SmogRank / History / May 12, 2025

Most polluted cities on May 12, 2025

2,681 cities ranked by their average PM2.5 over the day; the worst was Hassan, India, at 800.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during May 12, 2025. All episodes.

← Hassan 800.0 µg/m³ 700 µg/m³15 WHO 24-hour guideline
Every city ranked for May 12, 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. 1HassanKarnataka, India
    500+53.3×
  2. 2GobindgarhPunjab, India
    2189.5×
  3. 3RamanathapuramTamil Nadu, India
    1877.1×
  4. 4PatiālaPunjab, India
    1867.1×
  5. 5RourkelaOdisha, India
    1675.2×
  6. 6JodaOdisha, India
    1624.8×
  7. 7AngulOdisha, India
    1604.6×
  8. 8CuttackOdisha, India
    1604.6×
  9. 9BawānaDelhi, India
    1594.5×
  10. 10BhelaiChhattisgarh, India
    1594.5×
  11. 11CoyhaiqueAysén, Chile
    1594.4×
  12. 12NarelaDelhi, India
    1594.4×
  13. 13WismarMecklenburg-Vorpommern, Germany
    1584.4×
  14. 14NacimientoBiobio, Chile
    1564.2×
  15. 14LinaresMaule Region, Chile
    1564.2×
  16. 16MuzaffarnagarUttar Pradesh, India
    1564.2×
  17. 17HājīpurBihar, India
    1564.1×
  18. 18ManamaManama, Bahrain
    1554.1×
  19. 19AmaravatiAndhra Pradesh, India
    1554.1×
  20. 20San CarlosÑuble, Chile
    1544.0×
  21. 21PatnaBihar, India
    1543.9×
  22. 22BarbilOdisha, India
    1533.9×
  23. 23ChillánÑuble, Chile
    1523.8×
  24. 24Santa Anita - Los FicusLima region, Peru
    1513.7×
  25. 25Dera MāndiDelhi, India
    1443.5×
  26. 26RasapūdipalemAndhra Pradesh, India
    1443.5×
  27. 26LoniUttar Pradesh, India
    1443.5×
  28. 28JaipurRajasthan, India
    1423.5×
  29. 29TemucoAraucania, Chile
    1403.4×
  30. 30LucknowUttar Pradesh, India
    1393.4×
  31. 31ĀsansolWest Bengal, India
    1343.2×
  32. 32DushanbeDushanbe, Tajikistan
    1313.2×
  33. 33MalegaonMaharashtra, India
    1313.2×
  34. 33GhāziābādUttar Pradesh, India
    1313.2×
  35. 33BadlapurMaharashtra, India
    1313.2×
  36. 36KeonjhargarhOdisha, India
    1303.1×
  37. 36AjmerRajasthan, India
    1303.1×
  38. 38NajafgarhDelhi, India
    1293.1×
  39. 39UdaipurRajasthan, India
    1283.1×
  40. 39DelhiDelhi, India
    1283.1×
  41. 41KohimaNagaland, India
    1253.0×
  42. 42VijayawadaAndhra Pradesh, India
    1243.0×
  43. 42DausaRajasthan, India
    1243.0×
  44. 42BulandshahrUttar Pradesh, India
    1243.0×
  45. 45MohaliPunjab, India
    1233.0×
  46. 46ChiguayanteBiobio, Chile
    1233.0×
  47. 47BhiwandiMaharashtra, India
    1222.9×
  48. 48HualquiBiobio, Chile
    1222.9×
  49. 49Iloilolow-cost sensorsWestern Visayas, Philippines
    1222.9×
  50. 50SantiagoSantiago Metropolitan, Chile
    1212.9×
  51. 51Puente AltoSantiago Metropolitan, Chile
    1212.9×
  52. 52CuranilahueBiobio, Chile
    1212.9×
  53. 53TirupatiAndhra Pradesh, India
    1212.9×
  54. 54GummidipundiTamil Nadu, India
    1192.8×
  55. 55AnantapurAndhra Pradesh, India
    1182.8×
  56. 56TalaganteSantiago Metropolitan, Chile
    1172.8×
  57. 57NagpurMaharashtra, India
    1172.8×
  58. 57HualpénBiobio, Chile
    1172.8×
  59. 59AhmedabadGujarat, India
    1142.7×
  60. 60CuricóMaule Region, Chile
    1132.7×
  61. 61KanpurUttar Pradesh, India
    1132.7×
  62. 61BhiwadiRajasthan, India
    1132.7×
  63. 63SingrauliMadhya Pradesh, India
    1122.7×
  64. 64BelpaharOdisha, India
    1112.6×
  65. 65VillarricaAraucania, Chile
    1102.6×
  66. 66CoronelBiobio, Chile
