SmogRank / History / January 26, 2025

Most polluted cities on January 26, 2025

2,256 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 195.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 26, 2025. All episodes.

← Lahore 195.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for January 26, 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. 1Lahorelow-cost sensorsPunjab, Pakistan
    27013.0×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    25612.1×
  3. 3N'DjamenaN’Djaména, Chad
    2189.5×
  4. 4Banja LukaSrpska, Bosnia and Herzegovina
    1978.1×
  5. 5KolkataWest Bengal, India
    1937.7×
  6. 6Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    1927.6×
  7. 7MumbaiMaharashtra, India
    1887.2×
  8. 8Prachin BuriPrachin Buri, Thailand
    1877.1×
  9. 9Kampalalow-cost sensorsCentral Region, Uganda
    1846.9×
  10. 9SalorTashkent Region, Uzbekistan
    1846.9×
  11. 11Islamabadlow-cost sensorsIslamabad, Pakistan
    1786.3×
  12. 12ShenyangLiaoning, China
    1786.3×
  13. 13Karachilow-cost sensorsSindh, Pakistan
    1776.1×
  14. 14Kathmandulow-cost sensorsBagmati Province, Nepal
    1735.8×
  15. 15SukhothaiSukhothai, Thailand
    1735.8×
  16. 16DelhiDelhi, India
    1725.7×
  17. 17Lop BuriLopburi, Thailand
    1705.5×
  18. 18Khon KaenKhon Kaen, Thailand
    1685.3×
  19. 19Sing BuriSing Buri, Thailand
    1675.3×
  20. 20Si Maha PhotPrachin Buri, Thailand
    1665.2×
  21. 21KalasinKalasin, Thailand
    1665.1×
  22. 22Si Sa KetSi Sa Ket, Thailand
    1655.0×
  23. 23CairoCairo, Egypt
    1644.9×
  24. 24Nong ChokBangkok, Thailand
    1634.9×
  25. 25Buri RamBuriram, Thailand
    1624.8×
  26. 26Chai NatChai Nat, Thailand
    1624.7×
  27. 27Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1624.7×
  28. 28Nakhon LuangPhra Nakhon Si Ayutthaya, Thailand
    1604.6×
  29. 29YasothonYasothon, Thailand
    1604.5×
  30. 30SurinSurin, Thailand
    1594.4×
  31. 31AranyaprathetSa Kaeo, Thailand
    1584.4×
  32. 32Khlong LuangPathum Thani, Thailand
    1584.3×
  33. 33Khlong Sam WaBangkok, Thailand
    1574.3×
  34. 34Ubon RatchathaniUbon Ratchathani, Thailand
    1574.3×
  35. 34Maha SarakhamMaha Sarakham, Thailand
    1574.3×
  36. 36TravnikFederation of B&H, Bosnia and Herzegovina
    1574.3×
  37. 37PhetchabunPhetchabun, Thailand
    1574.3×
  38. 38PhichitPhichit, Thailand
    1574.3×
  39. 39Roi EtRoi Et, Thailand
    1574.3×
  40. 40Khan Na YaoBangkok, Thailand
    1574.3×
  41. 41Nakhon SawanNakhon Sawan, Thailand
    1574.2×
  42. 42Nong Bua LamphuNong Bua Lamphu, Thailand
    1564.2×
  43. 43Nakhon RatchasimaNakhon Ratchasima, Thailand
    1564.2×
  44. 44NanNan, Thailand
    1554.1×
  45. 45TratTrat, Thailand
    1554.1×
  46. 46Lat KrabangBangkok, Thailand
    1554.1×
  47. 47Bueng KumBangkok, Thailand
    1554.0×
  48. 48Bang NaBangkok, Thailand
    1533.9×
  49. 49HyderabadTelangana, India
    1533.9×
  50. 50Bang KapiBangkok, Thailand
    1523.8×
  51. 51Udon ThaniUdon Thani, Thailand
    1523.8×
  52. 52LoeiLoei, Thailand
    1523.8×
  53. 53RatchaburiRatchaburi, Thailand
    1513.7×
  54. 54CodleaBrașov County, Romania
    1493.7×
  55. 55Ulan BatorUlaanbaatar, Mongolia
    1493.7×
  56. 56Lak SiBangkok, Thailand
    1473.6×
  57. 57BaghdadBaghdad, Iraq
    1463.6×
  58. 58Nong KhaemBangkok, Thailand
    1453.6×
  59. 59Mae SotTak, Thailand
    1453.5×
  60. 60DejCluj County, Romania
    1443.5×
  61. 60Almatylow-cost sensorsAlmaty, Kazakhstan
    1443.5×
  62. 62DushanbeDushanbe, Tajikistan
    1443.5×
  63. 63Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1433.5×
