SmogRank / History / May 6, 2025

Most polluted cities on May 6, 2025

2,387 cities ranked by their average PM2.5 over the day; the worst was Mangaluru, India, at 341.0 µg/m³. Each city's own local calendar day.

← Mangaluru 341.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for May 6, 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. 1MangaluruKarnataka, India
    500+22.7×
  2. 2HualpénBiobio, Chile
    2129.1×
  3. 3VillarricaAraucania, Chile
    1917.5×
  4. 4SuratGujarat, India
    1806.4×
  5. 5LinaresMaule Region, Chile
    1745.9×
  6. 6RamanathapuramTamil Nadu, India
    1725.7×
  7. 7Los ÁngelesBiobio, Chile
    1705.5×
  8. 8BawānaDelhi, India
    1685.4×
  9. 9LoniUttar Pradesh, India
    1685.3×
  10. 10ManamaManama, Bahrain
    1665.2×
  11. 11NacimientoBiobio, Chile
    1655.0×
  12. 12NarelaDelhi, India
    1645.0×
  13. 13ThanjavurTamil Nadu, India
    1644.9×
  14. 14CoyhaiqueAysén, Chile
    1644.9×
  15. 15San CarlosÑuble, Chile
    1634.9×
  16. 16ChillánÑuble, Chile
    1614.6×
  17. 17Dera MāndiDelhi, India
    1584.3×
  18. 18TalcaMaule Region, Chile
    1564.2×
  19. 19GhāziābādUttar Pradesh, India
    1554.1×
  20. 20Puente AltoSantiago Metropolitan, Chile
    1544.0×
  21. 21GobindgarhPunjab, India
    1533.9×
  22. 22RourkelaOdisha, India
    1523.8×
  23. 23LucknowUttar Pradesh, India
    1523.8×
  24. 24DelhiDelhi, India
    1513.7×
  25. 25CuricóMaule Region, Chile
    1493.7×
  26. 26TalcahuanoBiobio, Chile
    1483.6×
  27. 27LudhianaPunjab, India
    1443.5×
  28. 28ĀsansolWest Bengal, India
    1433.5×
  29. 29BulandshahrUttar Pradesh, India
    1423.5×
  30. 30MuzaffarnagarUttar Pradesh, India
    1413.5×
  31. 31CuttackOdisha, India
    1383.4×
  32. 32HualquiBiobio, Chile
    1373.3×
  33. 33SantiagoSantiago Metropolitan, Chile
    1353.3×
  34. 34NajafgarhDelhi, India
    1353.3×
  35. 34Sri GanganagarRajasthan, India
    1353.3×
  36. 34IrapuatoGuanajuato, Mexico
    1353.3×
  37. 37PāliRajasthan, India
    1323.2×
  38. 38CuranilahueBiobio, Chile
    1323.2×
  39. 39TemucoAraucania, Chile
    1313.2×
  40. 40San Pedro de la PazBiobio, Chile
    1283.1×
  41. 41Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1263.1×
  42. 42Aya NagarDelhi, India
    1263.0×
  43. 43NagaonAssam, India
    1263.0×
  44. 43NoidaUttar Pradesh, India
    1263.0×
  45. 45DhuleMaharashtra, India
    1253.0×
  46. 46Islamabadlow-cost sensorsIslamabad, Pakistan
    1222.9×
  47. 47TirupatiAndhra Pradesh, India
    1212.9×
  48. 47BhiwadiRajasthan, India
    1212.9×
  49. 49VijayawadaAndhra Pradesh, India
    1212.9×
  50. 50JaisalmerRajasthan, India
    1192.9×
  51. 51CauquenesMaule Region, Chile
    1182.8×
  52. 52Quezon Citylow-cost sensorsNational Capital Region, Philippines
    1182.8×
  53. 53ChiguayanteBiobio, Chile
    1182.8×
  54. 54HanumāngarhRajasthan, India
    1162.8×
  55. 54DādriUttar Pradesh, India
    1162.8×
  56. 56RānīganjWest Bengal, India
    1152.8×
  57. 57JakartaJakarta, Indonesia
    1152.7×
  58. 58RasapūdipalemAndhra Pradesh, India
    1142.7×
  59. 59AnantapurAndhra Pradesh, India
    1142.7×
  60. 60KalyānMaharashtra, India
    1132.7×
  61. 61Iloilolow-cost sensorsWestern Visayas, Philippines
    1122.7×
  62. 62SāngliMaharashtra, India
    1112.6×
  63. 63DushanbeDushanbe, Tajikistan
    1102.6×
  64. 63RancaguaO'Higgins Region, Chile
