SmogRank / History / January 6, 2025

Most polluted cities on January 6, 2025

2,325 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 243.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 6, 2025. All episodes.

← Lahore 243.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for January 6, 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
    33616.2×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    30815.3×
  3. 3N'DjamenaN’Djaména, Chad
    30415.1×
  4. 4UžiceCentral Serbia, Serbia
    28814.2×
  5. 5Novi PazarCentral Serbia, Serbia
    27413.3×
  6. 6KolkataWest Bengal, India
    26012.3×
  7. 7KraljevoCentral Serbia, Serbia
    22510.0×
  8. 8NegotinCentral Serbia, Serbia
    2249.9×
  9. 9Karachilow-cost sensorsSindh, Pakistan
    2209.7×
  10. 10Kampalalow-cost sensorsCentral Region, Uganda
    2139.2×
  11. 11DushanbeDushanbe, Tajikistan
    2028.5×
  12. 12ČačakCentral Serbia, Serbia
    2018.4×
  13. 13NišCentral Serbia, Serbia
    1947.8×
  14. 14HanoiHanoi, Vietnam
    1897.3×
  15. 15Kathmandulow-cost sensorsBagmati Province, Nepal
    1867.0×
  16. 16ValjevoCentral Serbia, Serbia
    1867.0×
  17. 17HyderabadTelangana, India
    1796.3×
  18. 18PristinaPristina, Kosovo
    1766.1×
  19. 19ChennaiTamil Nadu, India
    1745.9×
  20. 20PirotCentral Serbia, Serbia
    1735.8×
  21. 21ShenyangLiaoning, China
    1705.5×
  22. 22Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1705.5×
  23. 23KragujevacCentral Serbia, Serbia
    1695.4×
  24. 24MumbaiMaharashtra, India
    1634.9×
  25. 26Islamabadlow-cost sensorsIslamabad, Pakistan
    1624.8×
  26. 27ShanghaiShanghai, China
    1614.6×
  27. 28Yerevanlow-cost sensorsYerevan, Armenia
    1604.6×
  28. 29Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1574.3×
  29. 30BaghdadBaghdad, Iraq
    1574.3×
  30. 31CodleaBrașov County, Romania
    1574.2×
  31. 32GuangzhouGuangdong, China
    1544.0×
  32. 33RuseRuse, Bulgaria
    1523.8×
  33. 34Almatylow-cost sensorsAlmaty, Kazakhstan
    1523.8×
  34. 35MurciaMurcia, Spain
    1423.5×
  35. 36Tuen MunTuen Mun, Hong Kong
    1413.4×
  36. 37KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1403.4×
  37. 37Nong KhaemBangkok, Thailand
    1403.4×
  38. 39Khlong Sam WaBangkok, Thailand
    1383.4×
  39. 40BerounCentral Bohemia, Czechia
    1353.3×
  40. 41Tin Shui WaiYuen Long, Hong Kong
    1343.3×
  41. 42Dubailow-cost sensorsDubai, United Arab Emirates
    1343.3×
  42. 43PubalGyeonggi-do, South Korea
    1303.2×
  43. 44Lak SiBangkok, Thailand
    1303.1×
  44. 45Mueang NonthaburiNonthaburi, Thailand
    1273.1×
  45. 46SalorTashkent Region, Uzbekistan
    1263.0×
  46. 46Ban Samae DamBangkok, Thailand
    1263.0×
  47. 48YangonYangon, Myanmar
    1253.0×
  48. 48Yangp'yŏngGyeonggi-do, South Korea
    1253.0×
  49. 50SarajevoFederation of B&H, Bosnia and Herzegovina
    1253.0×
  50. 51YeongjuGyeongsangbuk-do, South Korea
    1243.0×
  51. 51Khan Na YaoBangkok, Thailand
    1243.0×
  52. 53Bueng KumBangkok, Thailand
    1233.0×
  53. 54KigaliKigali, Rwanda
    1222.9×
  54. 55CheorwonGangwon-do, South Korea
    1202.9×
  55. 56Hongch’ŏnGangwon-do, South Korea
    1202.9×
  56. 57GimcheonGyeongsangbuk-do, South Korea
    1192.9×
  57. 58Bucheon-siGyeonggi-do, South Korea
    1192.9×
  58. 59CairoCairo, Egypt
    1192.9×
  59. 59San Tung Chung HangIslands, Hong Kong
    1192.9×
  60. 61YeojuGyeonggi-do, South Korea
    1192.8×
  61. 61GumiGyeongsangbuk-do, South Korea
    1192.8×
  62. 61LučenecBanská Bystrica Region, Slovakia
    1192.8×
  63. 64BangkokBangkok, Thailand
    1182.8×
  64. 64Sai MaiBangkok, Thailand
    1182.8×
  65. 66Gimpo-siGyeonggi-do, South Korea
    1182.8×