  64. 64Sai MaiBangkok, Thailand
    1433.5×
  65. 65KigaliKigali, Rwanda
    1423.5×
  66. 66Saphan SungBangkok, Thailand
    1423.5×
  67. 67AguascalientesAguascalientes, Mexico
    1413.5×
  68. 68Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1413.4×
  69. 69Ban Khlong PrawetBangkok, Thailand
    1403.4×
  70. 70UttaraditUttaradit, Thailand
    1403.4×
  71. 71SaraburiSaraburi, Thailand
    1383.4×
  72. 72YangonYangon, Myanmar
    1363.3×
  73. 73ChanthaburiChanthaburi, Thailand
    1333.2×
  74. 74Kamphaeng PhetKamphaeng Phet, Thailand
    1323.2×
  75. 74BangkokBangkok, Thailand
    1323.2×
  76. 77BucharestBucharest, Romania
    1313.2×
  77. 77PhetchaburiPhetchaburi, Thailand
    1313.2×
  78. 79Phra PradaengSamut Prakan, Thailand
    1303.1×
  79. 80Ban Samae DamBangkok, Thailand
    1293.1×
  80. 81Ban ChangRayong, Thailand
    1273.1×
  81. 82Abujalow-cost sensorsFCT, Nigeria
    1263.0×
  82. 83Mueang NonthaburiNonthaburi, Thailand
    1253.0×
  83. 84PhraePhrae, Thailand
    1243.0×
  84. 85MukdahanMukdahan, Thailand
    1243.0×
  85. 86LampangLampang, Thailand
    1233.0×
  86. 87Amnat CharoenAmnat Charoen, Thailand
    1212.9×
  87. 88RayongRayong, Thailand
    1202.9×
  88. 89Sakon NakhonSakon Nakhon, Thailand
    1182.8×
  89. 90Nakhon NayokNakhon Nayok, Thailand
    1162.8×
  90. 91XonacatlánMéxico, Mexico
    1152.7×
  91. 92LazarevacCentral Serbia, Serbia
    1132.7×
  92. 92Bang Bo DistrictSamut Prakan, Thailand
    1132.7×
  93. 94Laem ChabangChon Buri, Thailand
    1132.7×
  94. 95Suphan BuriSuphan Buri, Thailand
    1102.6×
  95. 96ChennaiTamil Nadu, India
    1092.6×
  96. 97Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1082.6×
  97. 98Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1072.5×
  98. 99Prince GeorgeBritish Columbia, Canada
    1062.5×
  99. 100PhayaoPhayao, Thailand
    1062.5×
  100. 101Samut SakhonSamut Sakhon, Thailand
    1032.4×
  101. 103Ban PhaeoSamut Sakhon, Thailand
    1022.4×
  102. 104RacibórzSilesia, Poland
    1022.4×
  103. 105SarajevoFederation of B&H, Bosnia and Herzegovina
    1012.4×
  104. 106BeijingBeijing, China
    1002.3×
  105. 107ZemunCentral Serbia, Serbia
    992.3×
  106. 108KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    992.3×
  107. 109Samut PrakanSamut Prakan, Thailand
    982.3×
  108. 109Ciudad Benito JuárezNuevo León, Mexico
    982.3×
  109. 111Addis AbabaAddis Ababa, Ethiopia
    982.3×
  110. 112OpoleOpole Voivodeship, Poland
    972.3×
  111. 113PátraWest Greece, Greece
    962.2×
  112. 114AstanaAstana, Kazakhstan
    962.2×
  113. 115Istanbullow-cost sensorsIstanbul, Turkey
    962.2×
  114. 116ShanghaiShanghai, China
    952.2×
  115. 116ZgierzŁódź Voivodeship, Poland
    952.2×
  116. 118CraiovaDolj, Romania
    942.1×
  117. 118IrapuatoGuanajuato, Mexico
    942.1×
  118. 120ChaozhouTaiwan, Taiwan
    932.1×
  119. 121Nakhon PathomNakhon Pathom, Thailand
    932.1×
  120. 122AugustówPodlasie, Poland
    932.1×
  121. 123ChumphonChumphon, Thailand
    922.1×
  122. 123Silao de la VictoriaGuanajuato, Mexico
    922.1×
  123. 125KanchanaburiKanchanaburi, Thailand
    912.1×
  124. 126Czechowice-DziedziceSilesia, Poland
    912.0×
  125. 127NacimientoBiobio, Chile
    912.0×
  126. 128WłocławekKujawsko-Pomorskie, Poland
    912.0×
  127. 129KaohsiungTakao, Taiwan
    892.0×
  128. 130FengshanTakao, Taiwan
    892.0×
  129. 130PalmaBalearic Islands, Spain
    892.0×
  130. 132LučenecBanská Bystrica Region, Slovakia
    892.0×
  131. 133MiskolcBorsod-Abaúj-Zemplén, Hungary
