SmogRank / History / August 14, 2025

Most polluted cities on August 14, 2025

2,586 cities ranked by their average PM2.5 over the day; the worst was Coyhaique, Chile, at 231.5 µg/m³. Each city's own local calendar day.

← Coyhaique 231.5 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for August 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. 1CoyhaiqueAysén, Chile
    31315.4×
  2. 2KarauliRajasthan, India
    1806.5×
  3. 3NagapattinamTamil Nadu, India
    1786.3×
  4. 4RānipetTamil Nadu, India
    1776.2×
  5. 5LinaresMaule Region, Chile
    1715.6×
  6. 6Puerto MonttLos Lagos Region, Chile
    1705.5×
  7. 7KigaliKigali, Rwanda
    1665.1×
  8. 8PonferradaCastille and León, Spain
    1655.1×
  9. 9JhānsiUttar Pradesh, India
    1655.0×
  10. 10La UniónLos Ríos Region, Chile
    1634.9×
  11. 11Puerto VarasLos Lagos Region, Chile
    1624.8×
  12. 12CuricóMaule Region, Chile
    1614.6×
  13. 13ChillánÑuble, Chile
    1584.4×
  14. 14San CarlosÑuble, Chile
    1564.2×
  15. 15ValdiviaLos Ríos Region, Chile
    1554.1×
  16. 16NacimientoBiobio, Chile
    1554.1×
  17. 17TemucoAraucania, Chile
    1554.1×
  18. 18HualpénBiobio, Chile
    1533.8×
  19. 19CuranilahueBiobio, Chile
    1523.8×
  20. 20LimaLima Province, Peru
    1513.7×
  21. 21Dubailow-cost sensorsDubai, United Arab Emirates
    1513.7×
  22. 22Gujranwalalow-cost sensorsPunjab, Pakistan
    1493.7×
  23. 23Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    1483.6×
  24. 24GummidipundiTamil Nadu, India
    1463.6×
  25. 25DushanbeDushanbe, Tajikistan
    1433.5×
  26. 26Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1393.4×
  27. 27TonkRajasthan, India
    1363.3×
  28. 28Sri GanganagarRajasthan, India
    1353.3×
  29. 29Istanbullow-cost sensorsIstanbul, Turkey
    1343.3×
  30. 30Faisalabadlow-cost sensorsPunjab, Pakistan
    1343.3×
  31. 30SantiagoSantiago Metropolitan, Chile
    1343.3×
  32. 32OsornoLos Lagos Region, Chile
    1343.2×
  33. 33NalbāriAssam, India
    1313.2×
  34. 34CoronelBiobio, Chile
    1313.2×
  35. 35TalaganteSantiago Metropolitan, Chile
    1283.1×
  36. 36RancaguaO'Higgins Region, Chile
    1273.1×
  37. 37ChāndaMaharashtra, India
    1243.0×
  38. 38Lahorelow-cost sensorsPunjab, Pakistan
    1233.0×
  39. 39TalcaMaule Region, Chile
    1233.0×
  40. 40HualquiBiobio, Chile
    1222.9×
  41. 41Rawalpindilow-cost sensorsPunjab, Pakistan
    1202.9×
  42. 41BathindaPunjab, India
    1202.9×
  43. 43AurangābādBihar, India
    1192.9×
  44. 44CuddaloreTamil Nadu, India
    1182.8×
  45. 45PāliRajasthan, India
    1182.8×
  46. 46BānswāraRajasthan, India
    1162.8×
  47. 47San Francisco De BorjaLima region, Peru
    1162.8×
  48. 48Multanlow-cost sensorsPunjab, Pakistan
    1142.7×
  49. 49MandideepMadhya Pradesh, India
    1142.7×
  50. 50VillarricaAraucania, Chile
    1092.6×
  51. 51LoniUttar Pradesh, India
    1092.6×
  52. 51KadapaAndhra Pradesh, India
    1092.6×
  53. 53SaugorMadhya Pradesh, India
    1072.5×
  54. 54Sialkotlow-cost sensorsPunjab, Pakistan
    1072.5×
  55. 55GhāziābādUttar Pradesh, India
    1062.5×
  56. 56VijayawadaAndhra Pradesh, India
    1062.5×
  57. 57BuxarBihar, India
    1052.5×
  58. 58TalcahuanoBiobio, Chile
    1042.5×
  59. 59UdaipurRajasthan, India
    1042.4×
  60. 59TiruchirappalliTamil Nadu, India
    1042.4×
  61. 61GūduvāncheriTamil Nadu, India
    1032.4×
  62. 62Puente AltoSantiago Metropolitan, Chile
    1022.4×
  63. 63TiruppurTamil Nadu, India
    1022.4×
  64. 64BawānaDelhi, India
