SmogRank / History / January 24, 2025

Most polluted cities on January 24, 2025

2,367 cities ranked by their average PM2.5 over the day; the worst was Dhaka, Bangladesh, at 231.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 24, 2025. All episodes.

← Dhaka 231.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for January 24, 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. 1Dhakalow-cost sensorsDhaka Division, Bangladesh
    31215.4×
  2. 2KolkataWest Bengal, India
    27913.6×
  3. 3Novi PazarCentral Serbia, Serbia
    2139.2×
  4. 4Kampalalow-cost sensorsCentral Region, Uganda
    2098.9×
  5. 5Lahorelow-cost sensorsPunjab, Pakistan
    1988.2×
  6. 6Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    1978.0×
  7. 7Khlong LuangPathum Thani, Thailand
    1947.8×
  8. 8NegotinCentral Serbia, Serbia
    1937.7×
  9. 8Nakhon LuangPhra Nakhon Si Ayutthaya, Thailand
    1937.7×
  10. 10Bueng KumBangkok, Thailand
    1877.1×
  11. 11Abujalow-cost sensorsFCT, Nigeria
    1867.1×
  12. 12Prachin BuriPrachin Buri, Thailand
    1856.9×
  13. 12Khan Na YaoBangkok, Thailand
    1856.9×
  14. 14Nong KhaemBangkok, Thailand
    1856.9×
  15. 15KraljevoCentral Serbia, Serbia
    1846.8×
  16. 15Samut SakhonSamut Sakhon, Thailand
    1846.8×
  17. 17MumbaiMaharashtra, India
    1836.7×
  18. 17Bang NaBangkok, Thailand
    1836.7×
  19. 17Khlong Sam WaBangkok, Thailand
    1836.7×
  20. 20Chai NatChai Nat, Thailand
    1826.7×
  21. 21Nong ChokBangkok, Thailand
    1816.6×
  22. 22Sing BuriSing Buri, Thailand
    1806.5×
  23. 23PhetchaburiPhetchaburi, Thailand
    1796.4×
  24. 24Bang KapiBangkok, Thailand
    1786.3×
  25. 25Lak SiBangkok, Thailand
    1776.2×
  26. 26Lop BuriLopburi, Thailand
    1776.1×
  27. 27DelhiDelhi, India
    1766.1×
  28. 29Ban PhaeoSamut Sakhon, Thailand
    1756.0×
  29. 29Lat KrabangBangkok, Thailand
    1756.0×
  30. 31BeijingBeijing, China
    1745.9×
  31. 32Ban Khlong PrawetBangkok, Thailand
    1745.9×
  32. 33Si Maha PhotPrachin Buri, Thailand
    1745.9×
  33. 34Sai MaiBangkok, Thailand
    1735.8×
  34. 35Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1735.8×
  35. 36Yerevanlow-cost sensorsYerevan, Armenia
    1725.7×
  36. 37RatchaburiRatchaburi, Thailand
    1725.7×
  37. 38SukhothaiSukhothai, Thailand
    1715.6×
  38. 39Mueang NonthaburiNonthaburi, Thailand
    1715.6×
  39. 40Ban ChangRayong, Thailand
    1705.5×
  40. 41Phra PradaengSamut Prakan, Thailand
    1695.4×
  41. 42BangkokBangkok, Thailand
    1695.4×
  42. 43SaraburiSaraburi, Thailand
    1695.4×
  43. 44Ban Samae DamBangkok, Thailand
    1685.3×
  44. 45Kathmandulow-cost sensorsBagmati Province, Nepal
    1675.2×
  45. 46N'DjamenaN’Djaména, Chad
    1675.2×
  46. 47Ban Talat BuengChon Buri, Thailand
    1665.1×
  47. 47AranyaprathetSa Kaeo, Thailand
    1665.1×
  48. 49KalasinKalasin, Thailand
    1655.0×
  49. 50UžiceCentral Serbia, Serbia
    1644.9×
  50. 51Nakhon PathomNakhon Pathom, Thailand
    1634.8×
  51. 51Khon KaenKhon Kaen, Thailand
    1634.8×
  52. 53Laem ChabangChon Buri, Thailand
    1604.5×
  53. 54PirotCentral Serbia, Serbia
    1604.5×
  54. 55ShenyangLiaoning, China
    1604.5×
  55. 56ČačakCentral Serbia, Serbia
    1604.5×
  56. 57Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1594.4×
  57. 58Islamabadlow-cost sensorsIslamabad, Pakistan
    1574.3×
  58. 59YasothonYasothon, Thailand
    1574.3×
  59. 60Nakhon SawanNakhon Sawan, Thailand
    1564.2×
  60. 61Ubon RatchathaniUbon Ratchathani, Thailand
    1564.2×
  61. 61Nakhon RatchasimaNakhon Ratchasima, Thailand
    1564.2×
  62. 63ChaiyaphumChaiyaphum, Thailand
    1564.2×
