SmogRank / History / July 29, 2025

Most polluted cities on July 29, 2025

2,497 cities ranked by their average PM2.5 over the day; the worst was Coyhaique, Chile, at 184.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during July 29, 2025. All episodes.

← Coyhaique 184.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for July 29, 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
    25912.3×
  2. 2Sri GanganagarRajasthan, India
    1806.4×
  3. 3KigaliKigali, Rwanda
    1675.2×
  4. 4OtwockMazovia, Poland
    1675.2×
  5. 5VillarricaAraucania, Chile
    1645.0×
  6. 6HualpénBiobio, Chile
    1624.8×
  7. 7LinaresMaule Region, Chile
    1614.6×
  8. 8TalaganteSantiago Metropolitan, Chile
    1564.2×
  9. 9CauquenesMaule Region, Chile
    1554.1×
  10. 10NacimientoBiobio, Chile
    1544.0×
  11. 11RengoO'Higgins Region, Chile
    1533.9×
  12. 12TalcaMaule Region, Chile
    1523.8×
  13. 13SantiagoSantiago Metropolitan, Chile
    1513.7×
  14. 14Lahorelow-cost sensorsPunjab, Pakistan
    1513.7×
  15. 15Gujranwalalow-cost sensorsPunjab, Pakistan
    1483.6×
  16. 16RamanathapuramTamil Nadu, India
    1453.6×
  17. 17ChillánÑuble, Chile
    1443.5×
  18. 18ManamaManama, Bahrain
    1383.4×
  19. 19Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1373.3×
  20. 20Los ÁngelesBiobio, Chile
    1353.3×
  21. 21San CarlosÑuble, Chile
    1313.2×
  22. 22Puente AltoSantiago Metropolitan, Chile
    1313.2×
  23. 23Rouyn-NorandaQuebec, Canada
    1303.2×
  24. 24SasarāmBihar, India
    1263.0×
  25. 25CuricóMaule Region, Chile
    1233.0×
  26. 26ArāriaBihar, India
    1222.9×
  27. 27CoronelBiobio, Chile
    1212.9×
  28. 28RancaguaO'Higgins Region, Chile
    1212.9×
  29. 29Rawalpindilow-cost sensorsPunjab, Pakistan
    1212.9×
  30. 30DhaulpurRajasthan, India
    1192.9×
  31. 31MarquetteMichigan, United States
    1192.8×
  32. 32Dubailow-cost sensorsDubai, United Arab Emirates
    1172.8×
  33. 33PāliRajasthan, India
    1162.8×
  34. 34DushanbeDushanbe, Tajikistan
    1152.7×
  35. 34SuperiorWisconsin, United States
    1152.7×
  36. 36VijayawadaAndhra Pradesh, India
    1132.7×
  37. 37Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    1122.7×
  38. 38Sialkotlow-cost sensorsPunjab, Pakistan
    1112.6×
  39. 38Islamabadlow-cost sensorsIslamabad, Pakistan
    1112.6×
  40. 40BhiwadiRajasthan, India
    1082.5×
  41. 41LoniUttar Pradesh, India
    1072.5×
  42. 42TonkRajasthan, India
    1062.5×
  43. 43AnantapurAndhra Pradesh, India
    1052.5×
  44. 44JaipurRajasthan, India
    1042.4×
  45. 45San Pedro de la PazBiobio, Chile
    1032.4×
  46. 46SangāreddiTelangana, India
    1022.4×
  47. 47HualquiBiobio, Chile
    1022.4×
  48. 48PithampurMadhya Pradesh, India
    1022.4×
  49. 49Faisalabadlow-cost sensorsPunjab, Pakistan
    1002.4×
  50. 50CuranilahueBiobio, Chile
    972.3×
  51. 51ChittoorAndhra Pradesh, India
    972.3×
  52. 52ChittorgarhRajasthan, India
    962.2×
  53. 53JakartaJakarta, Indonesia
    952.2×
  54. 54NagaonAssam, India
    952.2×
  55. 54NajafgarhDelhi, India
    952.2×
  56. 56QuilpuéValparaiso, Chile
    952.2×
  57. 56DuluthMinnesota, United States
    952.2×
  58. 58CallaoCallao, Peru
    952.2×
  59. 59SingrauliMadhya Pradesh, India
    942.1×
  60. 60BhelaiChhattisgarh, India
    942.1×
  61. 61QuthbullapurTelangana, India
    932.1×
  62. 62KannurKerala, India
    932.1×
  63. 63KadapaAndhra Pradesh, India
    932.1×
  64. 64Istanbullow-cost sensorsIstanbul, Turkey
    922.1×