    1012.4×
  65. 65ManamaManama, Bahrain
    1002.4×
  66. 66ChāpraBihar, India
    992.3×
  67. 66Los ÁngelesBiobio, Chile
    992.3×
  68. 68Islamabadlow-cost sensorsIslamabad, Pakistan
    982.3×
  69. 69NagaonAssam, India
    972.3×
  70. 70RasapūdipalemAndhra Pradesh, India
    972.3×
  71. 71JaipurRajasthan, India
    962.2×
  72. 72AnantapurAndhra Pradesh, India
    962.2×
  73. 73JakartaJakarta, Indonesia
    962.2×
  74. 74Karachilow-cost sensorsSindh, Pakistan
    952.2×
  75. 74PithampurMadhya Pradesh, India
    952.2×
  76. 76GorakhpurUttar Pradesh, India
    952.2×
  77. 77NarelaDelhi, India
    932.1×
  78. 78Pasadenalow-cost sensorsCalifornia, United States
    932.1×
  79. 79SamāstipurBihar, India
    932.1×
  80. 79GobindgarhPunjab, India
    932.1×
  81. 81Quettalow-cost sensorsBalochistan, Pakistan
    922.1×
  82. 81CallaoCallao, Peru
    922.1×
  83. 83Campbell RiverBritish Columbia, Canada
    922.1×
  84. 84WindsorOntario, Canada
    922.1×
  85. 85TorontoOntario, Canada
    912.1×
  86. 86AlangadKerala, India
    912.0×
  87. 87QuthbullapurTelangana, India
    902.0×
  88. 88MuzaffarnagarUttar Pradesh, India
    902.0×
  89. 88TaupoWaikato Region, New Zealand
    902.0×
  90. 88VigevanoLombardy, Italy
    902.0×
  91. 91KishanganjBihar, India
    902.0×
  92. 92ChiguayanteBiobio, Chile
    902.0×
  93. 93MiltonOntario, Canada
    892.0×
  94. 94Quezon Citylow-cost sensorsNational Capital Region, Philippines
    892.0×
  95. 95MalegaonMaharashtra, India
    892.0×
  96. 95CauquenesMaule Region, Chile
    892.0×
  97. 97SuperiorWisconsin, United States
    892.0×
  98. 98CholulaPuebla, Mexico
    881.9×
  99. 99BaripādaOdisha, India
    881.9×
  100. 99KrefeldNorth Rhine-Westphalia, Germany
    881.9×
  101. 101AmritsarPunjab, India
    881.9×
  102. 101QuilpuéValparaiso, Chile
    881.9×
  103. 103Santa Anita - Los FicusLima region, Peru
    881.9×
  104. 104LudhianaPunjab, India
    881.9×
  105. 105Puerto AysénAysén, Chile
    871.9×
  106. 105BramptonOntario, Canada
    871.9×
  107. 107Green BayWisconsin, United States
    871.9×
  108. 108ConcepciónBiobio, Chile
    871.9×
  109. 109ComoLombardy, Italy
    871.9×
  110. 109ConcónValparaiso, Chile
    871.9×
  111. 111VenloLimburg, The Netherlands
    861.9×
  112. 111OakvilleOntario, Canada
    861.9×
  113. 113KladnoCentral Bohemia, Czechia
    861.9×
  114. 114EssenNorth Rhine-Westphalia, Germany
    851.8×
  115. 115GelsenkirchenNorth Rhine-Westphalia, Germany
    851.8×
  116. 116ChennaiTamil Nadu, India
    851.8×
  117. 116GandhinagarGujarat, India
    851.8×
  118. 118PratāpgarhRajasthan, India
    851.8×
  119. 119ArāriaBihar, India
    851.8×
  120. 119TilburgNorth Brabant, The Netherlands
    851.8×
  121. 121MuzaffarpurBihar, India
    841.8×
  122. 121AjmerRajasthan, India
    841.8×
  123. 121BhiwadiRajasthan, India
    841.8×
  124. 124DüsseldorfNorth Rhine-Westphalia, Germany
    841.8×
  125. 125HamiltonOntario, Canada
    841.8×
  126. 126SpeyerRheinland-Pfalz, Germany
    841.8×
  127. 126ToméBiobio, Chile
    841.8×
  128. 128BegusaraiBihar, India
    831.8×
  129. 128BellinzonaTicino, Switzerland
    831.8×
  130. 130NeuwiedRheinland-Pfalz, Germany
    831.8×
  131. 130Falconara MarittimaThe Marches, Italy
    831.8×
  132. 132OberhausenNorth Rhine-Westphalia, Germany
    831.8×
  133. 132OurenseGalicia, Spain
    831.8×
  134. 134Viña del MarValparaiso, Chile
    831.7×
  135. 134San Pedro de la PazBiobio, Chile
    831.7×
  136. 136Vila RealVila Real, Portugal
