SmogRank / History / January 26, 2024

Most polluted cities on January 26, 2024

1,999 cities ranked by their average PM2.5 over the day; the worst was N'Djamena, Chad, at 641.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 26, 2024. All episodes.

← N'Djamena 641.0 µg/m³ 600 µg/m³15 WHO 24-hour guideline
Every city ranked for January 26, 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. 1N'DjamenaN’Djaména, Chad
    500+42.7×
  2. 2Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    500+25.3×
  3. 3DelhiDelhi, India
    500+25.0×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    30215.1×
  5. 5KolkataWest Bengal, India
    28213.8×
  6. 6Ulan BatorUlaanbaatar, Mongolia
    24111.1×
  7. 7SarajevoFederation of B&H, Bosnia and Herzegovina
    23010.3×
  8. 8Lahorelow-cost sensorsPunjab, Pakistan
    2219.7×
  9. 9Abujalow-cost sensorsFCT, Nigeria
    2088.9×
  10. 10Karachilow-cost sensorsSindh, Pakistan
    2018.4×
  11. 10PljevljaPljevlja, Montenegro
    2018.4×
  12. 12TlaquepaqueJalisco, Mexico
    1998.3×
  13. 13Banja LukaSrpska, Bosnia and Herzegovina
    1968.0×
  14. 14Islamabadlow-cost sensorsIslamabad, Pakistan
    1947.8×
  15. 15PesaroThe Marches, Italy
    1725.7×
  16. 16MumbaiMaharashtra, India
    1665.1×
  17. 17HyderabadTelangana, India
    1634.9×
  18. 18Kathmandulow-cost sensorsBagmati Province, Nepal
    1634.9×
  19. 19BitolaBitola, North Macedonia
    1614.7×
  20. 20SukhothaiSukhothai, Thailand
    1594.4×
  21. 21ShenyangLiaoning, China
    1574.2×
  22. 22HanoiHanoi, Vietnam
    1513.7×
  23. 23KavadarciKavadarci, North Macedonia
    1513.7×
  24. 24AlessandriaPiedmont, Italy
    1513.7×
  25. 25BorgomaneroPiedmont, Italy
    1503.7×
  26. 26TetovoTetovo, North Macedonia
    1433.5×
  27. 27ManlleuCatalonia, Spain
    1343.3×
  28. 28BeneventoCampania, Italy
    1323.2×
  29. 29SalorTashkent Region, Uzbekistan
    1323.2×
  30. 30Samut SakhonSamut Sakhon, Thailand
    1313.2×
  31. 31BellinzonaTicino, Switzerland
    1293.1×
  32. 32JesiThe Marches, Italy
    1233.0×
  33. 33PodgoricaPodgorica, Montenegro
    1222.9×
  34. 34DushanbeDushanbe, Tajikistan
    1222.9×
  35. 35La OrotavaCanary Islands, Spain
    1212.9×
  36. 36ColomboWestern Province, Sri Lanka
    1172.8×
  37. 37LampangLampang, Thailand
    1142.7×
  38. 37Lat KrabangBangkok, Thailand
    1142.7×
  39. 39Falconara MarittimaThe Marches, Italy
    1132.7×
  40. 40FréjusProvence-Alpes-Côte d'Azur, France
    1122.7×
  41. 41CapannoriTuscany, Italy
    1122.7×
  42. 42ChennaiTamil Nadu, India
    1122.7×
  43. 43YangonYangon, Myanmar
    1102.6×
  44. 44BakuBaki, Azerbaijan
    1102.6×
  45. 45Nong KhaemBangkok, Thailand
    1092.6×
  46. 46Wan ChaiWan Chai, Hong Kong
    1082.5×
  47. 47Kamphaeng PhetKamphaeng Phet, Thailand
    1072.5×
  48. 47Bang Bo DistrictSamut Prakan, Thailand
    1072.5×
  49. 49EtwatwaGauteng, South Africa
    1042.5×
  50. 50Santa Cruz de la PalmaCanary Islands, Spain
    1032.4×
  51. 51Tuen MunTuen Mun, Hong Kong
    1032.4×
  52. 51LuganoTicino, Switzerland
    1032.4×
  53. 51NaplesCampania, Italy
    1032.4×
  54. 54Khlong Sam WaBangkok, Thailand
    1022.4×
  55. 55VelesVeles, North Macedonia
    1022.4×
  56. 56KanchanaburiKanchanaburi, Thailand
    1012.4×
  57. 57PhetchaburiPhetchaburi, Thailand
    1012.4×
  58. 58KigaliKigali, Rwanda
    1002.3×
  59. 59Bang NaBangkok, Thailand
    992.3×
  60. 60AnconaThe Marches, Italy
    982.3×
  61. 61VigoGalicia, Spain
    972.3×
  62. 62San Tung Chung HangIslands, Hong Kong
    972.2×
  63. 63Kampalalow-cost sensorsCentral Region, Uganda