  66. 67Saphan SungBangkok, Thailand
    1172.8×
  67. 68Icheon-siGyeonggi-do, South Korea
    1152.8×
  68. 69Bang KapiBangkok, Thailand
    1152.7×
  69. 70Goyang-siGyeonggi-do, South Korea
    1142.7×
  70. 71Anyang-siGyeonggi-do, South Korea
    1142.7×
  71. 71PilsenPlzeň Region, Czechia
    1142.7×
  72. 73ChungjuNorth Chungcheong, South Korea
    1132.7×
  73. 74PohangGyeongsangbuk-do, South Korea
    1132.7×
  74. 74GwangjuGyeonggi-do, South Korea
    1132.7×
  75. 76SeonghwanChungcheongnam-do, South Korea
    1122.7×
  76. 76Seongnam-siGyeonggi-do, South Korea
    1122.7×
  77. 76Lat KrabangBangkok, Thailand
    1122.7×
  78. 79HwadoGyeonggi-do, South Korea
    1122.7×
  79. 80KinzanChungcheongnam-do, South Korea
    1122.7×
  80. 81SuwonGyeonggi-do, South Korea
    1112.6×
  81. 82Ban Khlong PrawetBangkok, Thailand
    1112.6×
  82. 83Istanbullow-cost sensorsIstanbul, Turkey
    1112.6×
  83. 84Nong ChokBangkok, Thailand
    1102.6×
  84. 85Wan ChaiWan Chai, Hong Kong
    1102.6×
  85. 86LazarevacCentral Serbia, Serbia
    1082.6×
  86. 86WanjuJeollabuk-do, South Korea
    1082.6×
  87. 88WabuGyeonggi-do, South Korea
    1072.5×
  88. 89MunsanGyeonggi-do, South Korea
    1072.5×
  89. 89ChuncheonGangwon-do, South Korea
    1072.5×
  90. 91Sevlievolow-cost sensorsGabrovo, Bulgaria
    1062.5×
  91. 91Mong KokYau Tsim Mong District, Hong Kong
    1062.5×
  92. 93OsanGyeonggi-do, South Korea
    1052.5×
  93. 94YeonilGyeongsangbuk-do, South Korea
    1052.5×
  94. 94YangguGangwon-do, South Korea
    1052.5×
  95. 96PyeongtaekGyeonggi-do, South Korea
    1052.5×
  96. 96Gyeongsan-siGyeongsangbuk-do, South Korea
    1052.5×
  97. 96Ansan-siGyeonggi-do, South Korea
    1052.5×
  98. 99SangjuGyeongsangbuk-do, South Korea
    1042.5×
  99. 100Ganghwa-gunIncheon, South Korea
    1042.4×
  100. 100Chinch'ŏnNorth Chungcheong, South Korea
    1042.4×
  101. 102IncheonIncheon, South Korea
    1042.4×
  102. 103YeongdongNorth Chungcheong, South Korea
    1032.4×
  103. 105CraiovaDolj, Romania
    1032.4×
  104. 106WŏnjuGangwon-do, South Korea
    1032.4×
  105. 106Accralow-cost sensorsGreater Accra, Ghana
    1032.4×
  106. 108AnseongGyeonggi-do, South Korea
    1022.4×
  107. 109MiskolcBorsod-Abaúj-Zemplén, Hungary
    1022.4×
  108. 109MungyeongGyeongsangbuk-do, South Korea
    1022.4×
  109. 111JungpyongNorth Chungcheong, South Korea
    1022.4×
  110. 111GwangmyeongGyeonggi-do, South Korea
    1022.4×
  111. 113BusanBusan, South Korea
    1012.4×
  112. 114Tai PoTai Po, Hong Kong
    1012.4×
  113. 114Kwai ChungKwai Tsing District, Hong Kong
    1012.4×
  114. 114Molina de SeguraMurcia, Spain
    1012.4×
  115. 117Addis AbabaAddis Ababa, Ethiopia
    1012.4×
  116. 117AndongGyeongsangbuk-do, South Korea
    1012.4×
  117. 119SeoulSeoul, South Korea
    1002.4×
  118. 120NeietsuGangwon-do, South Korea
    1002.4×
  119. 120HayangGyeongsangbuk-do, South Korea
    1002.4×
  120. 122SmederevoCentral Serbia, Serbia
    1002.3×
  121. 122Banja LukaSrpska, Bosnia and Herzegovina
    1002.3×
  122. 124Haskovolow-cost sensorsHaskovo, Bulgaria
    992.3×
  123. 124ChangsuJeollabuk-do, South Korea
    992.3×
  124. 126GunsanJeollabuk-do, South Korea
    992.3×
  125. 127FengshanTakao, Taiwan
    992.3×
  126. 128KoesanNorth Chungcheong, South Korea
    992.3×
  127. 128RužomberokŽilina Region, Slovakia
    992.3×
  128. 130WaegwanGyeongsangbuk-do, South Korea
    982.3×
  129. 131Sham Shui PoSham Shui Po District, Hong Kong
    982.3×
  130. 132Hwaseong-siGyeonggi-do, South Korea
    982.3×
  131. 133TongyeongGyeongsangnam-do, South Korea
    982.3×
  132. 134EisenGyeongsangbuk-do, South Korea
    972.3×
  133. 134Guri-siGyeonggi-do, South Korea
    972.3×
