SmogRank / History / January 14, 2025

Most polluted cities on January 14, 2025

2,140 cities ranked by their average PM2.5 over the day; the worst was Kolkata, India, at 227.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 14, 2025. All episodes.

← Kolkata 227.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for January 14, 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. 1KolkataWest Bengal, India
    30415.1×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    26012.3×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    25311.9×
  4. 4DelhiDelhi, India
    23410.6×
  5. 5Kampalalow-cost sensorsCentral Region, Uganda
    23310.5×
  6. 6Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    2239.9×
  7. 7Islamabadlow-cost sensorsIslamabad, Pakistan
    2078.8×
  8. 8N'DjamenaN’Djaména, Chad
    1988.1×
  9. 9Karachilow-cost sensorsSindh, Pakistan
    1937.7×
  10. 10Abujalow-cost sensorsFCT, Nigeria
    1907.4×
  11. 11CairoCairo, Egypt
    1846.9×
  12. 12HanoiHanoi, Vietnam
    1796.4×
  13. 13Kathmandulow-cost sensorsBagmati Province, Nepal
    1776.2×
  14. 14DushanbeDushanbe, Tajikistan
    1766.1×
  15. 15Almatylow-cost sensorsAlmaty, Kazakhstan
    1756.0×
  16. 16Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1695.4×
  17. 17ShanghaiShanghai, China
    1685.3×
  18. 19HyderabadTelangana, India
    1624.8×
  19. 20NegotinCentral Serbia, Serbia
    1604.6×
  20. 21MumbaiMaharashtra, India
    1604.5×
  21. 22BaghdadBaghdad, Iraq
    1594.5×
  22. 23Novi PazarCentral Serbia, Serbia
    1594.5×
  23. 24KigaliKigali, Rwanda
    1584.4×
  24. 25Ulan BatorUlaanbaatar, Mongolia
    1564.2×
  25. 26YangonYangon, Myanmar
    1533.9×
  26. 27Khlong Sam WaBangkok, Thailand
    1533.9×
  27. 28OpoleOpole Voivodeship, Poland
    1533.9×
  28. 29KraljevoCentral Serbia, Serbia
    1533.9×
  29. 29Khan Na YaoBangkok, Thailand
    1533.9×
  30. 31Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1533.9×
  31. 32Lat KrabangBangkok, Thailand
    1523.8×
  32. 33CodleaBrașov County, Romania
    1513.7×
  33. 33Bueng KumBangkok, Thailand
    1513.7×
  34. 35Nong ChokBangkok, Thailand
    1513.7×
  35. 36Bang NaBangkok, Thailand
    1513.7×
  36. 37DejCluj County, Romania
    1493.7×
  37. 37PirotCentral Serbia, Serbia
    1493.7×
  38. 37Yangp'yŏngGyeonggi-do, South Korea
    1493.7×
  39. 40Saphan SungBangkok, Thailand
    1483.6×
  40. 41Jelenia GóraLower Silesia, Poland
    1483.6×
  41. 42Nong KhaemBangkok, Thailand
    1463.6×
  42. 43Lak SiBangkok, Thailand
    1463.6×
  43. 44Lagoslow-cost sensorsLagos, Nigeria
    1423.5×
  44. 45ChiguayanteBiobio, Chile
    1413.5×
  45. 46SmederevoCentral Serbia, Serbia
    1393.4×
  46. 47Bang KapiBangkok, Thailand
    1383.4×
  47. 48Hongch’ŏnGangwon-do, South Korea
    1373.3×
  48. 49GimcheonGyeongsangbuk-do, South Korea
    1363.3×
  49. 50GuangzhouGuangdong, China
    1363.3×
  50. 50JangheungJeollanam-do, South Korea
