SmogRank / History / July 24, 2025

Most polluted cities on July 24, 2025

2,536 cities ranked by their average PM2.5 over the day; the worst was Coyhaique, Chile, at 155.5 µg/m³. Each city's own local calendar day.

Bad-air episodes during July 24, 2025. All episodes.

← Coyhaique 155.5 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for July 24, 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
    23110.4×
  2. 2GobindgarhPunjab, India
    2008.3×
  3. 3San CarlosÑuble, Chile
    1937.7×
  4. 4VillarricaAraucania, Chile
    1816.5×
  5. 5ValdiviaLos Ríos Region, Chile
    1786.3×
  6. 6CuricóMaule Region, Chile
    1756.0×
  7. 7TiruppurTamil Nadu, India
    1745.9×
  8. 8LinaresMaule Region, Chile
    1715.6×
  9. 9ChillánÑuble, Chile
    1675.3×
  10. 10SingrauliMadhya Pradesh, India
    1655.1×
  11. 11Dubailow-cost sensorsDubai, United Arab Emirates
    1644.9×
  12. 12KigaliKigali, Rwanda
    1634.9×
  13. 13UnderaGujarat, India
    1634.8×
  14. 14DhaulpurRajasthan, India
    1624.7×
  15. 15OsornoLos Lagos Region, Chile
    1614.6×
  16. 16Los ÁngelesBiobio, Chile
    1604.6×
  17. 17NacimientoBiobio, Chile
    1594.5×
  18. 18TemucoAraucania, Chile
    1594.5×
  19. 19TalcaMaule Region, Chile
    1574.3×
  20. 20Faisalabadlow-cost sensorsPunjab, Pakistan
    1574.2×
  21. 21SamāstipurBihar, India
    1574.2×
  22. 22RancaguaO'Higgins Region, Chile
    1554.1×
  23. 23BhelaiChhattisgarh, India
    1554.0×
  24. 24SasarāmBihar, India
    1544.0×
  25. 25SaharsaBihar, India
    1533.9×
  26. 26HualquiBiobio, Chile
    1523.8×
  27. 27Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1513.7×
  28. 28DuluthMinnesota, United States
    1483.6×
  29. 29JakartaJakarta, Indonesia
    1463.6×
  30. 30MuzaffarnagarUttar Pradesh, India
    1453.6×
  31. 31Gujranwalalow-cost sensorsPunjab, Pakistan
    1423.5×
  32. 32Lahorelow-cost sensorsPunjab, Pakistan
    1403.4×
  33. 33CuddaloreTamil Nadu, India
    1403.4×
  34. 34Puente AltoSantiago Metropolitan, Chile
    1393.4×
  35. 35Greater NoidaUttar Pradesh, India
    1383.4×
  36. 36La UniónLos Ríos Region, Chile
    1383.4×
  37. 37KotaRajasthan, India
    1273.1×
  38. 37HājīpurBihar, India
    1273.1×
  39. 39HualpénBiobio, Chile
    1273.1×
  40. 40CauquenesMaule Region, Chile
    1263.1×
  41. 41SantiagoSantiago Metropolitan, Chile
    1243.0×
  42. 42PāliRajasthan, India
    1233.0×
  43. 43CoronelBiobio, Chile
    1222.9×
  44. 44GhāziābādUttar Pradesh, India
    1172.8×
  45. 45DurgapurWest Bengal, India
    1172.8×
  46. 46TalaganteSantiago Metropolitan, Chile
    1172.8×
  47. 47SangāreddiTelangana, India
    1152.7×
  48. 48CuranilahueBiobio, Chile
    1152.7×
  49. 49BārānRajasthan, India
    1142.7×
  50. 50GorakhpurUttar Pradesh, India
    1142.7×
  51. 51GayaBihar, India
    1122.7×
  52. 52MuzaffarpurBihar, India
    1122.7×
  53. 53TimaruCanterbury, New Zealand
    1122.7×
  54. 54ByasanagarOdisha, India
    1102.6×
  55. 55LoniUttar Pradesh, India
    1102.6×
  56. 56ĀsansolWest Bengal, India
    1092.6×
  57. 57BulandshahrUttar Pradesh, India
    1082.6×
  58. 58QuillotaValparaiso, Chile
    1072.5×
  59. 59West FargoNorth Dakota, United States
    1072.5×
  60. 60ManamaManama, Bahrain
    1062.5×
  61. 61DādriUttar Pradesh, India
    1052.5×
  62. 62MorādābādUttar Pradesh, India
    1042.5×
  63. 63NarelaDelhi, India
    1032.4×
  64. 63RangioraCanterbury, New Zealand
    1032.4×
  65. 65VijayawadaAndhra Pradesh, India