  65. 65LudhianaPunjab, India
    922.1×
  66. 66Quezon Citylow-cost sensorsNational Capital Region, Philippines
    922.1×
  67. 66VapiGujarat, India
    922.1×
  68. 66San Francisco De BorjaLima region, Peru
    922.1×
  69. 69Icheon-siGyeonggi-do, South Korea
    912.0×
  70. 69TalcahuanoBiobio, Chile
    912.0×
  71. 71NalbāriAssam, India
    902.0×
  72. 72Multanlow-cost sensorsPunjab, Pakistan
    902.0×
  73. 72Santa Anita - Los FicusLima region, Peru
    902.0×
  74. 74GwaliorMadhya Pradesh, India
    902.0×
  75. 75BawānaDelhi, India
    902.0×
  76. 75Wadgaon KolhatiMaharashtra, India
    902.0×
  77. 77Temalow-cost sensorsGreater Accra, Ghana
    892.0×
  78. 78NāgaurRajasthan, India
    892.0×
  79. 79ConcónValparaiso, Chile
    892.0×
  80. 80Gimpo-siGyeonggi-do, South Korea
    881.9×
  81. 81DausaRajasthan, India
    881.9×
  82. 81Dera Colliery TownshipOdisha, India
    881.9×
  83. 83AlangadKerala, India
    881.9×
  84. 84TangjinChungcheongnam-do, South Korea
    881.9×
  85. 84TimaruCanterbury, New Zealand
    881.9×
  86. 84OsornoLos Lagos Region, Chile
    881.9×
  87. 87SaharsaBihar, India
    871.9×
  88. 87ChūruRajasthan, India
    871.9×
  89. 87ConcepciónBiobio, Chile
    871.9×
  90. 90BadlapurMaharashtra, India
    861.9×
  91. 90AjmerRajasthan, India
    861.9×
  92. 92UdaipurRajasthan, India
    861.9×
  93. 92RasapūdipalemAndhra Pradesh, India
    861.9×
  94. 92MahādMaharashtra, India
    861.9×
  95. 95GjøvikInnlandet, Norway
    861.9×
  96. 96VelloreTamil Nadu, India
    861.8×
  97. 96RourkelaOdisha, India
    861.8×
  98. 96AhmedabadGujarat, India
    861.8×
  99. 99GhāziābādUttar Pradesh, India
    851.8×
  100. 99Ganghwa-gunIncheon, South Korea
    851.8×
  101. 101ChiguayanteBiobio, Chile
    851.8×
  102. 102ReginaSaskatchewan, Canada
    851.8×
  103. 103QuillotaValparaiso, Chile
    851.8×
  104. 104YamanashiYamanashi, Japan
    841.8×
  105. 105Karachilow-cost sensorsSindh, Pakistan
    841.8×
  106. 106SrinagarJammu and Kashmir, India
    841.8×
  107. 106IncheonIncheon, South Korea
    841.8×
  108. 108BānswāraRajasthan, India
    841.8×
  109. 108YesanChungcheongnam-do, South Korea
    841.8×
  110. 108SeoulSeoul, South Korea
    841.8×
  111. 108PyeongtaekGyeonggi-do, South Korea
    841.8×
  112. 108NandriRajasthan, India
    841.8×
  113. 113NarelaDelhi, India
    841.8×
  114. 113OsanGyeonggi-do, South Korea
    841.8×
  115. 115AricaArica y Parinacota Region, Chile
    831.8×
  116. 116GwangmyeongGyeonggi-do, South Korea
    831.8×
  117. 117HyderabadTelangana, India
    821.7×
  118. 117BhiwandiMaharashtra, India
    821.7×
  119. 117Puerto AysénAysén, Chile
    821.7×
  120. 120TiruchirappalliTamil Nadu, India
    821.7×
  121. 120DūngarpurRajasthan, India
    821.7×
  122. 122DurgapurWest Bengal, India
    821.7×
  123. 122DelhiDelhi, India
    821.7×
  124. 124QuinteroValparaiso, Chile
    811.7×
  125. 125SamāstipurBihar, India
    811.7×
  126. 125UliyazhathuraKerala, India
    811.7×
  127. 127KotaRajasthan, India
    801.7×
  128. 127Bucheon-siGyeonggi-do, South Korea
    801.7×
  129. 127AsanChungcheongnam-do, South Korea
    801.7×
  130. 127Hwaseong-siGyeonggi-do, South Korea
    801.7×
  131. 131GwangjuGyeonggi-do, South Korea
    801.6×
  132. 132ThrissurKerala, India
    801.6×
  133. 133MuzaffarpurBihar, India
    791.6×
  134. 133GayaBihar, India
    791.6×
  135. 133HanamGyeonggi-do, South Korea
    791.6×
  136. 136Ansan-siGyeonggi-do, South Korea
    791.6×
