SmogRank / History / January 25, 2024

Most polluted cities on January 25, 2024

2,070 cities ranked by their average PM2.5 over the day; the worst was Peshawar, Pakistan, at 318.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 25, 2024. All episodes.

← Peshawar 318.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for January 25, 2024, 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. 1Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    48521.2×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    44119.7×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    42719.3×
  4. 4DelhiDelhi, India
    31415.5×
  5. 5Islamabadlow-cost sensorsIslamabad, Pakistan
    27013.0×
  6. 6PljevljaPljevlja, Montenegro
    26612.7×
  7. 7KolkataWest Bengal, India
    25512.0×
  8. 8SarajevoFederation of B&H, Bosnia and Herzegovina
    24611.4×
  9. 9Abujalow-cost sensorsFCT, Nigeria
    23210.5×
  10. 10Ulan BatorUlaanbaatar, Mongolia
    22910.3×
  11. 11Karachilow-cost sensorsSindh, Pakistan
    2159.3×
  12. 12HyderabadTelangana, India
    1917.5×
  13. 13TetovoTetovo, North Macedonia
    1826.7×
  14. 14SalamancaCastille and León, Spain
    1745.9×
  15. 15BitolaBitola, North Macedonia
    1735.8×
  16. 16ShenyangLiaoning, China
    1715.6×
  17. 17Banja LukaSrpska, Bosnia and Herzegovina
    1715.6×
  18. 18KavadarciKavadarci, North Macedonia
    1655.0×
  19. 19KigaliKigali, Rwanda
    1655.0×
  20. 20SalorTashkent Region, Uzbekistan
    1645.0×
  21. 21Kathmandulow-cost sensorsBagmati Province, Nepal
    1614.6×
  22. 22Almatylow-cost sensorsAlmaty, Kazakhstan
    1594.5×
  23. 23AlessandriaPiedmont, Italy
    1594.5×
  24. 24VelesVeles, North Macedonia
    1574.2×
  25. 25SukhothaiSukhothai, Thailand
    1554.1×
  26. 26YangonYangon, Myanmar
    1554.1×
  27. 27Mae SotTak, Thailand
    1554.1×
  28. 28LazarevacCentral Serbia, Serbia
    1533.8×
  29. 29MumbaiMaharashtra, India
    1523.8×
  30. 29PodgoricaPodgorica, Montenegro
    1523.8×
  31. 31BorgomaneroPiedmont, Italy
    1523.8×
  32. 32CapannoriTuscany, Italy
    1443.5×
  33. 33NišCentral Serbia, Serbia
    1433.5×
  34. 34ColomboWestern Province, Sri Lanka
    1373.3×
  35. 35LampangLampang, Thailand
    1333.2×
  36. 36HanoiHanoi, Vietnam
    1303.1×
  37. 37SkopjeGrad Skopje, North Macedonia
    1283.1×
  38. 38EdmontonAlberta, Canada
    1273.1×
  39. 39RatchaburiRatchaburi, Thailand
    1273.1×
  40. 40FréjusProvence-Alpes-Côte d'Azur, France
    1273.1×
  41. 41IlindenIlinden, North Macedonia
    1263.0×
  42. 42Kampalalow-cost sensorsCentral Region, Uganda
    1243.0×
  43. 43KochaniKochani, North Macedonia
    1233.0×
  44. 44Samut SakhonSamut Sakhon, Thailand
    1202.9×
  45. 45Mae SaiChiang Rai, Thailand
    1142.7×
  46. 46PristinaPristina, Kosovo
    1122.7×
  47. 47Mollet del VallèsCatalonia, Spain
    1122.7×
  48. 48Kamphaeng PhetKamphaeng Phet, Thailand
    1112.6×
  49. 48EtwatwaGauteng, South Africa
    1112.6×
  50. 50ManlleuCatalonia, Spain
    1102.6×
  51. 51CairoCairo, Egypt
    1102.6×
  52. 51PhetchaburiPhetchaburi, Thailand
    1102.6×
  53. 53BadgerAlaska, United States
    1092.6×
  54. 54ZemunCentral Serbia, Serbia
    1062.5×
  55. 55DejCluj County, Romania
    1052.5×
  56. 56LleidaCatalonia, Spain
    1052.5×
  57. 57KanchanaburiKanchanaburi, Thailand
    1042.5×
  58. 58Tuen MunTuen Mun, Hong Kong
    1042.4×
  59. 59Lat KrabangBangkok, Thailand
    1032.4×
  60. 60Chiang MaiChiang Mai, Thailand
    1022.4×
  61. 61BeneventoCampania, Italy
    1002.4×
  62. 62SremčicaCentral Serbia, Serbia
    992.3×
  63. 63PhraePhrae, Thailand
