SmogRank / History / January 10, 2025

Most polluted cities on January 10, 2025

2,047 cities ranked by their average PM2.5 over the day; the worst was N'Djamena, Chad, at 275.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 10, 2025. All episodes.

← N'Djamena 275.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for January 10, 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. 1N'DjamenaN’Djaména, Chad
    40018.3×
  2. 2DelhiDelhi, India
    36017.0×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    35016.7×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    25712.1×
  5. 5KolkataWest Bengal, India
    25612.1×
  6. 6Kampalalow-cost sensorsCentral Region, Uganda
    25111.7×
  7. 7DushanbeDushanbe, Tajikistan
    23210.5×
  8. 8CairoCairo, Egypt
    2018.4×
  9. 9Islamabadlow-cost sensorsIslamabad, Pakistan
    1978.1×
  10. 9SalorTashkent Region, Uzbekistan
    1978.1×
  11. 11Karachilow-cost sensorsSindh, Pakistan
    1907.4×
  12. 12NegotinCentral Serbia, Serbia
    1867.0×
  13. 13MumbaiMaharashtra, India
    1846.9×
  14. 14Ulan BatorUlaanbaatar, Mongolia
    1826.7×
  15. 15HyderabadTelangana, India
    1786.3×
  16. 16Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1715.6×
  17. 17Kathmandulow-cost sensorsBagmati Province, Nepal
    1685.3×
  18. 18KigaliKigali, Rwanda
    1655.0×
  19. 18ChennaiTamil Nadu, India
    1655.0×
  20. 20Novi PazarCentral Serbia, Serbia
    1624.7×
  21. 21Yerevanlow-cost sensorsYerevan, Armenia
    1574.3×
  22. 22BaghdadBaghdad, Iraq
    1533.9×
  23. 23Almatylow-cost sensorsAlmaty, Kazakhstan
    1533.9×
  24. 24ShenyangLiaoning, China
    1523.8×
  25. 25PirotCentral Serbia, Serbia
    1433.5×
  26. 26Lagoslow-cost sensorsLagos, Nigeria
    1383.4×
  27. 27Nong KhaemBangkok, Thailand
    1353.3×
  28. 28Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1323.2×
  29. 29ComptonCalifornia, United States
    1313.2×
  30. 30BakuBaki, Azerbaijan
    1293.1×
  31. 31Ban Samae DamBangkok, Thailand
    1283.1×
  32. 32Accralow-cost sensorsGreater Accra, Ghana
    1283.1×
  33. 33Dubailow-cost sensorsDubai, United Arab Emirates
    1273.1×
  34. 34Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1243.0×
  35. 35Lak SiBangkok, Thailand
    1222.9×
  36. 36Dimitrovgradlow-cost sensorsHaskovo, Bulgaria
    1212.9×
  37. 37Khlong Sam WaBangkok, Thailand
    1212.9×
  38. 38Bueng KumBangkok, Thailand
    1172.8×
  39. 39BucharestBucharest, Romania
    1162.8×
  40. 40HanoiHanoi, Vietnam
    1132.7×
  41. 41Bang NaBangkok, Thailand
    1122.7×
  42. 42Haskovolow-cost sensorsHaskovo, Bulgaria
    1122.7×
  43. 42Oconomowoclow-cost sensorsWisconsin, United States
    1122.7×
  44. 42Sai MaiBangkok, Thailand
    1122.7×
  45. 45Mueang NonthaburiNonthaburi, Thailand
    1112.6×
  46. 46Abujalow-cost sensorsFCT, Nigeria
    1092.6×
  47. 47AshgabatAshgabat, Turkmenistan
    1072.5×
  48. 47Asunciónlow-cost sensorsAsuncion, Paraguay
    1072.5×
  49. 49Khan Na YaoBangkok, Thailand
    1062.5×
  50. 50BangkokBangkok, Thailand
    1052.5×
  51. 51CodleaBrașov County, Romania
    1032.4×
  52. 52Bang KapiBangkok, Thailand
    1032.4×
  53. 53Saphan SungBangkok, Thailand
    1022.4×
  54. 54ChiguayanteBiobio, Chile
    1012.4×
  55. 55YangonYangon, Myanmar
    992.3×
  56. 56Los AngelesCalifornia, United States
    982.3×
  57. 57Ban Khlong PrawetBangkok, Thailand
    982.3×
  58. 58Cluj-NapocaCluj County, Romania
    962.2×
  59. 59Tuen MunTuen Mun, Hong Kong
    952.2×
  60. 59ValjevoCentral Serbia, Serbia
    952.2×
  61. 61Nong ChokBangkok, Thailand
    952.2×
  62. 61Lat KrabangBangkok, Thailand
    952.2×
  63. 63ChaozhouTaiwan, Taiwan
    932.1×
  64. 64Carsonlow-cost sensorsCalifornia, United States
