SmogRank / History / July 18, 2025

Most polluted cities on July 18, 2025

2,546 cities ranked by their average PM2.5 over the day; the worst was Villarrica, Chile, at 128.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during July 18, 2025. All episodes.

← Villarrica 128.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for July 18, 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. 1VillarricaAraucania, Chile
    2038.5×
  2. 1LinaresMaule Region, Chile
    2038.5×
  3. 3TemucoAraucania, Chile
    1967.9×
  4. 4CuricóMaule Region, Chile
    1957.9×
  5. 5Sri GanganagarRajasthan, India
    1937.7×
  6. 6NacimientoBiobio, Chile
    1867.0×
  7. 7BidarKarnataka, India
    1846.8×
  8. 8SuratGujarat, India
    1796.4×
  9. 9Faisalabadlow-cost sensorsPunjab, Pakistan
    1786.3×
  10. 10BhelaiChhattisgarh, India
    1755.9×
  11. 11Lahorelow-cost sensorsPunjab, Pakistan
    1705.5×
  12. 12JodaOdisha, India
    1695.4×
  13. 13TiruppurTamil Nadu, India
    1675.2×
  14. 14SamāstipurBihar, India
    1634.8×
  15. 15KigaliKigali, Rwanda
    1604.6×
  16. 16GobindgarhPunjab, India
    1584.4×
  17. 17SaugorMadhya Pradesh, India
    1584.4×
  18. 18TalaganteSantiago Metropolitan, Chile
    1584.3×
  19. 19HassanKarnataka, India
    1584.3×
  20. 20RancaguaO'Higgins Region, Chile
    1574.3×
  21. 21HualquiBiobio, Chile
    1544.0×
  22. 22RengoO'Higgins Region, Chile
    1533.9×
  23. 23Fort McMurrayAlberta, Canada
    1513.7×
  24. 24CholulaPuebla, Mexico
    1513.7×
  25. 25SantiagoSantiago Metropolitan, Chile
    1503.7×
  26. 26Gujranwalalow-cost sensorsPunjab, Pakistan
    1453.6×
  27. 27CoronelBiobio, Chile
    1453.6×
  28. 28CoyhaiqueAysén, Chile
    1413.4×
  29. 29OsornoLos Lagos Region, Chile
    1393.4×
  30. 30SangāreddiTelangana, India
    1363.3×
  31. 31TalcaMaule Region, Chile
    1363.3×
  32. 32QuilpuéValparaiso, Chile
    1333.2×
  33. 32Los ÁngelesBiobio, Chile
    1333.2×
  34. 34Sialkotlow-cost sensorsPunjab, Pakistan
    1303.1×
  35. 35Puerto AysénAysén, Chile
    1293.1×
  36. 36ManamaManama, Bahrain
    1283.1×
  37. 36Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1283.1×
  38. 38JakartaJakarta, Indonesia
    1273.1×
  39. 39DushanbeDushanbe, Tajikistan
    1243.0×
  40. 40NandedMaharashtra, India
    1233.0×
  41. 41KadapaAndhra Pradesh, India
    1212.9×
  42. 42HājīpurBihar, India
    1212.9×
  43. 43Multanlow-cost sensorsPunjab, Pakistan
    1192.9×
  44. 44San CarlosÑuble, Chile
    1192.9×
  45. 45GayaBihar, India
    1172.8×
  46. 46ChittoorAndhra Pradesh, India
    1172.8×
  47. 46ConcepciónBiobio, Chile
    1172.8×
  48. 48Rawalpindilow-cost sensorsPunjab, Pakistan
    1152.7×
  49. 49ChillánÑuble, Chile
    1152.7×
  50. 50Addis AbabaAddis Ababa, Ethiopia
    1142.7×
  51. 51Puente AltoSantiago Metropolitan, Chile
    1122.7×
  52. 51Gadag-BetageriKarnataka, India
    1122.7×
  53. 53PāliRajasthan, India
    1112.6×
  54. 54DhuleMaharashtra, India
    1102.6×
  55. 55CauquenesMaule Region, Chile
    1102.6×
  56. 56NagaonAssam, India
    1092.6×
  57. 56KishanganjBihar, India
    1092.6×
  58. 58Santa Anita - Los FicusLima region, Peru
    1082.6×
  59. 59AmravatiMaharashtra, India
    1072.5×
  60. 59VapiGujarat, India
    1072.5×
  61. 61PithampurMadhya Pradesh, India
    1062.5×
  62. 62MalegaonMaharashtra, India
    1052.5×
  63. 63AnantapurAndhra Pradesh, India
    1052.5×
