SmogRank / History / January 11, 2025

Most polluted cities on January 11, 2025

2,116 cities ranked by their average PM2.5 over the day; the worst was Dushanbe, Tajikistan, at 269.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 11, 2025. All episodes.

← Dushanbe 269.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for January 11, 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. 1DushanbeDushanbe, Tajikistan
    38817.9×
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    35216.7×
  3. 3KolkataWest Bengal, India
    31415.5×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    28614.1×
  5. 5N'DjamenaN’Djaména, Chad
    24411.3×
  6. 6DelhiDelhi, India
    23910.9×
  7. 7Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    2149.3×
  8. 8Ulan BatorUlaanbaatar, Mongolia
    2129.1×
  9. 9Islamabadlow-cost sensorsIslamabad, Pakistan
    1988.1×
  10. 10BaghdadBaghdad, Iraq
    1957.9×
  11. 11Karachilow-cost sensorsSindh, Pakistan
    1917.5×
  12. 12Kampalalow-cost sensorsCentral Region, Uganda
    1856.9×
  13. 13SalorTashkent Region, Uzbekistan
    1796.4×
  14. 14ShenyangLiaoning, China
    1745.9×
  15. 15MumbaiMaharashtra, India
    1745.9×
  16. 16Kathmandulow-cost sensorsBagmati Province, Nepal
    1745.9×
  17. 17ValjevoCentral Serbia, Serbia
    1624.7×
  18. 18Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1614.7×
  19. 19HyderabadTelangana, India
    1604.6×
  20. 20KigaliKigali, Rwanda
    1594.5×
  21. 21Lagoslow-cost sensorsLagos, Nigeria
    1574.2×
  22. 22Almatylow-cost sensorsAlmaty, Kazakhstan
    1564.2×
  23. 23Accralow-cost sensorsGreater Accra, Ghana
    1554.1×
  24. 24SmederevoCentral Serbia, Serbia
    1533.9×
  25. 25ZemunCentral Serbia, Serbia
    1483.6×
  26. 26CairoCairo, Egypt
    1413.4×
  27. 27BakuBaki, Azerbaijan
    1313.2×
  28. 28KraljevoCentral Serbia, Serbia
    1313.2×
  29. 29LazarevacCentral Serbia, Serbia
    1303.1×
  30. 30IzegemFlanders, Belgium
    1293.1×
  31. 31Yerevanlow-cost sensorsYerevan, Armenia
    1283.1×
  32. 32MenenFlanders, Belgium
    1283.1×
  33. 33HanoiHanoi, Vietnam
    1283.1×
  34. 34LondonEngland, United Kingdom
    1273.1×
  35. 35Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1263.0×
  36. 36PančevoVojvodina, Serbia
    1233.0×
  37. 37BexleyEngland, United Kingdom
    1222.9×
  38. 38ShanghaiShanghai, China
    1212.9×
  39. 39ObrenovacCentral Serbia, Serbia
    1202.9×
  40. 40YangonYangon, Myanmar
    1192.9×
  41. 41GraysEngland, United Kingdom
    1132.7×
  42. 42KortrijkFlanders, Belgium
    1132.7×
  43. 43SarajevoFederation of B&H, Bosnia and Herzegovina
    1122.7×
  44. 44Novi PazarCentral Serbia, Serbia
    1112.6×
  45. 45KragujevacCentral Serbia, Serbia
    1112.6×
  46. 46LochristiFlanders, Belgium
    1092.6×
  47. 47Abujalow-cost sensorsFCT, Nigeria
    1082.5×
  48. 48GentFlanders, Belgium
    1072.5×
  49. 49ChennaiTamil Nadu, India
    1072.5×
  50. 50GuangzhouGuangdong, China
    1072.5×
  51. 51RoeselareFlanders, Belgium
    1052.5×
  52. 51EvergemFlanders, Belgium
    1052.5×
  53. 53LampangLampang, Thailand
    1052.5×
  54. 54Le HavreNormandy, France
    1042.4×
  55. 54Boulogne-sur-MerHauts-de-France, France
    1042.4×
  56. 56ČačakCentral Serbia, Serbia
    1032.4×
  57. 56DagenhamEngland, United Kingdom
    1032.4×
  58. 58BelgradeCentral Serbia, Serbia
    1022.4×
  59. 59DartfordEngland, United Kingdom
    1012.4×
  60. 59BeverenFlanders, Belgium
    1012.4×
  61. 61DejCluj County, Romania
    1002.4×
  62. 62Tuen MunTuen Mun, Hong Kong
    1002.3×
  63. 63KapellenFlanders, Belgium
    992.3×
  64. 64Wan ChaiWan Chai, Hong Kong
    982.3×
  65. 64AntwerpFlanders, Belgium
    982.3×
  66. 66Bueng KumBangkok, Thailand
    972.3×