  63. 64RayongRayong, Thailand
    1564.2×
  64. 65Mae SotTak, Thailand
    1564.2×
  65. 66BaghdadBaghdad, Iraq
    1564.1×
  66. 67Karachilow-cost sensorsSindh, Pakistan
    1554.1×
  67. 68Suphan BuriSuphan Buri, Thailand
    1554.1×
  68. 69PhichitPhichit, Thailand
    1554.1×
  69. 70UttaraditUttaradit, Thailand
    1554.1×
  70. 71Udon ThaniUdon Thani, Thailand
    1554.1×
  71. 72TratTrat, Thailand
    1544.0×
  72. 73Samut PrakanSamut Prakan, Thailand
    1544.0×
  73. 74Nong Bua LamphuNong Bua Lamphu, Thailand
    1544.0×
  74. 75Si Sa KetSi Sa Ket, Thailand
    1544.0×
  75. 76ValjevoCentral Serbia, Serbia
    1533.9×
  76. 77LazarevacCentral Serbia, Serbia
    1533.9×
  77. 77PhetchabunPhetchabun, Thailand
    1533.9×
  78. 79Maha SarakhamMaha Sarakham, Thailand
    1533.9×
  79. 80NišCentral Serbia, Serbia
    1523.8×
  80. 81Nakhon NayokNakhon Nayok, Thailand
    1523.8×
  81. 82Roi EtRoi Et, Thailand
    1523.8×
  82. 83NanNan, Thailand
    1513.7×
  83. 84ChanthaburiChanthaburi, Thailand
    1513.7×
  84. 85DushanbeDushanbe, Tajikistan
    1503.7×
  85. 86SurinSurin, Thailand
    1503.7×
  86. 87Tomaszów LubelskiLublin, Poland
    1493.7×
  87. 88SalorTashkent Region, Uzbekistan
    1493.7×
  88. 89SmederevoCentral Serbia, Serbia
    1483.6×
  89. 90LoeiLoei, Thailand
    1483.6×
  90. 91HyderabadTelangana, India
    1473.6×
  91. 92KragujevacCentral Serbia, Serbia
    1473.6×
  92. 93Buri RamBuriram, Thailand
    1433.5×
  93. 94LampangLampang, Thailand
    1423.5×
  94. 95HanoiHanoi, Vietnam
    1403.4×
  95. 95PhraePhrae, Thailand
    1403.4×
  96. 97KanchanaburiKanchanaburi, Thailand
    1403.4×
  97. 98MukdahanMukdahan, Thailand
    1373.3×
  98. 99PančevoVojvodina, Serbia
    1353.3×
  99. 100SarajevoFederation of B&H, Bosnia and Herzegovina
    1343.3×
  100. 101SeonghwanChungcheongnam-do, South Korea
    1343.2×
  101. 102ObrenovacCentral Serbia, Serbia
    1333.2×
  102. 103ZemunCentral Serbia, Serbia
    1323.2×
  103. 104CodleaBrașov County, Romania
    1313.2×
  104. 105Kamphaeng PhetKamphaeng Phet, Thailand
    1303.1×
  105. 106PhayaoPhayao, Thailand
    1293.1×
  106. 107PubalGyeonggi-do, South Korea
    1293.1×
  107. 108JungpyongNorth Chungcheong, South Korea
    1263.0×
  108. 109CairoCairo, Egypt
    1263.0×
  109. 110XonacatlánMéxico, Mexico
    1233.0×
  110. 111Amnat CharoenAmnat Charoen, Thailand
    1212.9×
  111. 112KigaliKigali, Rwanda
    1212.9×
  112. 113Haskovolow-cost sensorsHaskovo, Bulgaria
    1202.9×
  113. 114BelgradeCentral Serbia, Serbia
    1202.9×
  114. 114YangonYangon, Myanmar
    1202.9×
  115. 114PyeongtaekGyeonggi-do, South Korea
    1202.9×
  116. 117ThessaloníkiCentral Macedonia, Greece
    1192.8×
  117. 118ChumphonChumphon, Thailand
    1182.8×
  118. 119Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1182.8×
  119. 120ĆuprijaCentral Serbia, Serbia
    1172.8×
  120. 121GuangzhouGuangdong, China
    1172.8×
  121. 122LitvínovÚstí nad Labem Region, Czechia
    1162.8×
  122. 123Hat YaiSongkhla, Thailand
    1152.7×
  123. 124AugustówPodlasie, Poland
    1142.7×
  124. 125NonsanChungcheongnam-do, South Korea
    1142.7×
  125. 126AguascalientesAguascalientes, Mexico
    1132.7×
  126. 127SremčicaCentral Serbia, Serbia
    1132.7×
  127. 128Naucalpan de JuárezMéxico, Mexico
    1122.7×
  128. 129YesanChungcheongnam-do, South Korea
    1122.7×
  129. 130RzeszówSubcarpathia, Poland
    1112.6×
  130. 130Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1112.6×
  131. 132LamphunLamphun, Thailand
    1112.6×
  132. 132Banja LukaSrpska, Bosnia and Herzegovina
    1112.6×
  133. 134Cheongju-siNorth Chungcheong, South Korea