    831.7×
  137. 136DortmundNorth Rhine-Westphalia, Germany
    831.7×
  138. 138Santa LucíaCanary Islands, Spain
    821.7×
  139. 139Addis AbabaAddis Ababa, Ethiopia
    821.7×
  140. 139Aya NagarDelhi, India
    821.7×
  141. 141KannurKerala, India
    821.7×
  142. 142SangāreddiTelangana, India
    821.7×
  143. 142RatlāmMadhya Pradesh, India
    821.7×
  144. 142ChittorgarhRajasthan, India
    821.7×
  145. 145DelhiDelhi, India
    821.7×
  146. 145Ludwigshafen am RheinRheinland-Pfalz, Germany
    821.7×
  147. 145HavířovMoravian-Silesian Region, Czechia
    821.7×
  148. 145NovaraPiedmont, Italy
    821.7×
  149. 145LondonOntario, Canada
    821.7×
  150. 150GuelphOntario, Canada
    811.7×
  151. 151MorādābādUttar Pradesh, India
    811.7×
  152. 151KitchenerOntario, Canada
    811.7×
  153. 151MississaugaOntario, Canada
    811.7×
  154. 151NewmarketOntario, Canada
    811.7×
  155. 155Grand RapidsMichigan, United States
    811.7×
  156. 156Bahawalpurlow-cost sensorsPunjab, Pakistan
    811.7×
  157. 157HyderabadTelangana, India
    811.7×
  158. 157DuisburgNorth Rhine-Westphalia, Germany
    811.7×
  159. 157LeónCastille and León, Spain
    811.7×
  160. 157St. CatharinesOntario, Canada
    811.7×
  161. 161WeselNorth Rhine-Westphalia, Germany
    801.7×
  162. 161NurembergBavaria, Germany
    801.7×
  163. 163QuillotaValparaiso, Chile
    801.7×
  164. 164BhopalMadhya Pradesh, India
    801.6×
  165. 165Changchunlow-cost sensorsJilin, China
    801.6×
  166. 165VenrayLimburg, The Netherlands
    801.6×
  167. 165QuinteroValparaiso, Chile
    801.6×
  168. 165WaterdownOntario, Canada
    801.6×
  169. 169AricaArica y Parinacota Region, Chile
    801.6×
  170. 169SarniaOntario, Canada
    801.6×
  171. 171JalandharPunjab, India
    801.6×
  172. 171JüchenNorth Rhine-Westphalia, Germany
    801.6×
  173. 173BerounCentral Bohemia, Czechia
    791.6×
  174. 174ThrissurKerala, India
    791.6×
  175. 174BadhoevedorpNorth Holland, The Netherlands
    791.6×
  176. 174PaviaLombardy, Italy
    791.6×
  177. 174SarajevoFederation of B&H, Bosnia and Herzegovina
    791.6×
  178. 174DetroitMichigan, United States
    791.6×
  179. 174BrantfordOntario, Canada
    791.6×
  180. 174ChathamOntario, Canada
    791.6×
  181. 181JodhpurRajasthan, India
    791.6×
  182. 181AhmedabadGujarat, India
    791.6×
  183. 181Říčanylow-cost sensorsCentral Bohemia, Czechia
    791.6×
  184. 184DattelnNorth Rhine-Westphalia, Germany
    791.6×
  185. 184NoidaUttar Pradesh, India
    791.6×
  186. 186AntofagastaAntofagasta, Chile
    781.6×
  187. 187KatiharBihar, India
    781.6×
  188. 187BendorfRheinland-Pfalz, Germany
    781.6×
  189. 187PaysonArizona, United States
    781.6×
  190. 190TirupatiAndhra Pradesh, India
    781.6×
  191. 190MönchengladbachNorth Rhine-Westphalia, Germany
    781.6×
  192. 190KölnNorth Rhine-Westphalia, Germany
    781.6×
  193. 190BottropNorth Rhine-Westphalia, Germany
    781.6×
  194. 194MangaluruKarnataka, India
    781.6×
  195. 194Colorado SpringsColorado, United States
    781.6×
  196. 196JumillaMurcia, Spain
    781.6×
  197. 196PraguePrague, Czechia
    781.6×
  198. 196NaplesCampania, Italy
    781.6×
  199. 199Port HuronMichigan, United States
    771.6×
  200. 200DuluthMinnesota, United States
    771.5×

Top 200 of 2,586 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, August 14, 2025, smogrank.com/history/2025-08-14 (accessed 2 Oct 2026).

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