  67. 67Khlong Sam WaBangkok, Thailand
    962.2×
  68. 68AshgabatAshgabat, Turkmenistan
    962.2×
  69. 69ChiguayanteBiobio, Chile
    952.2×
  70. 70ColomboWestern Province, Sri Lanka
    952.2×
  71. 70StabroekFlanders, Belgium
    952.2×
  72. 70BadgerAlaska, United States
    952.2×
  73. 73SremčicaCentral Serbia, Serbia
    952.2×
  74. 74ZwijndrechtFlanders, Belgium
    932.1×
  75. 75Khan Na YaoBangkok, Thailand
    922.1×
  76. 76NacimientoBiobio, Chile
    922.1×
  77. 77Tin Shui WaiYuen Long, Hong Kong
    902.0×
  78. 78DouaiHauts-de-France, France
    902.0×
  79. 79Tai PoTai Po, Hong Kong
    892.0×
  80. 79ZaventemFlanders, Belgium
    892.0×
  81. 81ComptonCalifornia, United States
    881.9×
  82. 82San Tung Chung HangIslands, Hong Kong
    881.9×
  83. 84Yangp'yŏngGyeonggi-do, South Korea
    881.9×
  84. 84BredaNorth Brabant, The Netherlands
    881.9×
  85. 86Nong KhaemBangkok, Thailand
    871.9×
  86. 86Saphan SungBangkok, Thailand
    871.9×
  87. 88GrimbergenFlanders, Belgium
    871.9×
  88. 89BottropNorth Rhine-Westphalia, Germany
    871.9×
  89. 90WuppertalNorth Rhine-Westphalia, Germany
    871.9×
  90. 91HattingenNorth Rhine-Westphalia, Germany
    861.9×
  91. 92TilburgNorth Brabant, The Netherlands
    861.9×
  92. 93PubalGyeonggi-do, South Korea
    861.9×
  93. 93KrefeldNorth Rhine-Westphalia, Germany
    861.9×
  94. 95GumiGyeongsangbuk-do, South Korea
    861.8×
  95. 95OberhausenNorth Rhine-Westphalia, Germany
    861.8×
  96. 95DüsseldorfNorth Rhine-Westphalia, Germany
    861.8×
  97. 98Mong KokYau Tsim Mong District, Hong Kong
    851.8×
  98. 99DuisburgNorth Rhine-Westphalia, Germany
    851.8×
  99. 99FutogVojvodina, Serbia
    851.8×
  100. 101HongseongChungcheongnam-do, South Korea
    851.8×
  101. 102Istanbullow-cost sensorsIstanbul, Turkey
    851.8×
  102. 103CodleaBrașov County, Romania
    851.8×
  103. 103Los AngelesCalifornia, United States
    851.8×
  104. 105Kwai ChungKwai Tsing District, Hong Kong
    851.8×
  105. 105Asunciónlow-cost sensorsAsuncion, Paraguay
    851.8×
  106. 107ChaozhouTaiwan, Taiwan
    841.8×
  107. 107YeongjuGyeongsangbuk-do, South Korea
    841.8×
  108. 109WillebroekFlanders, Belgium
    841.8×
  109. 110HwadoGyeonggi-do, South Korea
    841.8×
  110. 110HanfordCalifornia, United States
    841.8×
  111. 112EssenNorth Rhine-Westphalia, Germany
    841.8×
  112. 113EindhovenNorth Brabant, The Netherlands
    831.8×
  113. 114GelsenkirchenNorth Rhine-Westphalia, Germany
    831.8×
  114. 115AsanChungcheongnam-do, South Korea
    831.8×
  115. 116AmmanAmman, Jordan
    831.7×
  116. 116Bang NaBangkok, Thailand
    831.7×
  117. 116RatingenNorth Rhine-Westphalia, Germany
    831.7×
  118. 119Lak SiBangkok, Thailand
    821.7×
  119. 120PirotCentral Serbia, Serbia
    821.7×
  120. 120OkcheonNorth Chungcheong, South Korea
    821.7×
  121. 122IksanJeollabuk-do, South Korea
    821.7×
  122. 123SadaoSongkhla, Thailand
    821.7×
  123. 123Bang KapiBangkok, Thailand
    821.7×
  124. 123Sham Shui PoSham Shui Po District, Hong Kong
    821.7×
  125. 126BuyeoChungcheongnam-do, South Korea
    821.7×
  126. 127GimcheonGyeongsangbuk-do, South Korea
    811.7×
  127. 128Tsuen WanTsuen Wan, Hong Kong
    811.7×
  128. 128YeongdongNorth Chungcheong, South Korea
    811.7×
  129. 130Ban Samae DamBangkok, Thailand
    811.7×
  130. 130Ban Khlong PrawetBangkok, Thailand
    811.7×
  131. 130GunsanJeollabuk-do, South Korea
    811.7×
  132. 130FresnoCalifornia, United States
    811.7×
  133. 134AntananarivoAnalamanga, Madagascar
    811.7×
  134. 134LeverkusenNorth Rhine-Westphalia, Germany
    811.7×
  135. 136AsprópyrgosAttica, Greece
    801.7×
  136. 136KimjeJeollabuk-do, South Korea
    801.7×
  137. 136SejongSejong-si, South Korea