    1112.6×
  134. 135ChennaiTamil Nadu, India
    1102.6×
  135. 136VarnaVarna, Bulgaria
    1102.6×
  136. 137LublinLublin, Poland
    1092.6×
  137. 138IaşiIași County, Romania
    1082.6×
  138. 139DejCluj County, Romania
    1082.5×
  139. 139AnseongGyeonggi-do, South Korea
    1082.5×
  140. 141ChungjuNorth Chungcheong, South Korea
    1072.5×
  141. 142ŻywiecSilesia, Poland
    1062.5×
  142. 143Dimitrovgradlow-cost sensorsHaskovo, Bulgaria
    1052.5×
  143. 143KimjeJeollabuk-do, South Korea
    1052.5×
  144. 145YeojuGyeonggi-do, South Korea
    1052.5×
  145. 145HongseongChungcheongnam-do, South Korea
    1052.5×
  146. 147Sakon NakhonSakon Nakhon, Thailand
    1052.5×
  147. 147WŏnjuGangwon-do, South Korea
    1052.5×
  148. 149FutogVojvodina, Serbia
    1042.5×
  149. 151SejongSejong-si, South Korea
    1032.4×
  150. 152TangjinChungcheongnam-do, South Korea
    1032.4×
  151. 152AsanChungcheongnam-do, South Korea
    1032.4×
  152. 154Ganghwa-gunIncheon, South Korea
    1032.4×
  153. 155Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1022.4×
  154. 155SeogwipoJeju-do, South Korea
    1022.4×
  155. 157KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1022.4×
  156. 157KinzanChungcheongnam-do, South Korea
    1022.4×
  157. 157KoesanNorth Chungcheong, South Korea
    1022.4×
  158. 160CheonanChungcheongnam-do, South Korea
    1022.4×
  159. 161Icheon-siGyeonggi-do, South Korea
    1012.4×
  160. 161NiihamaEhime, Japan
    1012.4×
  161. 161SaijōEhime, Japan
    1012.4×
  162. 161ImabariEhime, Japan
    1012.4×
  163. 165ShikokuchūōEhime, Japan
    1002.4×
  164. 166KaohsiungTakao, Taiwan
    1002.3×
  165. 167Mae SaiChiang Rai, Thailand
    992.3×
  166. 167Chinch'ŏnNorth Chungcheong, South Korea
    992.3×
  167. 169Almatylow-cost sensorsAlmaty, Kazakhstan
    992.3×
  168. 170Hua HinPrachuap Khiri Khan, Thailand
    992.3×
  169. 171HanfordCalifornia, United States
    992.3×
  170. 172AthensAttica, Greece
    982.3×
  171. 173OkcheonNorth Chungcheong, South Korea
    982.3×
  172. 174Shin’ichiHiroshima, Japan
    982.3×
  173. 175OnomichiHiroshima, Japan
    982.3×
  174. 176IncheonIncheon, South Korea
    972.3×
  175. 176Mexico CityMexico City, Mexico
    972.3×
  176. 178Istanbullow-cost sensorsIstanbul, Turkey
    972.3×
  177. 179YŏnmuChungcheongnam-do, South Korea
    972.2×
  178. 180YeongdongNorth Chungcheong, South Korea
    962.2×
  179. 180IksanJeollabuk-do, South Korea
    962.2×
  180. 182JasłoSubcarpathia, Poland
    962.2×
  181. 182Novi SadVojvodina, Serbia
    962.2×
  182. 184FengshanTakao, Taiwan
    962.2×
  183. 184BoryeongChungcheongnam-do, South Korea
    962.2×
  184. 186NiskoSubcarpathia, Poland
    962.2×
  185. 186WanjuJeollabuk-do, South Korea
    962.2×
  186. 186Gimpo-siGyeonggi-do, South Korea
    962.2×
  187. 186Accralow-cost sensorsGreater Accra, Ghana
    962.2×
  188. 190CraiovaDolj, Romania
    952.2×
  189. 190Chiang MaiChiang Mai, Thailand
    952.2×
  190. 190Chiayi CityTaiwan, Taiwan
    952.2×
  191. 190Hwaseong-siGyeonggi-do, South Korea
    952.2×
  192. 194JarosławSubcarpathia, Poland
    952.2×
  193. 194GwangmyeongGyeonggi-do, South Korea
    952.2×
  194. 196MiskolcBorsod-Abaúj-Zemplén, Hungary
    952.2×
  195. 196OtwockMazovia, Poland
    952.2×
  196. 196ChaozhouTaiwan, Taiwan
    952.2×
  197. 199BuanJeollabuk-do, South Korea
    952.2×
  198. 199JeongeupJeollabuk-do, South Korea
    952.2×

Top 200 of 2,367 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 24, 2025, smogrank.com/history/2025-01-24 (accessed 2 Oct 2026).

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