    1082.6×
  67. 67BhilwaraRajasthan, India
    1082.5×
  68. 68RajamahendravaramAndhra Pradesh, India
    1072.5×
  69. 69TirumalaAndhra Pradesh, India
    1062.5×
  70. 69RancaguaO'Higgins Region, Chile
    1062.5×
  71. 71GwaliorMadhya Pradesh, India
    1062.5×
  72. 72TalcaMaule Region, Chile
    1052.5×
  73. 72ByasanagarOdisha, India
    1052.5×
  74. 74RānīganjWest Bengal, India
    1042.5×
  75. 75BaripādaOdisha, India
    1042.5×
  76. 75BaddiHimachal Pradesh, India
    1042.5×
  77. 77QuillotaValparaiso, Chile
    1042.4×
  78. 78Dera Colliery TownshipOdisha, India
    1042.4×
  79. 79ChennaiTamil Nadu, India
    1032.4×
  80. 79KolkataWest Bengal, India
    1032.4×
  81. 81NeelankaraiTamil Nadu, India
    1032.4×
  82. 82PāliRajasthan, India
    1032.4×
  83. 83RengoO'Higgins Region, Chile
    1022.4×
  84. 84RānipetTamil Nadu, India
    1022.4×
  85. 85SangāreddiTelangana, India
    1012.4×
  86. 85ChittorgarhRajasthan, India
    1012.4×
  87. 87ShenyangLiaoning, China
    1002.4×
  88. 88TiruchirappalliTamil Nadu, India
    1002.4×
  89. 88Quezon Citylow-cost sensorsNational Capital Region, Philippines
    1002.4×
  90. 90DādriUttar Pradesh, India
    1002.3×
  91. 91Dubailow-cost sensorsDubai, United Arab Emirates
    992.3×
  92. 91BārmerRajasthan, India
    992.3×
  93. 91CallaoCallao, Peru
    992.3×
  94. 94BārānRajasthan, India
    992.3×
  95. 94PithampurMadhya Pradesh, India
    992.3×
  96. 94NoidaUttar Pradesh, India
    992.3×
  97. 97OsornoLos Lagos Region, Chile
    992.3×
  98. 98JhālāwārRajasthan, India
    982.3×
  99. 99DewasMadhya Pradesh, India
    982.3×
  100. 99Los ÁngelesBiobio, Chile
    982.3×
  101. 101Sri GanganagarRajasthan, India
    972.3×
  102. 102AurangabadMaharashtra, India
    962.2×
  103. 103JalandharPunjab, India
    962.2×
  104. 103Bucheon-siGyeonggi-do, South Korea
    962.2×
  105. 105BhāgalpurBihar, India
    952.2×
  106. 105AgraUttar Pradesh, India
    952.2×
  107. 105Ansan-siGyeonggi-do, South Korea
    952.2×
  108. 105TalcahuanoBiobio, Chile
    952.2×
  109. 109Addis AbabaAddis Ababa, Ethiopia
    952.2×
  110. 109BhubaneswarOdisha, India
    952.2×
  111. 111TonkRajasthan, India
    952.2×
  112. 111MandideepMadhya Pradesh, India
    952.2×
  113. 113KannurKerala, India
    952.2×
  114. 113Goyang-siGyeonggi-do, South Korea
    952.2×
  115. 115Gimpo-siGyeonggi-do, South Korea
    952.2×
  116. 116ToméBiobio, Chile
    942.2×
  117. 117SuwonGyeonggi-do, South Korea
    942.2×
  118. 118GandhinagarGujarat, India
    942.1×
  119. 119GorakhpurUttar Pradesh, India
    942.1×
  120. 119SerilingampalleTelangana, India
    942.1×
  121. 121SaugorMadhya Pradesh, India
    942.1×
  122. 121SeoulSeoul, South Korea
    942.1×
  123. 123ChāpraBihar, India
    932.1×
  124. 124Samut SakhonSamut Sakhon, Thailand
    932.1×
  125. 125GayaBihar, India
    932.1×
  126. 125Ciudad JuárezChihuahua, Mexico
    932.1×
  127. 127PubalGyeonggi-do, South Korea
    932.1×
  128. 128CauquenesMaule Region, Chile
    932.1×
  129. 129BuxarBihar, India
    922.1×
  130. 130KotaRajasthan, India
    922.1×
  131. 131PrayagrajUttar Pradesh, India
    922.1×
  132. 132Sawai MadhopurRajasthan, India
    912.1×
  133. 133KalyānMaharashtra, India
    912.0×
  134. 134HyderabadTelangana, India
    912.0×
  135. 134GūduvāncheriTamil Nadu, India
    912.0×
  136. 136TangjinChungcheongnam-do, South Korea