    1022.4×
  66. 66RājgīrBihar, India
    1012.4×
  67. 66PatnaBihar, India
    1012.4×
  68. 68TambaramTamil Nadu, India
    1002.3×
  69. 69RānīganjWest Bengal, India
    992.3×
  70. 70ChittoorAndhra Pradesh, India
    982.3×
  71. 71AnantapurAndhra Pradesh, India
    982.3×
  72. 72OotyTamil Nadu, India
    982.3×
  73. 73TonkRajasthan, India
    972.3×
  74. 74Sialkotlow-cost sensorsPunjab, Pakistan
    972.3×
  75. 75Puerto MonttLos Lagos Region, Chile
    962.2×
  76. 76KalyānMaharashtra, India
    962.2×
  77. 77JaipurRajasthan, India
    962.2×
  78. 77HāpurUttar Pradesh, India
    962.2×
  79. 77TuxtlaChiapas, Mexico
    962.2×
  80. 80Santa Anita - Los FicusLima region, Peru
    952.2×
  81. 81BawānaDelhi, India
    952.2×
  82. 81TaupoWaikato Region, New Zealand
    952.2×
  83. 83NoidaUttar Pradesh, India
    942.2×
  84. 84ReginaSaskatchewan, Canada
    942.2×
  85. 84ChangnyeongGyeongsangnam-do, South Korea
    942.2×
  86. 86BaddiHimachal Pradesh, India
    942.1×
  87. 87DausaRajasthan, India
    932.1×
  88. 87KadapaAndhra Pradesh, India
    932.1×
  89. 89DelhiDelhi, India
    932.1×
  90. 90QuilpuéValparaiso, Chile
    932.1×
  91. 91Saint CloudMinnesota, United States
    922.1×
  92. 91PithampurMadhya Pradesh, India
    922.1×
  93. 93Addis AbabaAddis Ababa, Ethiopia
    922.1×
  94. 93Puerto AysénAysén, Chile
    922.1×
  95. 95JodaOdisha, India
    912.0×
  96. 96VaranasiUttar Pradesh, India
    912.0×
  97. 96HwawŏnDaegu, South Korea
    912.0×
  98. 98VapiGujarat, India
    912.0×
  99. 99Wadgaon KolhatiMaharashtra, India
    902.0×
  100. 100PurniaBihar, India
    902.0×
  101. 100NalbāriAssam, India
    902.0×
  102. 102UdaipurRajasthan, India
    902.0×
  103. 103ThāneMaharashtra, India
    892.0×
  104. 103AshburtonCanterbury, New Zealand
    892.0×
  105. 103BhiwadiRajasthan, India
    892.0×
  106. 106ChāpraBihar, India
    892.0×
  107. 107MalegaonMaharashtra, India
    881.9×
  108. 108Puerto VarasLos Lagos Region, Chile
    881.9×
  109. 109BrookingsSouth Dakota, United States
    881.9×
  110. 110AjmerRajasthan, India
    871.9×
  111. 111Wan ChaiWan Chai, Hong Kong
    871.9×
  112. 112BadlapurMaharashtra, India
    871.9×
  113. 113HyderabadTelangana, India
    861.9×
  114. 114DaeguDaegu, South Korea
    861.9×
  115. 114HayangGyeongsangbuk-do, South Korea
    861.9×
  116. 114Temalow-cost sensorsGreater Accra, Ghana
    861.9×
  117. 114San Francisco De BorjaLima region, Peru
    861.9×
  118. 118Istanbullow-cost sensorsIstanbul, Turkey
    861.8×
  119. 118Rawalpindilow-cost sensorsPunjab, Pakistan
    861.8×
  120. 120BhiwandiMaharashtra, India
    851.8×
  121. 120QuinteroValparaiso, Chile
    851.8×
  122. 122NajafgarhDelhi, India
    851.8×
  123. 122KwangyangJeollanam-do, South Korea
    851.8×
  124. 122GwangyangJeollanam-do, South Korea
    851.8×
  125. 125ChandigarhChandigarh, India
    851.8×
  126. 126Gyeongsan-siGyeongsangbuk-do, South Korea
    841.8×
  127. 126HadongGyeongsangnam-do, South Korea
    841.8×
  128. 128BoseongJeollanam-do, South Korea
    841.8×
  129. 129SibsāgarAssam, India
    841.8×
  130. 129SiliguriWest Bengal, India
    841.8×
  131. 129MahādMaharashtra, India
    841.8×
  132. 129JangheungJeollanam-do, South Korea
    841.8×
  133. 129ChiguayanteBiobio, Chile
    841.8×
  134. 129AlangadKerala, India
    841.8×
  135. 135Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    831.8×
  136. 135LudhianaPunjab, India