    962.2×
  64. 64PinetownKwaZulu-Natal, South Africa
    962.2×
  65. 64WolfsbergCarinthia, Austria
    962.2×
  66. 66Ban Samae DamBangkok, Thailand
    962.2×
  67. 67BadgerAlaska, United States
    952.2×
  68. 68Nong ChokBangkok, Thailand
    952.2×
  69. 69NišCentral Serbia, Serbia
    952.2×
  70. 70Lak SiBangkok, Thailand
    952.2×
  71. 71PančevoVojvodina, Serbia
    932.1×
  72. 71Chiang RaiChiang Rai, Thailand
    932.1×
  73. 71RayongRayong, Thailand
    932.1×
  74. 71BangkokBangkok, Thailand
    932.1×
  75. 75BarcelonaCatalonia, Spain
    932.1×
  76. 75HualpénBiobio, Chile
    932.1×
  77. 77Phra PradaengSamut Prakan, Thailand
    932.1×
  78. 77Bueng KumBangkok, Thailand
    932.1×
  79. 77Khan Na YaoBangkok, Thailand
    932.1×
  80. 77Saphan SungBangkok, Thailand
    932.1×
  81. 81DziałdowoWarmia-Masuria, Poland
    932.1×
  82. 82Khlong LuangPathum Thani, Thailand
    922.1×
  83. 82Santa Cruz de TenerifeCanary Islands, Spain
    922.1×
  84. 84Samut PrakanSamut Prakan, Thailand
    912.0×
  85. 85Mueang NonthaburiNonthaburi, Thailand
    912.0×
  86. 86VictoriaCentral and Western, Hong Kong
    912.0×
  87. 87Chai NatChai Nat, Thailand
    912.0×
  88. 88Bang KapiBangkok, Thailand
    902.0×
  89. 89Tin Shui WaiYuen Long, Hong Kong
    892.0×
  90. 89OurenseGalicia, Spain
    892.0×
  91. 91GuangzhouGuangdong, China
    892.0×
  92. 92Mong KokYau Tsim Mong District, Hong Kong
    881.9×
  93. 93Chiang MaiChiang Mai, Thailand
    881.9×
  94. 94Nakhon PathomNakhon Pathom, Thailand
    881.9×
  95. 95CandelariaCanary Islands, Spain
    881.9×
  96. 96Addis AbabaAddis Ababa, Ethiopia
    871.9×
  97. 96GrazStyria, Austria
    871.9×
  98. 96Mollet del VallèsCatalonia, Spain
    871.9×
  99. 99Tsuen WanTsuen Wan, Hong Kong
    871.9×
  100. 100Nakhon SawanNakhon Sawan, Thailand
    871.9×
  101. 101Ban Khlong PrawetBangkok, Thailand
    861.9×
  102. 102PátraWest Greece, Greece
    851.8×
  103. 103Gasteiz / VitoriaBasque Country, Spain
    851.8×
  104. 104Granadilla de AbonaCanary Islands, Spain
    851.8×
  105. 105Şabāḩ as SālimMubārak al Kabīr, Kuwait
    851.8×
  106. 105BailénAndalusia, Spain
    851.8×
  107. 105BogotáBogota D.C., Colombia
    851.8×
  108. 108Laem ChabangChon Buri, Thailand
    841.8×
  109. 108Ciudad RealCastille-La Mancha, Spain
    841.8×
  110. 110BritsNorth West, South Africa
    841.8×
  111. 110NanNan, Thailand
    841.8×
  112. 112Tai PoTai Po, Hong Kong
    831.8×
  113. 113Suphan BuriSuphan Buri, Thailand
    831.7×
  114. 113Sham Shui PoSham Shui Po District, Hong Kong
    831.7×
  115. 113Sai MaiBangkok, Thailand
    831.7×
  116. 116PhichitPhichit, Thailand
    821.7×
  117. 117JakartaJakarta, Indonesia
    821.7×
  118. 117Sau Mau PingKwun Tong District, Hong Kong
    821.7×
  119. 117San IsidroCanary Islands, Spain
    821.7×
  120. 117ZgierzŁódź Voivodeship, Poland
    821.7×
  121. 121LazarevacCentral Serbia, Serbia
    821.7×
  122. 122Nakhon RatchasimaNakhon Ratchasima, Thailand
    821.7×
  123. 122LleidaCatalonia, Spain
    821.7×
  124. 124BilbaoBasque Country, Spain
    821.7×
  125. 125Almatylow-cost sensorsAlmaty, Kazakhstan
    811.7×
  126. 126MurciaMurcia, Spain
    811.7×
  127. 127Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    811.7×
  128. 128MaspalomasCanary Islands, Spain
    801.7×
  129. 129RoveretoTrentino-Alto Adige, Italy
    801.6×
  130. 129FairbanksAlaska, United States
    801.6×
  131. 131PristinaPristina, Kosovo
    801.6×
  132. 132AronaCanary Islands, Spain
    791.6×
  133. 132DurangoBasque Country, Spain
    791.6×