    932.1×
  65. 65Birminghamlow-cost sensorsEngland, United Kingdom
    922.1×
  66. 66Wan ChaiWan Chai, Hong Kong
    922.1×
  67. 67Inglewoodlow-cost sensorsCalifornia, United States
    912.1×
  68. 68ManlleuCatalonia, Spain
    912.0×
  69. 68NacimientoBiobio, Chile
    912.0×
  70. 70Hawthornelow-cost sensorsCalifornia, United States
    912.0×
  71. 71Long BeachCalifornia, United States
    902.0×
  72. 72GlendoraCalifornia, United States
    902.0×
  73. 73JinchengFukien, Taiwan
    902.0×
  74. 74DejCluj County, Romania
    892.0×
  75. 74GraysEngland, United Kingdom
    892.0×
  76. 76ThessaloníkiCentral Macedonia, Greece
    881.9×
  77. 77ShanghaiShanghai, China
    881.9×
  78. 77RedfordMichigan, United States
    881.9×
  79. 79JeddahMecca Region, Saudi Arabia
    871.9×
  80. 80DagenhamEngland, United Kingdom
    861.9×
  81. 81OregonOhio, United States
    861.9×
  82. 81Santa Monicalow-cost sensorsCalifornia, United States
    861.9×
  83. 83BexleyEngland, United Kingdom
    861.9×
  84. 84West MifflinPennsylvania, United States
    851.8×
  85. 85Istanbullow-cost sensorsIstanbul, Turkey
    851.8×
  86. 85KalamazooMichigan, United States
    851.8×
  87. 85ToledoOhio, United States
    851.8×
  88. 88Tin Shui WaiYuen Long, Hong Kong
    841.8×
  89. 88San Tung Chung HangIslands, Hong Kong
    841.8×
  90. 88Columbialow-cost sensorsMissouri, United States
    841.8×
  91. 91HanfordCalifornia, United States
    841.8×
  92. 92IndianapolisIndiana, United States
    841.8×
  93. 93UžiceCentral Serbia, Serbia
    831.8×
  94. 94AntananarivoAnalamanga, Madagascar
    831.7×
  95. 95WindsorOntario, Canada
    821.7×
  96. 96CarlowLeinster, Ireland
    821.7×
  97. 97DublinOhio, United States
    811.7×
  98. 97La Crescenta-Montroselow-cost sensorsCalifornia, United States
    811.7×
  99. 99LondonEngland, United Kingdom
    811.7×
  100. 99WoodlandCalifornia, United States
    811.7×
  101. 101CraiovaDolj, Romania
    811.7×
  102. 102TurlockCalifornia, United States
    811.7×
  103. 103BurbankCalifornia, United States
    811.7×
  104. 104ModestoCalifornia, United States
    801.7×
  105. 105GuangzhouGuangdong, China
    801.7×
  106. 105Tai PoTai Po, Hong Kong
    801.7×
  107. 107FengshanTakao, Taiwan
    801.6×
  108. 107Mong KokYau Tsim Mong District, Hong Kong
    801.6×
  109. 109Sevlievolow-cost sensorsGabrovo, Bulgaria
    801.6×
  110. 110DetroitMichigan, United States
    791.6×
  111. 112Kwai ChungKwai Tsing District, Hong Kong
    791.6×
  112. 112StocktonCalifornia, United States
    791.6×
  113. 114AugustaGeorgia, United States
    791.6×
  114. 115MedinaOhio, United States
    781.6×
  115. 116Grand RapidsMichigan, United States
    781.6×
  116. 117Torrancelow-cost sensorsCalifornia, United States
    781.6×
  117. 118Terre HauteIndiana, United States
    781.6×
  118. 118Calumet CityIllinois, United States
    781.6×
  119. 120ZgierzŁódź Voivodeship, Poland
    781.6×
  120. 121DearbornMichigan, United States
    771.6×
  121. 122Valley StationKentucky, United States
    771.5×
  122. 123Addis AbabaAddis Ababa, Ethiopia
    771.5×
  123. 124PubalGyeonggi-do, South Korea
    771.5×
  124. 124CaryIllinois, United States
    771.5×
  125. 124Franklin ParkIllinois, United States
    771.5×
  126. 124SouthfieldMichigan, United States
    771.5×
  127. 128AsprópyrgosAttica, Greece
    761.5×
  128. 129Sham Shui PoSham Shui Po District, Hong Kong
    761.5×
  129. 130New AlbanyIndiana, United States
    761.5×
  130. 130MilwaukeeWisconsin, United States
    761.5×
  131. 130South MilwaukeeWisconsin, United States
    761.5×
  132. 133Elmwood ParkIllinois, United States
    761.5×