    1102.6×
  65. 63VapiGujarat, India
    1102.6×
  66. 66ThrissurKerala, India
    1082.6×
  67. 66RairangpurOdisha, India
    1082.6×
  68. 66ToméBiobio, Chile
    1082.6×
  69. 69BadlapurMaharashtra, India
    1072.5×
  70. 70CoronelBiobio, Chile
    1062.5×
  71. 71AlangadKerala, India
    1062.5×
  72. 72RengoO'Higgins Region, Chile
    1052.5×
  73. 73RājgīrBihar, India
    1042.5×
  74. 74PanvelMaharashtra, India
    1042.5×
  75. 75KigaliKigali, Rwanda
    1042.4×
  76. 75AjmerRajasthan, India
    1042.4×
  77. 77KohimaNagaland, India
    1032.4×
  78. 78MorādābādUttar Pradesh, India
    1032.4×
  79. 79KeonjhargarhOdisha, India
    1032.4×
  80. 80BhilwaraRajasthan, India
    1022.4×
  81. 80AngulOdisha, India
    1022.4×
  82. 82HājīpurBihar, India
    1022.4×
  83. 83BathindaPunjab, India
    1012.4×
  84. 84Vientianelow-cost sensorsVientiane Prefecture, Laos
    1002.4×
  85. 85SangāreddiTelangana, India
    1002.4×
  86. 85ConcepciónBiobio, Chile
    1002.4×
  87. 87SholapurMaharashtra, India
    1002.3×
  88. 88CholulaPuebla, Mexico
    992.3×
  89. 89Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    992.3×
  90. 90ByasanagarOdisha, India
    992.3×
  91. 91AmaravatiAndhra Pradesh, India
    982.3×
  92. 92JalandharPunjab, India
    972.3×
  93. 93SasarāmBihar, India
    972.2×
  94. 94KhannaPunjab, India
    962.2×
  95. 95TirumalaAndhra Pradesh, India
    962.2×
  96. 95Victoria de DurangoDurango, Mexico
    962.2×
  97. 95SingrauliMadhya Pradesh, India
    962.2×
  98. 98NagpurMaharashtra, India
    962.2×
  99. 98ValdiviaLos Ríos Region, Chile
    962.2×
  100. 100PatnaBihar, India
    962.2×
  101. 100KadapaAndhra Pradesh, India
    962.2×
  102. 102AurangabadMaharashtra, India
    962.2×
  103. 103GorakhpurUttar Pradesh, India
    952.2×
  104. 104KhurjaUttar Pradesh, India
    952.2×
  105. 104BhiwandiMaharashtra, India
    952.2×
  106. 106JaipurRajasthan, India
    952.2×
  107. 107KanpurUttar Pradesh, India
    942.1×
  108. 107Hacienda Santa FeJalisco, Mexico
    942.1×
  109. 109HyderabadTelangana, India
    932.1×
  110. 110ChandigarhChandigarh, India
    932.1×
  111. 110AgraUttar Pradesh, India
    932.1×
  112. 112NashikMaharashtra, India
    932.1×
  113. 113MahādMaharashtra, India
    922.1×
  114. 113MohaliPunjab, India
    922.1×
  115. 115YadgirKarnataka, India
    922.1×
  116. 115GummidipundiTamil Nadu, India
    922.1×
  117. 115TehuacánPuebla, Mexico
    922.1×
  118. 118VelloreTamil Nadu, India
    912.1×
  119. 119TalaganteSantiago Metropolitan, Chile
    912.0×
  120. 120ArāriaBihar, India
    912.0×
  121. 120Puerto AysénAysén, Chile
    912.0×
  122. 122Pimpri-ChinchwadMaharashtra, India
    912.0×
  123. 123Dubailow-cost sensorsDubai, United Arab Emirates
    902.0×
  124. 124BarbilOdisha, India
    902.0×
  125. 125AmravatiMaharashtra, India
    902.0×
  126. 126GayaBihar, India
    892.0×
  127. 126Cadereyta JiménezNuevo León, Mexico
    892.0×
  128. 128San Martin Texmelucan de LabastidaPuebla, Mexico
    892.0×
  129. 129SrinagarJammu and Kashmir, India
    881.9×
  130. 129HāpurUttar Pradesh, India
    881.9×
  131. 131QuillotaValparaiso, Chile
    881.9×
  132. 132TonkRajasthan, India
    881.9×
  133. 132ShrīrāmpurWest Bengal, India
    881.9×
  134. 134Greater NoidaUttar Pradesh, India
    871.9×