  137. 137BaddiHimachal Pradesh, India
    791.6×
  138. 138KolkataWest Bengal, India
    781.6×
  139. 138HongseongChungcheongnam-do, South Korea
    781.6×
  140. 138Nepeanlow-cost sensorsOntario, Canada
    781.6×
  141. 141RājsamandRajasthan, India
    781.6×
  142. 142KalyānMaharashtra, India
    781.6×
  143. 142JhunjhunūnRajasthan, India
    781.6×
  144. 142Medina Estateslow-cost sensorsGreater Accra, Ghana
    781.6×
  145. 145JhānsiUttar Pradesh, India
    781.6×
  146. 145GandhinagarGujarat, India
    781.6×
  147. 145MandideepMadhya Pradesh, India
    781.6×
  148. 148YeojuGyeonggi-do, South Korea
    771.6×
  149. 148Accralow-cost sensorsGreater Accra, Ghana
    771.6×
  150. 150SaugorMadhya Pradesh, India
    771.5×
  151. 150JalorRajasthan, India
    771.5×
  152. 150SuwonGyeonggi-do, South Korea
    771.5×
  153. 150Lexingtonlow-cost sensorsMassachusetts, United States
    771.5×
  154. 154MuzaffarnagarUttar Pradesh, India
    771.5×
  155. 154Iloilolow-cost sensorsWestern Visayas, Philippines
    771.5×
  156. 156ShrīrāmpurWest Bengal, India
    771.5×
  157. 156PatnaBihar, India
    771.5×
  158. 156Seongnam-siGyeonggi-do, South Korea
    771.5×
  159. 159KhannaPunjab, India
    771.5×
  160. 159Viña del MarValparaiso, Chile
    771.5×
  161. 161Goyang-siGyeonggi-do, South Korea
    771.5×
  162. 162Taesal-liChungcheongnam-do, South Korea
    761.5×
  163. 162Anyang-siGyeonggi-do, South Korea
    761.5×
  164. 162La SerenaCoquimbo Region, Chile
    761.5×
  165. 162CopiapóAtacama, Chile
    761.5×
  166. 166Sawai MadhopurRajasthan, India
    761.5×
  167. 166PratāpgarhRajasthan, India
    761.5×
  168. 166MalegaonMaharashtra, India
    761.5×
  169. 169AriyalūrTamil Nadu, India
    761.5×
  170. 169SeonghwanChungcheongnam-do, South Korea
    761.5×
  171. 169Guri-siGyeonggi-do, South Korea
    761.5×
  172. 169NoidaUttar Pradesh, India
    761.5×
  173. 173ĀsansolWest Bengal, India
    761.5×
  174. 174VijayapuraKarnataka, India
    751.5×
  175. 174Changchunlow-cost sensorsJilin, China
    751.5×
  176. 174NeelankaraiTamil Nadu, India
    751.5×
  177. 177WŏnjuGangwon-do, South Korea
    751.5×
  178. 178JaisalmerRajasthan, India
    751.5×
  179. 178BoryeongChungcheongnam-do, South Korea
    751.5×
  180. 180Yerevanlow-cost sensorsYerevan, Armenia
    741.4×
  181. 180CheonanChungcheongnam-do, South Korea
    741.4×
  182. 182HājīpurBihar, India
    741.4×
  183. 182DhuleMaharashtra, India
    741.4×
  184. 182IksanJeollabuk-do, South Korea
    741.4×
  185. 185KofuYamanashi, Japan
    741.4×
  186. 186ThāneMaharashtra, India
    741.4×
  187. 186PubalGyeonggi-do, South Korea
    741.4×
  188. 188JalandharPunjab, India
    731.4×
  189. 188GunsanJeollabuk-do, South Korea
    731.4×
  190. 190AlwarRajasthan, India
    731.4×
  191. 190OurenseGalicia, Spain
    731.4×
  192. 190CoquimboCoquimbo Region, Chile
    731.4×
  193. 193KalaburagiKarnataka, India
    731.4×
  194. 194Quettalow-cost sensorsBalochistan, Pakistan
    721.4×
  195. 195SeosanChungcheongnam-do, South Korea
    721.4×
  196. 195BuyeoChungcheongnam-do, South Korea
    721.4×
  197. 195San Francisco TlalcilalcalpanMéxico, Mexico
    721.4×
  198. 198SejongSejong-si, South Korea
    721.4×
  199. 199DewasMadhya Pradesh, India
    721.4×
  200. 199BārmerRajasthan, India
    721.4×

Top 200 of 2,497 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 29, 2025, smogrank.com/history/2025-07-29 (accessed 2 Oct 2026).

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