  64. 63San Francisco De BorjaLima region, Peru
    1052.5×
  65. 65SaharsaBihar, India
    1052.5×
  66. 66CoquimboCoquimbo Region, Chile
    1042.4×
  67. 67UdaipurRajasthan, India
    1032.4×
  68. 67ChiguayanteBiobio, Chile
    1032.4×
  69. 69LudhianaPunjab, India
    1032.4×
  70. 70ValdiviaLos Ríos Region, Chile
    1032.4×
  71. 71BānswāraRajasthan, India
    1022.4×
  72. 72Dubailow-cost sensorsDubai, United Arab Emirates
    1002.4×
  73. 72NagpurMaharashtra, India
    1002.4×
  74. 74SāngliMaharashtra, India
    992.3×
  75. 75QuillotaValparaiso, Chile
    992.3×
  76. 76PanvelMaharashtra, India
    972.3×
  77. 77AhmedabadGujarat, India
    962.2×
  78. 78ArrahBihar, India
    962.2×
  79. 79VijayawadaAndhra Pradesh, India
    962.2×
  80. 79UnderaGujarat, India
    962.2×
  81. 81BadlapurMaharashtra, India
    962.2×
  82. 82GandhinagarGujarat, India
    952.2×
  83. 83Santa LucíaCanary Islands, Spain
    952.2×
  84. 84TambaramTamil Nadu, India
    942.1×
  85. 84QuinteroValparaiso, Chile
    942.1×
  86. 84CallaoCallao, Peru
    942.1×
  87. 87ConcónValparaiso, Chile
    932.1×
  88. 88MuzaffarnagarUttar Pradesh, India
    932.1×
  89. 89Rouyn-NorandaQuebec, Canada
    932.1×
  90. 90PurniaBihar, India
    912.0×
  91. 90DūngarpurRajasthan, India
    912.0×
  92. 92KotaRajasthan, India
    912.0×
  93. 92CuranilahueBiobio, Chile
    912.0×
  94. 94NalbāriAssam, India
    902.0×
  95. 94Accralow-cost sensorsGreater Accra, Ghana
    902.0×
  96. 96MahādMaharashtra, India
    902.0×
  97. 96BhiwandiMaharashtra, India
    902.0×
  98. 98Islamabadlow-cost sensorsIslamabad, Pakistan
    892.0×
  99. 98HyderabadTelangana, India
    892.0×
  100. 98Wadgaon KolhatiMaharashtra, India
    892.0×
  101. 101XonacatlánMéxico, Mexico
    892.0×
  102. 102MaiharMadhya Pradesh, India
    881.9×
  103. 103KalyānMaharashtra, India
    871.9×
  104. 104AurangabadMaharashtra, India
    871.9×
  105. 104GarcíaNuevo León, Mexico
    871.9×
  106. 106HualpénBiobio, Chile
    861.9×
  107. 107BaripādaOdisha, India
    861.9×
  108. 107Viña del MarValparaiso, Chile
    861.9×
  109. 107Prince AlbertSaskatchewan, Canada
    861.9×
  110. 107AlangadKerala, India
    861.9×
  111. 111SiliguriWest Bengal, India
    861.9×
  112. 111IndoreMadhya Pradesh, India
    861.9×
  113. 111ToméBiobio, Chile
    861.9×
  114. 114BaddiHimachal Pradesh, India
    861.9×
  115. 115RatlāmMadhya Pradesh, India
    861.8×
  116. 115KannurKerala, India
    861.8×
  117. 117Naucalpan de JuárezMéxico, Mexico
    851.8×
  118. 117La SerenaCoquimbo Region, Chile
    851.8×
  119. 119MohaliPunjab, India
    851.8×
  120. 120KohimaNagaland, India
    851.8×
  121. 120AtlixcoPuebla, Mexico
    851.8×
  122. 122TiruchirappalliTamil Nadu, India
    851.8×
  123. 123ChāndaMaharashtra, India
    851.8×
  124. 124Bahawalpurlow-cost sensorsPunjab, Pakistan
    841.8×
  125. 125MuzaffarpurBihar, India
    841.8×
  126. 126DewasMadhya Pradesh, India
    831.8×
  127. 127Karachilow-cost sensorsSindh, Pakistan
    831.8×
  128. 127Dera Colliery TownshipOdisha, India
    831.8×
  129. 129MorādābādUttar Pradesh, India
    831.7×
  130. 129DurgapurWest Bengal, India
    831.7×
  131. 131La UniónLos Ríos Region, Chile
    831.7×
  132. 132BhopalMadhya Pradesh, India
    821.7×
  133. 133VaranasiUttar Pradesh, India
    821.7×
  134. 133NashikMaharashtra, India
    821.7×
  135. 133AkolaMaharashtra, India
    821.7×
