SmogRank / History / May 14, 2025

Most polluted cities on May 14, 2025

2,660 cities ranked by their average PM2.5 over the day; the worst was Ramanathapuram, India, at 181.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during May 14, 2025. All episodes.

← Ramanathapuram 181.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for May 14, 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. 1RamanathapuramTamil Nadu, India
    25612.1×
  2. 2BadlapurMaharashtra, India
    2249.9×
  3. 3San CarlosÑuble, Chile
    2119.1×
  4. 4MangaluruKarnataka, India
    1836.7×
  5. 5ChillánÑuble, Chile
    1806.4×
  6. 6Sunland ParkNew Mexico, United States
    1756.0×
  7. 7MuzaffarnagarUttar Pradesh, India
    1725.7×
  8. 8BhelaiChhattisgarh, India
    1715.6×
  9. 9NarelaDelhi, India
    1685.3×
  10. 10BathindaPunjab, India
    1685.3×
  11. 11LinaresMaule Region, Chile
    1644.9×
  12. 11Aya NagarDelhi, India
    1644.9×
  13. 13JhālāwārRajasthan, India
    1634.8×
  14. 14Santa Anita - Los FicusLima region, Peru
    1634.8×
  15. 15CuddaloreTamil Nadu, India
    1624.8×
  16. 16LucknowUttar Pradesh, India
    1624.8×
  17. 17Ciudad JuárezChihuahua, Mexico
    1624.7×
  18. 18BawānaDelhi, India
    1604.6×
  19. 19GobindgarhPunjab, India
    1604.5×
  20. 20LoniUttar Pradesh, India
    1604.5×
  21. 21PatnaBihar, India
    1594.5×
  22. 22TirupparangunramTamil Nadu, India
    1594.4×
  23. 23HājīpurBihar, India
    1584.4×
  24. 24BulandshahrUttar Pradesh, India
    1574.2×
  25. 25BaddiHimachal Pradesh, India
    1564.2×
  26. 26Puente AltoSantiago Metropolitan, Chile
    1564.2×
  27. 27DelhiDelhi, India
    1564.1×
  28. 28VillarricaAraucania, Chile
    1554.1×
  29. 29AmaravatiAndhra Pradesh, India
    1554.1×
  30. 30MohaliPunjab, India
    1554.1×
  31. 31GorakhpurUttar Pradesh, India
    1554.1×
  32. 32AurangābādBihar, India
    1554.0×
  33. 33NajafgarhDelhi, India
    1544.0×
  34. 34BhiwadiRajasthan, India
    1544.0×
  35. 35PatiālaPunjab, India
    1544.0×
  36. 36SantiagoSantiago Metropolitan, Chile
    1533.9×
  37. 37CuttackOdisha, India
    1533.9×
  38. 37SingrauliMadhya Pradesh, India
    1533.9×
  39. 39TalcaMaule Region, Chile
    1523.8×
  40. 40NacimientoBiobio, Chile
    1523.8×
  41. 41ManamaManama, Bahrain
    1523.8×
  42. 42KhannaPunjab, India
    1513.7×
  43. 43TalaganteSantiago Metropolitan, Chile
    1493.7×
  44. 44LudhianaPunjab, India
    1493.7×
  45. 44Dera MāndiDelhi, India
    1493.7×
  46. 46CuranilahueBiobio, Chile
    1493.7×
  47. 47ChūruRajasthan, India
    1463.6×
  48. 48RengoO'Higgins Region, Chile
    1463.6×
  49. 49JalandharPunjab, India
    1423.5×
  50. 50El PasoTexas, United States
    1413.5×
  51. 51KeonjhargarhOdisha, India
    1413.4×
  52. 51AjmerRajasthan, India
    1413.4×
  53. 53HanumāngarhRajasthan, India
    1393.4×
  54. 54TirupatiAndhra Pradesh, India
    1383.4×
  55. 55GayaBihar, India
    1383.4×
  56. 56RancaguaO'Higgins Region, Chile
    1373.4×
  57. 57BuxarBihar, India
    1363.3×
  58. 58VelloreTamil Nadu, India
    1363.3×
  59. 59AhmedabadGujarat, India
    1343.3×
  60. 60CallaoCallao, Peru
    1343.3×
  61. 61ĀsansolWest Bengal, India
    1333.2×
  62. 62RourkelaOdisha, India
    1303.2×
  63. 62CuricóMaule Region, Chile
    1303.2×
  64. 64BhāgalpurBihar, India
    1303.2×
  65. 65LaturMaharashtra, India
    1303.1×