    801.7×
  138. 139HagenNorth Rhine-Westphalia, Germany
    801.7×
  139. 140Sha TinSha Tin, Hong Kong
    801.6×
  140. 140Sau Mau PingKwun Tong District, Hong Kong
    801.6×
  141. 140DortmundNorth Rhine-Westphalia, Germany
    801.6×
  142. 143MolFlanders, Belgium
    801.6×
  143. 143MechelenFlanders, Belgium
    801.6×
  144. 143PtujUrban Municipality of Ptuj, Slovenia
    801.6×
  145. 146Mueang NonthaburiNonthaburi, Thailand
    801.6×
  146. 146FanlingNorth District, Hong Kong
    801.6×
  147. 146BuanJeollabuk-do, South Korea
    801.6×
  148. 146KinzanChungcheongnam-do, South Korea
    801.6×
  149. 150YesanChungcheongnam-do, South Korea
    801.6×
  150. 150KranjUrban Municipality of Kranj, Slovenia
    801.6×
  151. 150Sai MaiBangkok, Thailand
    801.6×
  152. 153YeojuGyeonggi-do, South Korea
    791.6×
  153. 154Uijeongbu-siGyeonggi-do, South Korea
    791.6×
  154. 154CalexicoCalifornia, United States
    791.6×
  155. 156BakersfieldCalifornia, United States
    791.6×
  156. 157WanjuJeollabuk-do, South Korea
    791.6×
  157. 157MönchengladbachNorth Rhine-Westphalia, Germany
    791.6×
  158. 159Addis AbabaAddis Ababa, Ethiopia
    781.6×
  159. 159GlendoraCalifornia, United States
    781.6×
  160. 159VisaliaCalifornia, United States
    781.6×
  161. 162Nong ChokBangkok, Thailand
    781.6×
  162. 162BeijingBeijing, China
    781.6×
  163. 162WŏnjuGangwon-do, South Korea
    781.6×
  164. 165VictoriaCentral and Western, Hong Kong
    781.6×
  165. 165RixensartWallonia, Belgium
    781.6×
  166. 165ManlleuCatalonia, Spain
    781.6×
  167. 169YangjuGyeonggi-do, South Korea
    781.6×
  168. 169QuinteroValparaiso, Chile
    781.6×
  169. 171KölnNorth Rhine-Westphalia, Germany
    771.5×
  170. 171TijuanaBaja California, Mexico
    771.5×
  171. 173VenrayLimburg, The Netherlands
    771.5×
  172. 173QuillotaValparaiso, Chile
    771.5×
  173. 175JungpyongNorth Chungcheong, South Korea
    771.5×
  174. 175ChungjuNorth Chungcheong, South Korea
    771.5×
  175. 175BrusselsBrussels Capital, Belgium
    771.5×
  176. 178CheonanChungcheongnam-do, South Korea
    771.5×
  177. 179BangkokBangkok, Thailand
    771.5×
  178. 179JüchenNorth Rhine-Westphalia, Germany
    771.5×
  179. 181Chiang MaiChiang Mai, Thailand
    761.5×
  180. 181YŏnmuChungcheongnam-do, South Korea
    761.5×
  181. 183Cheongju-siNorth Chungcheong, South Korea
    761.5×
  182. 183UnnaNorth Rhine-Westphalia, Germany
    761.5×
  183. 183Viña del MarValparaiso, Chile
    761.5×
  184. 183SantiagoSantiago Metropolitan, Chile
    761.5×
  185. 183Puente AltoSantiago Metropolitan, Chile
    761.5×
  186. 188Icheon-siGyeonggi-do, South Korea
    761.5×
  187. 188SteubenvilleOhio, United States
    761.5×
  188. 190PátraWest Greece, Greece
    751.5×
  189. 190PulheimNorth Rhine-Westphalia, Germany
    751.5×
  190. 190CeljeUrban Municipality of Celje, Slovenia
    751.5×
  191. 193AcharnésAttica, Greece
    751.5×
  192. 193HwacheonGangwon-do, South Korea
    751.5×
  193. 193BergheimNorth Rhine-Westphalia, Germany
    751.5×
  194. 196SeonghwanChungcheongnam-do, South Korea
    751.5×
  195. 197AarschotFlanders, Belgium
    751.5×
  196. 198AstanaAstana, Kazakhstan
    751.5×
  197. 198FengshanTakao, Taiwan
    751.5×
  198. 198NamyangjuGyeonggi-do, South Korea
    751.5×

Top 200 of 2,116 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

Not covered: the government monitoring networks of China and Turkey, which publish no terms that let us reuse their readings. Most cities there are missing from this board, not clean. Why.

Use this board

SmogRank, most polluted cities, PM2.5, January 11, 2025, smogrank.com/history/2025-01-11 (accessed 2 Oct 2026).

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