    912.0×
  137. 136PyeongtaekGyeonggi-do, South Korea
    912.0×
  138. 138AnseongGyeonggi-do, South Korea
    912.0×
  139. 139SeonghwanChungcheongnam-do, South Korea
    902.0×
  140. 139IncheonIncheon, South Korea
    902.0×
  141. 141ThāneMaharashtra, India
    902.0×
  142. 141DurgapurWest Bengal, India
    902.0×
  143. 143MuzaffarpurBihar, India
    902.0×
  144. 143MungerBihar, India
    902.0×
  145. 145BānswāraRajasthan, India
    902.0×
  146. 145La UniónLos Ríos Region, Chile
    902.0×
  147. 147AmritsarPunjab, India
    902.0×
  148. 147Anyang-siGyeonggi-do, South Korea
    902.0×
  149. 149Guri-siGyeonggi-do, South Korea
    902.0×
  150. 149GwangmyeongGyeonggi-do, South Korea
    902.0×
  151. 149ValdiviaLos Ríos Region, Chile
    902.0×
  152. 149Wadgaon KolhatiMaharashtra, India
    902.0×
  153. 153YeojuGyeonggi-do, South Korea
    892.0×
  154. 153Hwaseong-siGyeonggi-do, South Korea
    892.0×
  155. 153LimaLima Province, Peru
    892.0×
  156. 156ThrissurKerala, India
    892.0×
  157. 157GuwahatiAssam, India
    892.0×
  158. 157JungpyongNorth Chungcheong, South Korea
    892.0×
  159. 159DehradunUttarakhand, India
    892.0×
  160. 160ShrīrāmpurWest Bengal, India
    892.0×
  161. 160JhunjhunūnRajasthan, India
    892.0×
  162. 160Icheon-siGyeonggi-do, South Korea
    892.0×
  163. 163PanvelMaharashtra, India
    881.9×
  164. 164VelloreTamil Nadu, India
    881.9×
  165. 164ChandigarhChandigarh, India
    881.9×
  166. 164HaenamJeollanam-do, South Korea
    881.9×
  167. 167AsanChungcheongnam-do, South Korea
    881.9×
  168. 168OsanGyeonggi-do, South Korea
    881.9×
  169. 169Puerto MonttLos Lagos Region, Chile
    881.9×
  170. 170JaisalmerRajasthan, India
    871.9×
  171. 171NajuJeollanam-do, South Korea
    871.9×
  172. 171KinzanChungcheongnam-do, South Korea
    871.9×
  173. 173Islamabadlow-cost sensorsIslamabad, Pakistan
    871.9×
  174. 173KadapaAndhra Pradesh, India
    871.9×
  175. 175JhānsiUttar Pradesh, India
    871.9×
  176. 175DūngarpurRajasthan, India
    871.9×
  177. 177LudhianaPunjab, India
    861.9×
  178. 177WŏnjuGangwon-do, South Korea
    861.9×
  179. 179QuinteroValparaiso, Chile
    861.9×
  180. 179ConcepciónBiobio, Chile
    861.9×
  181. 181BāghpatUttar Pradesh, India
    861.9×
  182. 182ChūruRajasthan, India
    851.8×
  183. 182ConcónValparaiso, Chile
    851.8×
  184. 184RatlāmMadhya Pradesh, India
    851.8×
  185. 185AnkleshwarGujarat, India
    851.8×
  186. 185Uijeongbu-siGyeonggi-do, South Korea
    851.8×
  187. 185TongyeongGyeongsangnam-do, South Korea
    851.8×
  188. 188SāngliMaharashtra, India
    851.8×
  189. 189JalorRajasthan, India
    851.8×
  190. 190BhopalMadhya Pradesh, India
    841.8×
  191. 191GumiGyeongsangbuk-do, South Korea
    841.8×
  192. 191QuilpuéValparaiso, Chile
    841.8×
  193. 191San Francisco De BorjaLima region, Peru
    841.8×
  194. 194PurniaBihar, India
    841.8×
  195. 195ChāndaMaharashtra, India
    831.8×
  196. 195MasanGwangju, South Korea
    831.8×
  197. 197MeerutUttar Pradesh, India
    831.8×
  198. 198TambaramTamil Nadu, India
    831.7×
  199. 199Ganghwa-gunIncheon, South Korea
    831.7×
  200. 199CopiapóAtacama, Chile
    831.7×

Top 200 of 2,681 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 12, 2025, smogrank.com/history/2025-05-12 (accessed 2 Oct 2026).

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