    831.8×
  137. 135SuncheonJeollanam-do, South Korea
    831.8×
  138. 135Aya NagarDelhi, India
    831.8×
  139. 139KanpurUttar Pradesh, India
    831.8×
  140. 140MeerutUttar Pradesh, India
    831.7×
  141. 140KannurKerala, India
    831.7×
  142. 140CallaoCallao, Peru
    831.7×
  143. 140San Pedro de la PazBiobio, Chile
    831.7×
  144. 144EisenGyeongsangbuk-do, South Korea
    821.7×
  145. 145TirupatiAndhra Pradesh, India
    821.7×
  146. 145RasapūdipalemAndhra Pradesh, India
    821.7×
  147. 145NāgaurRajasthan, India
    821.7×
  148. 145MiryangGyeongsangnam-do, South Korea
    821.7×
  149. 149GuwahatiAssam, India
    821.7×
  150. 149Dunedinlow-cost sensorsOtago, New Zealand
    821.7×
  151. 151YeosuJeollanam-do, South Korea
    821.7×
  152. 152Dera Colliery TownshipOdisha, India
    811.7×
  153. 153LucknowUttar Pradesh, India
    801.7×
  154. 153BoisarMaharashtra, India
    801.7×
  155. 153ConcónValparaiso, Chile
    801.7×
  156. 156NangenJeollabuk-do, South Korea
    801.6×
  157. 156WexfordLeinster, Ireland
    801.6×
  158. 156MohaliPunjab, India
    801.6×
  159. 159JalandharPunjab, India
    801.6×
  160. 159Grand JunctionColorado, United States
    801.6×
  161. 161BegusaraiBihar, India
    791.6×
  162. 162ThrissurKerala, India
    791.6×
  163. 162SilcharAssam, India
    791.6×
  164. 162DūngarpurRajasthan, India
    791.6×
  165. 162Chinch'ŏnNorth Chungcheong, South Korea
    791.6×
  166. 162TocopillaAntofagasta, Chile
    791.6×
  167. 167WaterfordMunster, Ireland
    791.6×
  168. 167LimaLima Province, Peru
    791.6×
  169. 169SpekeEngland, United Kingdom
    791.6×
  170. 170SāngliMaharashtra, India
    781.6×
  171. 171CopiapóAtacama, Chile
    781.6×
  172. 171AricaArica y Parinacota Region, Chile
    781.6×
  173. 173La SerenaCoquimbo Region, Chile
    781.6×
  174. 174MangaluruKarnataka, India
    771.6×
  175. 174San Francisco TlalcilalcalpanMéxico, Mexico
    771.6×
  176. 174JeongeupJeollabuk-do, South Korea
    771.6×
  177. 177Karachilow-cost sensorsSindh, Pakistan
    771.5×
  178. 178ConcepciónBiobio, Chile
    771.5×
  179. 179DewasMadhya Pradesh, India
    771.5×
  180. 179Iloilolow-cost sensorsWestern Visayas, Philippines
    771.5×
  181. 179HwasunJeollanam-do, South Korea
    771.5×
  182. 179Accralow-cost sensorsGreater Accra, Ghana
    771.5×
  183. 183GumiGyeongsangbuk-do, South Korea
    771.5×
  184. 183TalcahuanoBiobio, Chile
    771.5×
  185. 185XonacatlánMéxico, Mexico
    761.5×
  186. 186AmritsarPunjab, India
    761.5×
  187. 186BeolgyoJeollanam-do, South Korea
    761.5×
  188. 186CoquimboCoquimbo Region, Chile
    761.5×
  189. 189ChinjuGyeongsangnam-do, South Korea
    761.5×
  190. 190HassanKarnataka, India
    761.5×
  191. 191MasanGwangju, South Korea
    751.5×
  192. 191WatertownSouth Dakota, United States
    751.5×
  193. 193VijayapuraKarnataka, India
    751.5×
  194. 193KimjeJeollabuk-do, South Korea
    751.5×
  195. 195SrinagarJammu and Kashmir, India
    751.5×
  196. 195KhannaPunjab, India
    751.5×
  197. 195WaegwanGyeongsangbuk-do, South Korea
    751.5×
  198. 195ŌtsukiYamanashi, Japan
    751.5×
  199. 195Dún LaoghaireLeinster, Ireland
    751.5×
  200. 200Quettalow-cost sensorsBalochistan, Pakistan
    751.5×

Top 200 of 2,536 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 24, 2025, smogrank.com/history/2025-07-24 (accessed 2 Oct 2026).

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