  66. 66SangāreddiTelangana, India
    1293.1×
  67. 67VijayawadaAndhra Pradesh, India
    1273.1×
  68. 67CauquenesMaule Region, Chile
    1273.1×
  69. 69TiruppurTamil Nadu, India
    1263.0×
  70. 69DādriUttar Pradesh, India
    1263.0×
  71. 71UdaipurRajasthan, India
    1263.0×
  72. 72BoisarMaharashtra, India
    1263.0×
  73. 73NāgaurRajasthan, India
    1253.0×
  74. 74BhiwandiMaharashtra, India
    1253.0×
  75. 75JaipurRajasthan, India
    1253.0×
  76. 76Islamabadlow-cost sensorsIslamabad, Pakistan
    1243.0×
  77. 77ChandigarhChandigarh, India
    1233.0×
  78. 77NoidaUttar Pradesh, India
    1233.0×
  79. 79BarbilOdisha, India
    1222.9×
  80. 80AnantapurAndhra Pradesh, India
    1222.9×
  81. 81KanpurUttar Pradesh, India
    1212.9×
  82. 82TirumalaAndhra Pradesh, India
    1212.9×
  83. 82QuillotaValparaiso, Chile
    1212.9×
  84. 84CoronelBiobio, Chile
    1212.9×
  85. 85RasapūdipalemAndhra Pradesh, India
    1192.9×
  86. 86Sawai MadhopurRajasthan, India
    1192.9×
  87. 87JhunjhunūnRajasthan, India
    1182.8×
  88. 88PāliRajasthan, India
    1172.8×
  89. 89Chik BallāpurKarnataka, India
    1162.8×
  90. 90LimaLima Province, Peru
    1162.8×
  91. 90JodaOdisha, India
    1162.8×
  92. 92HualpénBiobio, Chile
    1152.8×
  93. 93RairangpurOdisha, India
    1152.7×
  94. 94KohimaNagaland, India
    1142.7×
  95. 94DehradunUttarakhand, India
    1142.7×
  96. 96GandhinagarGujarat, India
    1142.7×
  97. 97PanvelMaharashtra, India
    1122.7×
  98. 98MeerutUttar Pradesh, India
    1122.7×
  99. 99Greater NoidaUttar Pradesh, India
    1112.6×
  100. 100AngulOdisha, India
    1112.6×
  101. 101GummidipundiTamil Nadu, India
    1112.6×
  102. 102PrayagrajUttar Pradesh, India
    1102.6×
  103. 103KhargharMaharashtra, India
    1102.6×
  104. 104NashikMaharashtra, India
    1092.6×
  105. 104Sri GanganagarRajasthan, India
    1092.6×
  106. 106AmritsarPunjab, India
    1082.6×
  107. 107Hacienda Santa FeJalisco, Mexico
    1082.6×
  108. 108San Francisco De BorjaLima region, Peru
    1072.5×
  109. 109ChāpraBihar, India
    1072.5×
  110. 110ThāneMaharashtra, India
    1072.5×
  111. 110MalegaonMaharashtra, India
    1072.5×
  112. 112KalyānMaharashtra, India
    1072.5×
  113. 113BhayandarMaharashtra, India
    1062.5×
  114. 113HualquiBiobio, Chile
    1062.5×
  115. 115SocorroTexas, United States
    1052.5×
  116. 116MuzaffarpurBihar, India
    1052.5×
  117. 116TemucoAraucania, Chile
    1052.5×
  118. 118ValdiviaLos Ríos Region, Chile
    1052.5×
  119. 119TiruchirappalliTamil Nadu, India
    1052.5×
  120. 120VirārMaharashtra, India
    1042.5×
  121. 120PurniaBihar, India
    1042.5×
  122. 122QuilpuéValparaiso, Chile
    1042.4×
  123. 123ConcónValparaiso, Chile
    1032.4×
  124. 123IzunokuniShizuoka, Japan
    1032.4×
  125. 125BilāspurChhattisgarh, India
    1032.4×
  126. 126AurangabadMaharashtra, India
    1032.4×
  127. 127RajamahendravaramAndhra Pradesh, India
    1022.4×
  128. 127DausaRajasthan, India
    1022.4×
  129. 129KhurjaUttar Pradesh, India
    1022.4×
  130. 129BāghpatUttar Pradesh, India
    1022.4×
  131. 131MothīhāriBihar, India
    1022.4×
  132. 132KarauliRajasthan, India
    1002.3×
  133. 133TonkRajasthan, India
    992.3×
  134. 133OsornoLos Lagos Region, Chile
    992.3×
  135. 135NagpurMaharashtra, India
    992.3×
  136. 135ByasanagarOdisha, India