    992.3×
  64. 64ChennaiTamil Nadu, India
    982.3×
  65. 65MaspalomasCanary Islands, Spain
    982.3×
  66. 66PhichitPhichit, Thailand
    982.3×
  67. 67Khlong Sam WaBangkok, Thailand
    982.3×
  68. 68Sherwood ParkAlberta, Canada
    972.3×
  69. 69LamphunLamphun, Thailand
    972.2×
  70. 70Nong KhaemBangkok, Thailand
    962.2×
  71. 71Wan ChaiWan Chai, Hong Kong
    962.2×
  72. 71LuganoTicino, Switzerland
    962.2×
  73. 73UttaraditUttaradit, Thailand
    962.2×
  74. 74Nakhon PathomNakhon Pathom, Thailand
    962.2×
  75. 74YorkPennsylvania, United States
    962.2×
  76. 76BarcelonaCatalonia, Spain
    952.2×
  77. 77BelgradeCentral Serbia, Serbia
    952.2×
  78. 77Bang Bo DistrictSamut Prakan, Thailand
    952.2×
  79. 79Addis AbabaAddis Ababa, Ethiopia
    952.2×
  80. 79Hua HinPrachuap Khiri Khan, Thailand
    952.2×
  81. 81Tin Shui WaiYuen Long, Hong Kong
    932.1×
  82. 82Bang NaBangkok, Thailand
    932.1×
  83. 82San Tung Chung HangIslands, Hong Kong
    932.1×
  84. 84NaplesCampania, Italy
    932.1×
  85. 85PhayaoPhayao, Thailand
    922.1×
  86. 85VigoGalicia, Spain
    922.1×
  87. 87Ban ChangRayong, Thailand
    912.1×
  88. 88NanNan, Thailand
    912.0×
  89. 89PančevoVojvodina, Serbia
    902.0×
  90. 89Nakhon SawanNakhon Sawan, Thailand
    902.0×
  91. 91Ban Samae DamBangkok, Thailand
    902.0×
  92. 92ObrenovacCentral Serbia, Serbia
    892.0×
  93. 93Chiang RaiChiang Rai, Thailand
    892.0×
  94. 93Lak SiBangkok, Thailand
    892.0×
  95. 95MidrandGauteng, South Africa
    881.9×
  96. 96TratTrat, Thailand
    881.9×
  97. 97Khlong LuangPathum Thani, Thailand
    881.9×
  98. 98Bueng KumBangkok, Thailand
    881.9×
  99. 99RayongRayong, Thailand
    871.9×
  100. 99La OrotavaCanary Islands, Spain
    871.9×
  101. 101TarragonaCatalonia, Spain
    871.9×
  102. 101LancasterPennsylvania, United States
    871.9×
  103. 103Khan Na YaoBangkok, Thailand
    871.9×
  104. 104VictoriaCentral and Western, Hong Kong
    861.9×
  105. 105Las Palmas de Gran CanariaCanary Islands, Spain
    861.8×
  106. 106DushanbeDushanbe, Tajikistan
    851.8×
  107. 106BangkokBangkok, Thailand
    851.8×
  108. 106Grande PrairieAlberta, Canada
    851.8×
  109. 109AlgiersAlgiers, Algeria
    851.8×
  110. 110SantiagoSantiago Metropolitan, Chile
    851.8×
  111. 110Saphan SungBangkok, Thailand
    851.8×
  112. 112RoveretoTrentino-Alto Adige, Italy
    841.8×
  113. 113AthensAttica, Greece
    841.8×
  114. 113Phra PradaengSamut Prakan, Thailand
    841.8×
  115. 115OurenseGalicia, Spain
    841.8×
  116. 116Chai NatChai Nat, Thailand
    841.8×
  117. 116BogotáBogota D.C., Colombia
    841.8×
  118. 118Santa Cruz de TenerifeCanary Islands, Spain
    841.8×
  119. 119Şabāḩ as SālimMubārak al Kabīr, Kuwait
    831.8×
  120. 119Bang KapiBangkok, Thailand
    831.8×
  121. 119CandelariaCanary Islands, Spain
    831.8×
  122. 119HagerstownMaryland, United States
    831.8×
  123. 123BritsNorth West, South Africa
    831.8×
  124. 123AstanaAstana, Kazakhstan
    831.8×
  125. 123PhetchabunPhetchabun, Thailand
    831.8×
  126. 126AronaCanary Islands, Spain
    831.8×
  127. 126FairbanksAlaska, United States
    831.8×
  128. 128Tsuen WanTsuen Wan, Hong Kong
    831.7×
  129. 128San IsidroCanary Islands, Spain
    831.7×
  130. 130Mueang NonthaburiNonthaburi, Thailand
    831.7×
  131. 131Si Maha PhotPrachin Buri, Thailand
    821.7×
  132. 132GuangzhouGuangdong, China
    821.7×
  133. 132Mong KokYau Tsim Mong District, Hong Kong
    821.7×
  134. 134EvatonGauteng, South Africa
    821.7×
  135. 134ValenciaValencia, Spain