  134. 136DejCluj County, Romania
    972.3×
  135. 137Cheongju-siNorth Chungcheong, South Korea
    972.3×
  136. 137Jeju CityJeju-do, South Korea
    972.3×
  137. 139FanlingNorth District, Hong Kong
    972.2×
  138. 139AsanChungcheongnam-do, South Korea
    972.2×
  139. 141PančevoVojvodina, Serbia
    972.2×
  140. 141Czechowice-DziedziceSilesia, Poland
    972.2×
  141. 143GijangBusan, South Korea
    962.2×
  142. 143Silao de la VictoriaGuanajuato, Mexico
    962.2×
  143. 143SeogwipoJeju-do, South Korea
    962.2×
  144. 143YamanashiYamanashi, Japan
    962.2×
  145. 147UlsanUlsan, South Korea
    962.2×
  146. 148KaohsiungTakao, Taiwan
    962.2×
  147. 148Tsuen WanTsuen Wan, Hong Kong
    962.2×
  148. 150AthensAttica, Greece
    952.2×
  149. 151SinanJeollanam-do, South Korea
    952.2×
  150. 152VictoriaCentral and Western, Hong Kong
    952.2×
  151. 153YecheonGyeongsangbuk-do, South Korea
    952.2×
  152. 154BuanJeollabuk-do, South Korea
    942.2×
  153. 155SofiaSofia-Capital, Bulgaria
    942.2×
  154. 156Bang NaBangkok, Thailand
    942.1×
  155. 156GaigeturiJeju-do, South Korea
    942.1×
  156. 156TocopillaAntofagasta, Chile
    942.1×
  157. 159Sau Mau PingKwun Tong District, Hong Kong
    942.1×
  158. 159OkcheonNorth Chungcheong, South Korea
    942.1×
  159. 161DaeguDaegu, South Korea
    932.1×
  160. 162Dimitrovgradlow-cost sensorsHaskovo, Bulgaria
    932.1×
  161. 162Sha TinSha Tin, Hong Kong
    932.1×
  162. 162Ciudad NezahualcoyotlMéxico, Mexico
    932.1×
  163. 165KošiceKošice Region, Slovakia
    932.1×
  164. 165BoryeongChungcheongnam-do, South Korea
    932.1×
  165. 165Cheongsong gunGyeongsangbuk-do, South Korea
    932.1×
  166. 168YangjuGyeonggi-do, South Korea
    932.1×
  167. 168TangjinChungcheongnam-do, South Korea
    932.1×
  168. 168Liptovský Mikulᚎilina Region, Slovakia
    932.1×
  169. 168ZgierzŁódź Voivodeship, Poland
    932.1×
  170. 172JinchengFukien, Taiwan
    932.1×
  171. 172IksanJeollabuk-do, South Korea
    932.1×
  172. 174KosongGangwon-do, South Korea
    922.1×
  173. 174KimjeJeollabuk-do, South Korea
    922.1×
  174. 176GapyeongGyeonggi-do, South Korea
    922.1×
  175. 177NamyangjuGyeonggi-do, South Korea
    922.1×
  176. 178Uijeongbu-siGyeonggi-do, South Korea
    912.1×
  177. 179Donghae CityGangwon-do, South Korea
    912.0×
  178. 180SantyokuGangwon-do, South Korea
    912.0×
  179. 180OlomoucOlomouc Region, Czechia
    912.0×
  180. 182GyeongjuGyeongsangbuk-do, South Korea
    912.0×
  181. 183ZvolenBanská Bystrica Region, Slovakia
    902.0×
  182. 183GeojeGyeongsangnam-do, South Korea
    902.0×
  183. 185UngsangGyeongsangnam-do, South Korea
    902.0×
  184. 186Medina Estateslow-cost sensorsGreater Accra, Ghana
    902.0×
  185. 187KimhaeGyeongsangnam-do, South Korea
    902.0×
  186. 187CheonanChungcheongnam-do, South Korea
    902.0×
  187. 187NaesŏGyeongsangnam-do, South Korea
    902.0×
  188. 190KunwiGyeongsangbuk-do, South Korea
    902.0×
  189. 190BellinzonaTicino, Switzerland
    902.0×
  190. 190DěčínÚstí nad Labem Region, Czechia
    902.0×
  191. 193ChaozhouTaiwan, Taiwan
    902.0×
  192. 193TsuchiuraIbaraki, Japan
    902.0×
  193. 195ZnojmoSouth Moravian, Czechia
    892.0×
  194. 196MiryangGyeongsangnam-do, South Korea
    892.0×
  195. 196Koch'angJeollabuk-do, South Korea
    892.0×
  196. 196Ecatepec de MorelosMéxico, Mexico
    892.0×
  197. 199Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    892.0×
  198. 199PřerovOlomouc Region, Czechia
    892.0×

Top 200 of 2,325 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 6, 2025, smogrank.com/history/2025-01-06 (accessed 2 Oct 2026).

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