  135. 135KolkataWest Bengal, India
    871.9×
  136. 135BaripādaOdisha, India
    871.9×
  137. 137ShillongMeghalaya, India
    871.9×
  138. 138CoimbatoreTamil Nadu, India
    871.9×
  139. 139SatnaMadhya Pradesh, India
    861.9×
  140. 140Addis AbabaAddis Ababa, Ethiopia
    861.9×
  141. 140SilcharAssam, India
    861.9×
  142. 140KoppalKarnataka, India
    861.9×
  143. 143DurgapurWest Bengal, India
    861.9×
  144. 144EdinburgTexas, United States
    861.8×
  145. 144Jardines de la SillaNuevo León, Mexico
    861.8×
  146. 146UdaipurRajasthan, India
    851.8×
  147. 146AlwarRajasthan, India
    851.8×
  148. 146GarcíaNuevo León, Mexico
    851.8×
  149. 146Dera Colliery TownshipOdisha, India
    851.8×
  150. 150NāgaurRajasthan, India
    851.8×
  151. 150PrayagrajUttar Pradesh, India
    851.8×
  152. 152VirārMaharashtra, India
    851.8×
  153. 152BhelaiChhattisgarh, India
    851.8×
  154. 152SerilingampalleTelangana, India
    851.8×
  155. 155PatancheruTelangana, India
    851.8×
  156. 156BhubaneswarOdisha, India
    851.8×
  157. 157SiliguriWest Bengal, India
    841.8×
  158. 158Chik BallāpurKarnataka, India
    841.8×
  159. 158AkolaMaharashtra, India
    841.8×
  160. 158Ciudad Benito JuárezNuevo León, Mexico
    841.8×
  161. 161PuneMaharashtra, India
    841.8×
  162. 162DindigulTamil Nadu, India
    841.8×
  163. 162PueblaPuebla, Mexico
    841.8×
  164. 164MeerutUttar Pradesh, India
    831.8×
  165. 165OsornoLos Lagos Region, Chile
    831.8×
  166. 166DehradunUttarakhand, India
    821.7×
  167. 167BaddiHimachal Pradesh, India
    821.7×
  168. 168MonterreyNuevo León, Mexico
    821.7×
  169. 169ConcónValparaiso, Chile
    821.7×
  170. 171DausaRajasthan, India
    821.7×
  171. 171BilāspurChhattisgarh, India
    821.7×
  172. 173ChāndaMaharashtra, India
    811.7×
  173. 173La UniónLos Ríos Region, Chile
    811.7×
  174. 175LaturMaharashtra, India
    811.7×
  175. 175MissionTexas, United States
    811.7×
  176. 177GuwahatiAssam, India
    801.7×
  177. 178TambaramTamil Nadu, India
    801.7×
  178. 178QuilpuéValparaiso, Chile
    801.7×
  179. 180TlaquepaqueJalisco, Mexico
    801.6×
  180. 181Istanbullow-cost sensorsIstanbul, Turkey
    801.6×
  181. 181KolhāpurMaharashtra, India
    801.6×
  182. 183BūndiRajasthan, India
    791.6×
  183. 184RājsamandRajasthan, India
    791.6×
  184. 184RajamahendravaramAndhra Pradesh, India
    791.6×
  185. 184ParbhaniMaharashtra, India
    791.6×
  186. 184KhargharMaharashtra, India
    791.6×
  187. 188Viña del MarValparaiso, Chile
    791.6×
  188. 189AhmedabadGujarat, India
    791.6×
  189. 190Silao de la VictoriaGuanajuato, Mexico
    781.6×
  190. 191JhānsiUttar Pradesh, India
    781.6×
  191. 191BengaluruKarnataka, India
    781.6×
  192. 191QuinteroValparaiso, Chile
    781.6×
  193. 194Ciudad NezahualcoyotlMéxico, Mexico
    771.5×
  194. 195RishīkeshUttarakhand, India
    771.5×
  195. 196Mixquiahuala de JuárezHidalgo, Mexico
    771.5×
  196. 197CoquimboCoquimbo Region, Chile
    771.5×
  197. 198ShenyangLiaoning, China
    761.5×
  198. 199KotaRajasthan, India
    761.5×
  199. 199JodhpurRajasthan, India
    761.5×

Top 200 of 2,387 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 6, 2025, smogrank.com/history/2025-05-06 (accessed 3 Oct 2026).

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