    821.7×
  136. 136JohannesburgGauteng, South Africa
    821.7×
  137. 136Samut PrakanSamut Prakan, Thailand
    821.7×
  138. 136Tai PoTai Po, Hong Kong
    821.7×
  139. 139AgüimesCanary Islands, Spain
    821.7×
  140. 140VolosThessaly, Greece
    811.7×
  141. 141Laem ChabangChon Buri, Thailand
    811.7×
  142. 141St. AlbertAlberta, Canada
    811.7×
  143. 143Nong ChokBangkok, Thailand
    811.7×
  144. 144HamarInnlandet, Norway
    801.6×
  145. 145JakartaJakarta, Indonesia
    801.6×
  146. 145Puente AltoSantiago Metropolitan, Chile
    801.6×
  147. 147Botevgradlow-cost sensorsSofia, Bulgaria
    801.6×
  148. 147Granadilla de AbonaCanary Islands, Spain
    801.6×
  149. 149CauquenesMaule Region, Chile
    801.6×
  150. 149Green BayWisconsin, United States
    801.6×
  151. 151PátraWest Greece, Greece
    791.6×
  152. 151ValdemoroMadrid, Spain
    791.6×
  153. 151HelenaMontana, United States
    791.6×
  154. 154ThembisaGauteng, South Africa
    791.6×
  155. 154Suphan BuriSuphan Buri, Thailand
    791.6×
  156. 156Sham Shui PoSham Shui Po District, Hong Kong
    791.6×
  157. 156TrentoTrentino-Alto Adige, Italy
    791.6×
  158. 158AsprópyrgosAttica, Greece
    791.6×
  159. 158TeldeCanary Islands, Spain
    791.6×
  160. 160Lop BuriLopburi, Thailand
    791.6×
  161. 161Sai MaiBangkok, Thailand
    781.6×
  162. 162Sing BuriSing Buri, Thailand
    781.6×
  163. 162Ban Khlong PrawetBangkok, Thailand
    781.6×
  164. 162RengoO'Higgins Region, Chile
    781.6×
  165. 165BailénAndalusia, Spain
    781.6×
  166. 166Haskovolow-cost sensorsHaskovo, Bulgaria
    771.6×
  167. 166SevillaAndalusia, Spain
    771.6×
  168. 166FredrikstadØstfold, Norway
    771.6×
  169. 166RancaguaO'Higgins Region, Chile
    771.6×
  170. 166BurnsvilleMinnesota, United States
    771.6×
  171. 171BellinzonaTicino, Switzerland
    771.5×
  172. 172Grao de MurviedroValencia, Spain
    771.5×
  173. 172Saint PaulMinnesota, United States
    771.5×
  174. 174MiskolcBorsod-Abaúj-Zemplén, Hungary
    771.5×
  175. 174Ban Talat BuengChon Buri, Thailand
    771.5×
  176. 174ArucasCanary Islands, Spain
    771.5×
  177. 174SalernoCampania, Italy
    771.5×
  178. 178IngenioCanary Islands, Spain
    761.5×
  179. 179CallaoCallao, Peru
    761.5×
  180. 180Sha TinSha Tin, Hong Kong
    761.5×
  181. 180CuencaCastille-La Mancha, Spain
    761.5×
  182. 182BensalemPennsylvania, United States
    751.5×
  183. 182HarrisburgPennsylvania, United States
    751.5×
  184. 184LoeiLoei, Thailand
    751.5×
  185. 184BolzanoTrentino-Alto Adige, Italy
    751.5×
  186. 184HualquiBiobio, Chile
    751.5×
  187. 187Sau Mau PingKwun Tong District, Hong Kong
    751.5×
  188. 187Santa Cruz de la PalmaCanary Islands, Spain
    751.5×
  189. 187CoronelBiobio, Chile
    751.5×
  190. 190MurciaMurcia, Spain
    751.5×
  191. 190MentonProvence-Alpes-Côte d'Azur, France
    751.5×
  192. 190LimaLima Province, Peru
    751.5×
  193. 190AppletonWisconsin, United States
    751.5×
  194. 194HumennéPrešov Region, Slovakia
    741.4×
  195. 194CarlislePennsylvania, United States
    741.4×
  196. 196MiddelburgMpumalanga, South Africa
    741.4×
  197. 196Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    741.4×
  198. 196MukdahanMukdahan, Thailand
    741.4×
  199. 196San Pedro de la PazBiobio, Chile
    741.4×
  200. 200OrkneyNorth West, South Africa
    741.4×

Top 200 of 2,070 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 25, 2024, smogrank.com/history/2024-01-25 (accessed 3 Oct 2026).

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