SmogRank / History / January 29, 2025

Most polluted cities on January 29, 2025

2,204 cities ranked by their average PM2.5 over the day; the worst was Dhaka, Bangladesh, at 342.0 µg/m³. Each city's own local calendar day.

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

← Dhaka 342.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for January 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. 1Dhakalow-cost sensorsDhaka Division, Bangladesh
    500+22.8×
  2. 2DelhiDelhi, India
    31215.4×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    29414.6×
  4. 4Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    2058.7×
  5. 5Kampalalow-cost sensorsCentral Region, Uganda
    2018.4×
  6. 5KolkataWest Bengal, India
    2018.4×
  7. 7Islamabadlow-cost sensorsIslamabad, Pakistan
    1856.9×
  8. 8Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    1786.2×
  9. 9HanoiHanoi, Vietnam
    1776.1×
  10. 10ChennaiTamil Nadu, India
    1705.5×
  11. 11HyderabadTelangana, India
    1675.2×
  12. 12Kathmandulow-cost sensorsBagmati Province, Nepal
    1675.2×
  13. 13Yerevanlow-cost sensorsYerevan, Armenia
    1665.1×
  14. 14KigaliKigali, Rwanda
    1655.0×
  15. 15MumbaiMaharashtra, India
    1634.9×
  16. 16BeijingBeijing, China
    1634.8×
  17. 17ShanghaiShanghai, China
    1604.5×
  18. 18ColomboWestern Province, Sri Lanka
    1584.4×
  19. 19Ulan BatorUlaanbaatar, Mongolia
    1574.2×
  20. 20SmederevoCentral Serbia, Serbia
    1564.2×
  21. 21DushanbeDushanbe, Tajikistan
    1554.1×
  22. 22N'DjamenaN’Djaména, Chad
    1523.8×
  23. 23CairoCairo, Egypt
    1523.8×
  24. 24Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1513.7×
  25. 25ShenyangLiaoning, China
    1503.7×
  26. 26DejCluj County, Romania
    1453.6×
  27. 27YangonYangon, Myanmar
    1403.4×
  28. 28Abujalow-cost sensorsFCT, Nigeria
    1383.4×
  29. 29KraljevoCentral Serbia, Serbia
    1373.4×
  30. 30BucharestBucharest, Romania
    1313.2×
  31. 30JinchengFukien, Taiwan
    1313.2×
  32. 32Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1303.1×
  33. 33Almatylow-cost sensorsAlmaty, Kazakhstan
    1243.0×
  34. 35CodleaBrașov County, Romania
    1162.8×
  35. 36SalorTashkent Region, Uzbekistan
    1162.8×
  36. 37ThessaloníkiCentral Macedonia, Greece
    1152.7×
  37. 38Cluj-NapocaCluj County, Romania
    1152.7×
  38. 39San Luis de la PazGuanajuato, Mexico
    1132.7×
  39. 40RuseRuse, Bulgaria
    1112.6×
  40. 41Nong KhaemBangkok, Thailand
    1102.6×
  41. 42Khlong Sam WaBangkok, Thailand
    1092.6×
  42. 43WoodburnOregon, United States
    1072.5×
  43. 44DhahranEastern Province, Saudi Arabia
    1062.5×
  44. 44Lat KrabangBangkok, Thailand
    1062.5×
  45. 46Banja LukaSrpska, Bosnia and Herzegovina
    1052.5×
  46. 47BaghdadBaghdad, Iraq
    1042.4×
  47. 47Lak SiBangkok, Thailand
    1042.4×
  48. 49ChiguayanteBiobio, Chile
    1012.4×
  49. 50Bueng KumBangkok, Thailand
    992.3×
  50. 51JacksonvilleFlorida, United States
    972.3×
  51. 52Ban Samae DamBangkok, Thailand
    972.3×
  52. 53Ban Khlong PrawetBangkok, Thailand
    962.2×
  53. 53Accralow-cost sensorsGreater Accra, Ghana
    962.2×
  54. 55GuangzhouGuangdong, China
    962.2×
  55. 56KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    962.2×
  56. 56LazarevacCentral Serbia, Serbia
    962.2×
  57. 56Tuen MunTuen Mun, Hong Kong
    962.2×
  58. 59IrapuatoGuanajuato, Mexico
    952.2×
  59. 60Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    952.2×
  60. 60Khan Na YaoBangkok, Thailand
    952.2×
  61. 62Bang NaBangkok, Thailand
    942.1×