  136. 133Ciudad Benito JuárezNuevo León, Mexico
    821.7×
  137. 137PatnaBihar, India
    821.7×
  138. 137ReginaSaskatchewan, Canada
    821.7×
  139. 139Medina Estateslow-cost sensorsGreater Accra, Ghana
    821.7×
  140. 140Quettalow-cost sensorsBalochistan, Pakistan
    821.7×
  141. 140Santa CatarinaNuevo León, Mexico
    821.7×
  142. 142BawānaDelhi, India
    811.7×
  143. 142Duque de CaxiasRio de Janeiro, Brazil
    811.7×
  144. 144PuneMaharashtra, India
    811.7×
  145. 144LucknowUttar Pradesh, India
    811.7×
  146. 144Wan ChaiWan Chai, Hong Kong
    811.7×
  147. 144BarbilOdisha, India
    811.7×
  148. 148NarelaDelhi, India
    811.7×
  149. 148NajafgarhDelhi, India
    811.7×
  150. 150AriyalūrTamil Nadu, India
    801.7×
  151. 151Barrio de PeralMurcia, Spain
    801.7×
  152. 151CopiapóAtacama, Chile
    801.7×
  153. 153DelhiDelhi, India
    801.6×
  154. 154San Francisco TlalcilalcalpanMéxico, Mexico
    801.6×
  155. 155KhannaPunjab, India
    801.6×
  156. 156Istanbullow-cost sensorsIstanbul, Turkey
    801.6×
  157. 156LimaLima Province, Peru
    801.6×
  158. 158Hyderabadlow-cost sensorsSindh, Pakistan
    791.6×
  159. 159MonterreyNuevo León, Mexico
    791.6×
  160. 159NoidaUttar Pradesh, India
    791.6×
  161. 161LaturMaharashtra, India
    791.6×
  162. 161Dunedinlow-cost sensorsOtago, New Zealand
    791.6×
  163. 163JalorRajasthan, India
    791.6×
  164. 164TonkRajasthan, India
    791.6×
  165. 164RājsamandRajasthan, India
    791.6×
  166. 164JalgaonMaharashtra, India
    791.6×
  167. 167JhānsiUttar Pradesh, India
    781.6×
  168. 167JabalpurMadhya Pradesh, India
    781.6×
  169. 167ByasanagarOdisha, India
    781.6×
  170. 170ThrissurKerala, India
    781.6×
  171. 170ChennaiTamil Nadu, India
    781.6×
  172. 172JaipurRajasthan, India
    781.6×
  173. 172Changchunlow-cost sensorsJilin, China
    781.6×
  174. 172San Salvador TizatlalliMéxico, Mexico
    781.6×
  175. 175SirohiRajasthan, India
    781.6×
  176. 175LoniUttar Pradesh, India
    781.6×
  177. 175DamohMadhya Pradesh, India
    781.6×
  178. 175Puerto VarasLos Lagos Region, Chile
    781.6×
  179. 179SaltilloCoahuila, Mexico
    771.6×
  180. 179Ciudad General EscobedoNuevo León, Mexico
    771.6×
  181. 181SilcharAssam, India
    771.5×
  182. 181ChandigarhChandigarh, India
    771.5×
  183. 181BhiwadiRajasthan, India
    771.5×
  184. 184RājgīrBihar, India
    771.5×
  185. 184DādriUttar Pradesh, India
    771.5×
  186. 186JodhpurRajasthan, India
    771.5×
  187. 186San Martin Texmelucan de LabastidaPuebla, Mexico
    771.5×
  188. 188KalaburagiKarnataka, India
    761.5×
  189. 189ThāneMaharashtra, India
    761.5×
  190. 189PatancheruTelangana, India
    761.5×
  191. 191PratāpgarhRajasthan, India
    761.5×
  192. 192JalandharPunjab, India
    761.5×
  193. 192RajākheriMadhya Pradesh, India
    761.5×
  194. 194JaisalmerRajasthan, India
    761.5×
  195. 195GūduvāncheriTamil Nadu, India
    751.5×
  196. 195CandelariaCanary Islands, Spain
    751.5×
  197. 195Mexico CityMexico City, Mexico
    751.5×
  198. 195San Pedro de la PazBiobio, Chile
    751.5×
  199. 199ShrīrāmpurWest Bengal, India
    751.5×
  200. 200BilāspurChhattisgarh, India
    751.5×

Top 200 of 2,546 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, July 18, 2025, smogrank.com/history/2025-07-18 (accessed 2 Oct 2026).

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