  133. 134Tsuen WanTsuen Wan, Hong Kong
    761.5×
  134. 135Puente AltoSantiago Metropolitan, Chile
    751.5×
  135. 136KortrijkFlanders, Belgium
    751.5×
  136. 137MenenFlanders, Belgium
    751.5×
  137. 137IzegemFlanders, Belgium
    751.5×
  138. 137East ChicagoIndiana, United States
    751.5×
  139. 137Lincoln ParkMichigan, United States
    751.5×
  140. 137ClevelandOhio, United States
    751.5×
  141. 137PerrysburgOhio, United States
    751.5×
  142. 137WaukeshaWisconsin, United States
    751.5×
  143. 144QuinteroValparaiso, Chile
    751.5×
  144. 144HammondIndiana, United States
    751.5×
  145. 144WestervilleOhio, United States
    751.5×
  146. 147CorcoranCalifornia, United States
    751.5×
  147. 148Quezon Citylow-cost sensorsNational Capital Region, Philippines
    741.4×
  148. 148SantiagoSantiago Metropolitan, Chile
    741.4×
  149. 150KaohsiungTakao, Taiwan
    741.4×
  150. 150DublinLeinster, Ireland
    741.4×
  151. 150Fort WayneIndiana, United States
    741.4×
  152. 150South BendIndiana, United States
    741.4×
  153. 154FanlingNorth District, Hong Kong
    741.4×
  154. 154FresnoCalifornia, United States
    741.4×
  155. 154MantecaCalifornia, United States
    741.4×
  156. 157Sau Mau PingKwun Tong District, Hong Kong
    741.4×
  157. 157ColumbusOhio, United States
    741.4×
  158. 157EastpointeMichigan, United States
    741.4×
  159. 160Sha TinSha Tin, Hong Kong
    741.4×
  160. 160VictoriaCentral and Western, Hong Kong
    741.4×
  161. 160DartfordEngland, United Kingdom
    741.4×
  162. 163WyomingMichigan, United States
    741.4×
  163. 163San Pedro de la PazBiobio, Chile
    741.4×
  164. 165YeongjuGyeongsangbuk-do, South Korea
    731.4×
  165. 165DunkirkHauts-de-France, France
    731.4×
  166. 165DouaiHauts-de-France, France
    731.4×
  167. 165LouisvilleKentucky, United States
    731.4×
  168. 169KragujevacCentral Serbia, Serbia
    731.4×
  169. 169Yangp'yŏngGyeonggi-do, South Korea
    731.4×
  170. 169OviedoAsturias, Spain
    731.4×
  171. 169Des PlainesIllinois, United States
    731.4×
  172. 169ZionIllinois, United States
    731.4×
  173. 174WŏnjuGangwon-do, South Korea
    731.4×
  174. 174BrookfieldIllinois, United States
    731.4×
  175. 176XonacatlánMéxico, Mexico
    721.4×
  176. 176Viña del MarValparaiso, Chile
    721.4×
  177. 176San CarlosÑuble, Chile
    721.4×
  178. 176NapervilleIllinois, United States
    721.4×
  179. 180ConcepciónBiobio, Chile
    721.4×
  180. 180ElkhartIndiana, United States
    721.4×
  181. 182ValdostaGeorgia, United States
    721.4×
  182. 182NorthbrookIllinois, United States
    721.4×
  183. 182YpsilantiMichigan, United States
    721.4×
  184. 185ElginIllinois, United States
    721.4×
  185. 185Michigan CityIndiana, United States
    721.4×
  186. 185TaylorMichigan, United States
    721.4×
  187. 188AmmanAmman, Jordan
    721.3×
  188. 188BloomingtonIndiana, United States
    721.3×
  189. 190JenisonMichigan, United States
    711.3×
  190. 191Zagreblow-cost sensorsZagreb, Croatia
    711.3×
  191. 191ChampaignIllinois, United States
    711.3×
  192. 191ChicagoIllinois, United States
    711.3×
  193. 191JolietIllinois, United States
    711.3×
  194. 191KokomoIndiana, United States
    711.3×
  195. 196QuillotaValparaiso, Chile
    711.3×
  196. 196HarrisonburgVirginia, United States
    711.3×
  197. 196WilkinsburgPennsylvania, United States
    711.3×
  198. 196BadgerAlaska, United States
    711.3×
  199. 200GumiGyeongsangbuk-do, South Korea
    711.3×

Top 200 of 2,047 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 10, 2025, smogrank.com/history/2025-01-10 (accessed 2 Oct 2026).

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