    992.3×
  137. 137RatlāmMadhya Pradesh, India
    992.3×
  138. 137MandideepMadhya Pradesh, India
    992.3×
  139. 139JakartaJakarta, Indonesia
    982.3×
  140. 139SeonghwanChungcheongnam-do, South Korea
    982.3×
  141. 141Los ÁngelesBiobio, Chile
    982.3×
  142. 142OdessaTexas, United States
    972.3×
  143. 143NanNan, Thailand
    972.2×
  144. 144QuthbullapurTelangana, India
    972.2×
  145. 145QuinteroValparaiso, Chile
    962.2×
  146. 146ChennaiTamil Nadu, India
    962.2×
  147. 147RānīganjWest Bengal, India
    962.2×
  148. 147BhilwaraRajasthan, India
    962.2×
  149. 149HyderabadTelangana, India
    962.2×
  150. 150Addis AbabaAddis Ababa, Ethiopia
    962.2×
  151. 150SīkarRajasthan, India
    962.2×
  152. 152KanchanaburiKanchanaburi, Thailand
    952.2×
  153. 153AnkleshwarGujarat, India
    952.2×
  154. 154Quezon Citylow-cost sensorsNational Capital Region, Philippines
    952.2×
  155. 155GwaliorMadhya Pradesh, India
    942.2×
  156. 155TamanaKumamoto, Japan
    942.2×
  157. 155Viña del MarValparaiso, Chile
    942.2×
  158. 155Puerto AysénAysén, Chile
    942.2×
  159. 159TambaramTamil Nadu, India
    932.1×
  160. 159AtlixcoPuebla, Mexico
    932.1×
  161. 161Mixquiahuala de JuárezHidalgo, Mexico
    932.1×
  162. 162DushanbeDushanbe, Tajikistan
    932.1×
  163. 163GūduvāncheriTamil Nadu, India
    932.1×
  164. 163TocopillaAntofagasta, Chile
    932.1×
  165. 165DhuleMaharashtra, India
    922.1×
  166. 166JhānsiUttar Pradesh, India
    922.1×
  167. 166MumbaiMaharashtra, India
    922.1×
  168. 166WaegwanGyeongsangbuk-do, South Korea
    922.1×
  169. 169PatancheruTelangana, India
    922.1×
  170. 169GumiGyeongsangbuk-do, South Korea
    922.1×
  171. 171PubalGyeonggi-do, South Korea
    912.1×
  172. 172Cadereyta JiménezNuevo León, Mexico
    912.0×
  173. 173SrinagarJammu and Kashmir, India
    912.0×
  174. 173MonterreyNuevo León, Mexico
    912.0×
  175. 175JodhpurRajasthan, India
    912.0×
  176. 175KadapaAndhra Pradesh, India
    912.0×
  177. 177Ciudad Benito JuárezNuevo León, Mexico
    902.0×
  178. 178RaipurChhattisgarh, India
    902.0×
  179. 178Wadgaon KolhatiMaharashtra, India
    902.0×
  180. 180BharatpurRajasthan, India
    902.0×
  181. 181ShenyangLiaoning, China
    902.0×
  182. 181La UniónLos Ríos Region, Chile
    902.0×
  183. 181Santiago de QuerétaroQuerétaro, Mexico
    902.0×
  184. 181NeelankaraiTamil Nadu, India
    902.0×
  185. 185AguascalientesAguascalientes, Mexico
    892.0×
  186. 185BelpaharOdisha, India
    892.0×
  187. 187AlwarRajasthan, India
    892.0×
  188. 187AgraUttar Pradesh, India
    892.0×
  189. 189MungerBihar, India
    892.0×
  190. 189TalcahuanoBiobio, Chile
    892.0×
  191. 191AkolaMaharashtra, India
    881.9×
  192. 191GarcíaNuevo León, Mexico
    881.9×
  193. 193NalbāriAssam, India
    881.9×
  194. 193HobbsNew Mexico, United States
    881.9×
  195. 195SerilingampalleTelangana, India
    881.9×
  196. 196DūngarpurRajasthan, India
    881.9×
  197. 196VapiGujarat, India
    881.9×
  198. 198KolkataWest Bengal, India
    871.9×
  199. 198HayangGyeongsangbuk-do, South Korea
    871.9×
  200. 198CoyhaiqueAysén, Chile
    871.9×

Top 200 of 2,660 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 14, 2025, smogrank.com/history/2025-05-14 (accessed 2 Oct 2026).

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