    881.9×
  132. 133Chiang RaiChiang Rai, Thailand
    881.9×
  133. 135Mae SaiChiang Rai, Thailand
    871.9×
  134. 136Puente AltoSantiago Metropolitan, Chile
    871.9×
  135. 137AshgabatAshgabat, Turkmenistan
    871.9×
  136. 137SantiagoSantiago Metropolitan, Chile
    871.9×
  137. 139OlsztynWarmia-Masuria, Poland
    861.9×
  138. 139KutnoŁódź Voivodeship, Poland
    861.9×
  139. 141ElblągWarmia-Masuria, Poland
    861.9×
  140. 142KrotoszynGreater Poland, Poland
    861.9×
  141. 143RanongRanong province, Thailand
    861.8×
  142. 143Ecatepec de MorelosMéxico, Mexico
    861.8×
  143. 145Quezon Citylow-cost sensorsNational Capital Region, Philippines
    851.8×
  144. 146Ciudad NezahualcoyotlMéxico, Mexico
    851.8×
  145. 147ObrenovacCentral Serbia, Serbia
    851.8×
  146. 147LamphunLamphun, Thailand
    851.8×
  147. 147ParklandWashington, United States
    851.8×
  148. 150KošiceKošice Region, Slovakia
    851.8×
  149. 150BirminghamAlabama, United States
    851.8×
  150. 152ColomboWestern Province, Sri Lanka
    841.8×
  151. 152KrakówLesser Poland, Poland
    841.8×
  152. 152Jastrzębie ZdrójSilesia, Poland
    841.8×
  153. 156Cluj-NapocaCluj County, Romania
    841.8×
  154. 156TrebišovKošice Region, Slovakia
    841.8×
  155. 158Chiayi CityTaiwan, Taiwan
    831.8×
  156. 159RuseRuse, Bulgaria
    821.7×
  157. 160BelgradeCentral Serbia, Serbia
    821.7×
  158. 161ŁódźŁódź Voivodeship, Poland
    821.7×
  159. 162OlomoucOlomouc Region, Czechia
    821.7×
  160. 163KatowiceSilesia, Poland
    821.7×
  161. 164PančevoVojvodina, Serbia
    811.7×
  162. 165Hua HinPrachuap Khiri Khan, Thailand
    801.7×
  163. 165Banská BystricaBanská Bystrica Region, Slovakia
    801.7×
  164. 167AbasoloGuanajuato, Mexico
    801.7×
  165. 168OtwockMazovia, Poland
    801.6×
  166. 169MaputoMaputo City, Mozambique
    801.6×
  167. 169ToruńKujawsko-Pomorskie, Poland
    801.6×
  168. 171PezinokBratislava Region, Slovakia
    801.6×
  169. 171ChiguayanteBiobio, Chile
    801.6×
  170. 173PassauBavaria, Germany
    791.6×
  171. 174AmmanAmman, Jordan
    791.6×
  172. 174AugustaGeorgia, United States
    791.6×
  173. 176DouliuTaiwan, Taiwan
    781.6×
  174. 176PécsBaranya, Hungary
    781.6×
  175. 178MonterreyNuevo León, Mexico
    781.6×
  176. 179LitvínovÚstí nad Labem Region, Czechia
    781.6×
  177. 180Kędzierzyn-KoźleOpole Voivodeship, Poland
    781.6×
  178. 181TainanTaiwan, Taiwan
    781.6×
  179. 181QuillotaValparaiso, Chile
    781.6×
  180. 183CelayaGuanajuato, Mexico
    771.6×
  181. 184Chiang MaiChiang Mai, Thailand
    771.5×
  182. 185TocopillaAntofagasta, Chile
    771.5×
  183. 187TraunUpper Austria, Austria
    771.5×
  184. 187ŚwiecieKujawsko-Pomorskie, Poland
    771.5×
  185. 189KielceŚwiętokrzyskie, Poland
    771.5×
  186. 190Viña del MarValparaiso, Chile
    771.5×
  187. 191KościerzynaPomerania, Poland
    761.5×
  188. 192TepliceÚstí nad Labem Region, Czechia
    761.5×
  189. 193ZnojmoSouth Moravian, Czechia
    761.5×
  190. 193TalaganteSantiago Metropolitan, Chile
    761.5×
  191. 195ŁaskŁódź Voivodeship, Poland
    751.5×
  192. 195KaliszGreater Poland, Poland
    751.5×
  193. 195CoquimboCoquimbo Region, Chile
    751.5×
  194. 195Jardines de la SillaNuevo León, Mexico
    751.5×
  195. 199NitraNitra Region, Slovakia
    751.5×
  196. 200PoznańGreater Poland, Poland
    751.5×

Top 200 of 2,256 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 26, 2025, smogrank.com/history/2025-01-26 (accessed 2 Oct 2026).

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