  62. 63Karachilow-cost sensorsSindh, Pakistan
    942.1×
  63. 64Saphan SungBangkok, Thailand
    942.1×
  64. 65AthensAttica, Greece
    932.1×
  65. 66XonacatlánMéxico, Mexico
    932.1×
  66. 67Bang KapiBangkok, Thailand
    922.1×
  67. 67NacimientoBiobio, Chile
    922.1×
  68. 69BangkokBangkok, Thailand
    922.1×
  69. 69Grants PassOregon, United States
    922.1×
  70. 69Sai MaiBangkok, Thailand
    922.1×
  71. 72Nong ChokBangkok, Thailand
    912.0×
  72. 73Tai PoTai Po, Hong Kong
    902.0×
  73. 74Mueang NonthaburiNonthaburi, Thailand
    902.0×
  74. 75Istanbullow-cost sensorsIstanbul, Turkey
    902.0×
  75. 76HelenaMontana, United States
    902.0×
  76. 77CraiovaDolj, Romania
    892.0×
  77. 78Wan ChaiWan Chai, Hong Kong
    892.0×
  78. 79FanlingNorth District, Hong Kong
    881.9×
  79. 79Spanish ForkUtah, United States
    881.9×
  80. 81Tomaszów LubelskiLublin, Poland
    881.9×
  81. 82Chiayi CityTaiwan, Taiwan
    881.9×
  82. 83Silao de la VictoriaGuanajuato, Mexico
    871.9×
  83. 83ChicoCalifornia, United States
    871.9×
  84. 83OremUtah, United States
    871.9×
  85. 86BakuBaki, Azerbaijan
    861.9×
  86. 86Tin Shui WaiYuen Long, Hong Kong
    861.9×
  87. 88Santiago de QuerétaroQuerétaro, Mexico
    861.9×
  88. 89SarajevoFederation of B&H, Bosnia and Herzegovina
    851.8×
  89. 89SalemOregon, United States
    851.8×
  90. 91Villa Poeta José Gálvez BarrenecheaLima region, Peru
    851.8×
  91. 92PocatelloIdaho, United States
    841.8×
  92. 93Ecatepec de MorelosMéxico, Mexico
    841.8×
  93. 94ZemunCentral Serbia, Serbia
    841.8×
  94. 95IaşiIași County, Romania
    841.8×
  95. 96FutogVojvodina, Serbia
    831.8×
  96. 97ZhushanTaiwan, Taiwan
    831.8×
  97. 97CelayaGuanajuato, Mexico
    831.8×
  98. 99Mong KokYau Tsim Mong District, Hong Kong
    831.7×
  99. 100LiepājaLiepaja, Latvia
    821.7×
  100. 101Addis AbabaAddis Ababa, Ethiopia
    821.7×
  101. 102AugustówPodlasie, Poland
    821.7×
  102. 103ObrenovacCentral Serbia, Serbia
    821.7×
  103. 104Sau Mau PingKwun Tong District, Hong Kong
    821.7×
  104. 105Alcalá de HenaresMadrid, Spain
    811.7×
  105. 106Tsuen WanTsuen Wan, Hong Kong
    811.7×
  106. 106Sha TinSha Tin, Hong Kong
    811.7×
  107. 106AtlixcoPuebla, Mexico
    811.7×
  108. 106ParklandWashington, United States
    811.7×
  109. 106YakimaWashington, United States
    811.7×
  110. 111Kwai ChungKwai Tsing District, Hong Kong
    801.7×
  111. 112QuillotaValparaiso, Chile
    801.6×
  112. 113San Tung Chung HangIslands, Hong Kong
    791.6×
  113. 114PuliTaiwan, Taiwan
    781.6×
  114. 114León de los AldamaGuanajuato, Mexico
    781.6×
  115. 116BirminghamAlabama, United States
    771.6×
  116. 117AsprópyrgosAttica, Greece
    771.5×
  117. 117WŏnjuGangwon-do, South Korea
    771.5×
  118. 119NantouTaiwan, Taiwan
    771.5×
  119. 119FengshanTakao, Taiwan
    771.5×
  120. 121ChaozhouTaiwan, Taiwan
    771.5×
  121. 121Viña del MarValparaiso, Chile
    771.5×
  122. 123PančevoVojvodina, Serbia
    771.5×
  123. 123San CarlosÑuble, Chile
    771.5×
  124. 125DouliuTaiwan, Taiwan
    771.5×
  125. 125QuinteroValparaiso, Chile
    771.5×
  126. 127VictoriaCentral and Western, Hong Kong
    761.5×
  127. 127Novi SadVojvodina, Serbia
    761.5×
  128. 127San Juan del RíoQuerétaro, Mexico
    761.5×
  129. 127AltamontOregon, United States
    761.5×
  130. 131Sham Shui PoSham Shui Po District, Hong Kong
    761.5×
  131. 132PiraeusAttica, Greece
    761.5×
  132. 132KaohsiungTakao, Taiwan
    761.5×
  133. 134AricaArica y Parinacota Region, Chile
    761.5×
  134. 135PylaíaCentral Macedonia, Greece