  134. 134Sha TinSha Tin, Hong Kong
    791.6×
  135. 135SantiagoSantiago Metropolitan, Chile
    791.6×
  136. 136Skarżysko-KamiennaŚwiętokrzyskie, Poland
    781.6×
  137. 136CuranilahueBiobio, Chile
    781.6×
  138. 138DębicaSubcarpathia, Poland
    781.6×
  139. 138SremčicaCentral Serbia, Serbia
    781.6×
  140. 138MidrandGauteng, South Africa
    781.6×
  141. 141CelayaGuanajuato, Mexico
    781.6×
  142. 142NacimientoBiobio, Chile
    771.5×
  143. 143Laudio / LlodioBasque Country, Spain
    771.5×
  144. 144ThembisaGauteng, South Africa
    771.5×
  145. 144TeoGalicia, Spain
    771.5×
  146. 144Puente AltoSantiago Metropolitan, Chile
    771.5×
  147. 147BelgradeCentral Serbia, Serbia
    761.5×
  148. 147TorreviejaValencia, Spain
    761.5×
  149. 147CuencaCastille-La Mancha, Spain
    761.5×
  150. 150TarbesOccitanie, France
    761.5×
  151. 150CosladaMadrid, Spain
    761.5×
  152. 152Collado-VillalbaMadrid, Spain
    761.5×
  153. 153Las Palmas de Gran CanariaCanary Islands, Spain
    761.5×
  154. 153LeónCastille and León, Spain
    761.5×
  155. 155SalernoCampania, Italy
    751.5×
  156. 156HualquiBiobio, Chile
    751.5×
  157. 157FanlingNorth District, Hong Kong
    741.4×
  158. 157Prince AlbertSaskatchewan, Canada
    741.4×
  159. 157MarikanaNorth West, South Africa
    741.4×
  160. 160PhetchabunPhetchabun, Thailand
    741.4×
  161. 160AmoraSetúbal, Portugal
    741.4×
  162. 160Klagenfurt am WörtherseeCarinthia, Austria
    741.4×
  163. 163San CarlosÑuble, Chile
    741.4×
  164. 163ChillánÑuble, Chile
    741.4×
  165. 165MentonProvence-Alpes-Côte d'Azur, France
    741.4×
  166. 166RengoO'Higgins Region, Chile
    731.4×
  167. 167JarosławSubcarpathia, Poland
    731.4×
  168. 167OviedoAsturias, Spain
    731.4×
  169. 167BolzanoTrentino-Alto Adige, Italy
    731.4×
  170. 167LimaLima Province, Peru
    731.4×
  171. 171CastresOccitanie, France
    731.4×
  172. 172MukdahanMukdahan, Thailand
    731.4×
  173. 172ValenciaValencia, Spain
    731.4×
  174. 172GironaCatalonia, Spain
    731.4×
  175. 175Barrio de PeralMurcia, Spain
    731.4×
  176. 175České BudějoviceSouth Bohemian Region, Czechia
    731.4×
  177. 177SevillaAndalusia, Spain
    721.4×
  178. 178PhuketPhuket, Thailand
    721.4×
  179. 178CallaoCallao, Peru
    721.4×
  180. 180RancaguaO'Higgins Region, Chile
    721.4×
  181. 181MiddelburgMpumalanga, South Africa
    721.4×
  182. 181HartbeespoortNorth West, South Africa
    721.4×
  183. 181TrentoTrentino-Alto Adige, Italy
    721.4×
  184. 181Viña del MarValparaiso, Chile
    721.4×
  185. 181San Pedro de la PazBiobio, Chile
    721.4×
  186. 186JohannesburgGauteng, South Africa
    721.3×
  187. 187VereenigingGauteng, South Africa
    711.3×
  188. 188SkopjeGrad Skopje, North Macedonia
    711.3×
  189. 189KochaniKochani, North Macedonia
    711.3×
  190. 189Ceglie MessapicaApulia, Italy
    711.3×
  191. 191SallanchesAuvergne-Rhône-Alpes, France
    711.3×
  192. 191A CoruñaGalicia, Spain
    711.3×
  193. 193CoronelBiobio, Chile
    711.3×
  194. 194CasertaCampania, Italy
    711.3×
  195. 194Los ÁngelesBiobio, Chile
    711.3×
  196. 196IrapuatoGuanajuato, Mexico
    701.3×
  197. 196BurnsvilleMinnesota, United States
    701.3×
  198. 198MiskolcBorsod-Abaúj-Zemplén, Hungary
    701.3×
  199. 198PrzemyślSubcarpathia, Poland
    701.3×
  200. 200ChaiyaphumChaiyaphum, Thailand
    701.3×

Top 200 of 1,999 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 26, 2024, smogrank.com/history/2024-01-26 (accessed 3 Oct 2026).

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