    771.5×
  199. 199BāghpatUttar Pradesh, India
    771.5×
  200. 199AkolaMaharashtra, India
    771.5×

Top 200 of 2,428 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, May 7, 2025, smogrank.com/history/2025-05-07 (accessed 2 Oct 2026).

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