    751.5×
  135. 135SantiagoSantiago Metropolitan, Chile
    751.5×
  136. 135CauquenesMaule Region, Chile
    751.5×
  137. 135MissionTexas, United States
    751.5×
  138. 135MilwaukieOregon, United States
    751.5×
  139. 140Puente AltoSantiago Metropolitan, Chile
    751.5×
  140. 141MunsanGyeonggi-do, South Korea
    751.5×
  141. 141RentonWashington, United States
    751.5×
  142. 143LučenecBanská Bystrica Region, Slovakia
    741.4×
  143. 143TigardOregon, United States
    741.4×
  144. 145MiskolcBorsod-Abaúj-Zemplén, Hungary
    741.4×
  145. 145Naucalpan de JuárezMéxico, Mexico
    741.4×
  146. 145TalcaMaule Region, Chile
    741.4×
  147. 148AuburnWashington, United States
    741.4×
  148. 149PubalGyeonggi-do, South Korea
    731.4×
  149. 149QuilpuéValparaiso, Chile
    731.4×
  150. 151RengoO'Higgins Region, Chile
    731.4×
  151. 152ToméBiobio, Chile
    731.4×
  152. 152CuricóMaule Region, Chile
    731.4×
  153. 154Ciudad NezahualcoyotlMéxico, Mexico
    731.4×
  154. 154RancaguaO'Higgins Region, Chile
    731.4×
  155. 154CoronelBiobio, Chile
    731.4×
  156. 157KoesanNorth Chungcheong, South Korea
    721.4×
  157. 158Ganghwa-gunIncheon, South Korea
    721.4×
  158. 158LewistonIdaho, United States
    721.4×
  159. 158Columbia CityWashington, United States
    721.4×
  160. 158LongviewWashington, United States
    721.4×
  161. 162TalaganteSantiago Metropolitan, Chile
    721.3×
  162. 163ErlunTaiwan, Taiwan
    711.3×
  163. 163WabuGyeonggi-do, South Korea
    711.3×
  164. 165YuanlinTaiwan, Taiwan
    711.3×
  165. 165GumiGyeongsangbuk-do, South Korea
    711.3×
  166. 165AntofagastaAntofagasta, Chile
    711.3×
  167. 165Daytona BeachFlorida, United States
    711.3×
  168. 169HualquiBiobio, Chile
    711.3×
  169. 170AshgabatAshgabat, Turkmenistan
    701.3×
  170. 170SeoulSeoul, South Korea
    701.3×
  171. 170GwangmyeongGyeonggi-do, South Korea
    701.3×
  172. 170CoquimboCoquimbo Region, Chile
    701.3×
  173. 170San Pedro de la PazBiobio, Chile
    701.3×
  174. 175ConcepciónBiobio, Chile
    701.3×
  175. 175San Francisco De BorjaLima region, Peru
    701.3×
  176. 177HwadoGyeonggi-do, South Korea
    701.3×
  177. 177SeattleWashington, United States
    701.3×
  178. 179GapyeongGyeonggi-do, South Korea
    701.3×
  179. 179TocopillaAntofagasta, Chile
    701.3×
  180. 179AlbanyOregon, United States
    701.3×
  181. 179Santa Anita - Los FicusLima region, Peru
    701.3×
  182. 183XinyingTaiwan, Taiwan
    701.3×
  183. 184TainanTaiwan, Taiwan
    691.3×
  184. 184HanamGyeonggi-do, South Korea
    691.3×
  185. 186TalcahuanoBiobio, Chile
    691.3×
  186. 186ConcónValparaiso, Chile
    691.3×
  187. 186San Miguel de AllendeGuanajuato, Mexico
    691.3×
  188. 186ButteMontana, United States
    691.3×
  189. 186TacomaWashington, United States
    691.3×
  190. 191Guri-siGyeonggi-do, South Korea
    691.3×
  191. 191ChuncheonGangwon-do, South Korea
    691.3×
  192. 191NamyangjuGyeonggi-do, South Korea
    691.3×
  193. 191StocktonCalifornia, United States
    691.3×
  194. 195YongkangTaiwan, Taiwan
    691.2×
  195. 195ChungjuNorth Chungcheong, South Korea
    691.2×
  196. 195Yuba CityCalifornia, United States
    691.2×
  197. 198Uijeongbu-siGyeonggi-do, South Korea
    691.2×
  198. 198Cheongju-siNorth Chungcheong, South Korea
    691.2×
  199. 198AndongGyeongsangbuk-do, South Korea
    691.2×

Top 200 of 2,204 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, January 29, 2025, smogrank.com/history/2025-01-29 (accessed 2 Oct 2026).

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