    1363.3×
  51. 52Icheon-siGyeonggi-do, South Korea
    1353.3×
  52. 53Mueang NonthaburiNonthaburi, Thailand
    1343.3×
  53. 54BangkokBangkok, Thailand
    1343.3×
  54. 54HwadoGyeonggi-do, South Korea
    1343.3×
  55. 56Ban Khlong PrawetBangkok, Thailand
    1343.2×
  56. 57Sai MaiBangkok, Thailand
    1303.2×
  57. 58ČačakCentral Serbia, Serbia
    1293.1×
  58. 59Uijeongbu-siGyeonggi-do, South Korea
    1283.1×
  59. 60KragujevacCentral Serbia, Serbia
    1263.0×
  60. 60PubalGyeonggi-do, South Korea
    1263.0×
  61. 62DhahranEastern Province, Saudi Arabia
    1243.0×
  62. 63YeojuGyeonggi-do, South Korea
    1233.0×
  63. 63MarignaneProvence-Alpes-Côte d'Azur, France
    1233.0×
  64. 65YeongjuGyeongsangbuk-do, South Korea
    1233.0×
  65. 66Ban Samae DamBangkok, Thailand
    1222.9×
  66. 67BakuBaki, Azerbaijan
    1222.9×
  67. 68MunsanGyeonggi-do, South Korea
    1212.9×
  68. 69Gimpo-siGyeonggi-do, South Korea
    1212.9×
  69. 70ValjevoCentral Serbia, Serbia
    1202.9×
  70. 71SeonghwanChungcheongnam-do, South Korea
    1202.9×
  71. 72SuwonGyeonggi-do, South Korea
    1202.9×
  72. 73KinzanChungcheongnam-do, South Korea
    1192.9×
  73. 74SeoulSeoul, South Korea
    1192.9×
  74. 74Goyang-siGyeonggi-do, South Korea
    1192.9×
  75. 76Bucheon-siGyeonggi-do, South Korea
    1182.8×
  76. 76GwangmyeongGyeonggi-do, South Korea
    1182.8×
  77. 78MasanGwangju, South Korea
    1172.8×
  78. 79Guri-siGyeonggi-do, South Korea
    1172.8×
  79. 80Ansan-siGyeonggi-do, South Korea
    1172.8×
  80. 81NangenJeollabuk-do, South Korea
    1162.8×
  81. 82YangjuGyeonggi-do, South Korea
    1162.8×
  82. 83Le HavreNormandy, France
    1162.8×
  83. 84IncheonIncheon, South Korea
    1152.8×
  84. 85WŏnjuGangwon-do, South Korea
    1152.7×
  85. 86IzegemFlanders, Belgium
    1142.7×
  86. 87WabuGyeonggi-do, South Korea
    1142.7×
  87. 88KrakówLesser Poland, Poland
    1132.7×
  88. 89OsanGyeonggi-do, South Korea
    1132.7×
  89. 90GapyeongGyeonggi-do, South Korea
    1132.7×
  90. 90AnseongGyeonggi-do, South Korea
    1132.7×
  91. 92KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1132.7×
  92. 92Anyang-siGyeonggi-do, South Korea
    1132.7×
  93. 94GumiGyeongsangbuk-do, South Korea
    1122.7×
  94. 94Hwaseong-siGyeonggi-do, South Korea
    1122.7×
  95. 96Kędzierzyn-KoźleOpole Voivodeship, Poland
    1122.7×
  96. 97MenenFlanders, Belgium
    1112.6×
  97. 98NajuJeollanam-do, South Korea
    1112.6×
  98. 99RužomberokŽilina Region, Slovakia
    1102.6×
  99. 100PyeongtaekGyeonggi-do, South Korea
    1102.6×
  100. 100TongyeongGyeongsangnam-do, South Korea
    1102.6×
  101. 100ChungjuNorth Chungcheong, South Korea
    1102.6×
  102. 103SremčicaCentral Serbia, Serbia
    1092.6×
  103. 103NeietsuGangwon-do, South Korea
    1092.6×
  104. 105GwangjuGyeonggi-do, South Korea
    1082.6×
  105. 106GwangjuGwangju, South Korea
    1082.6×
  106. 106HwacheonGangwon-do, South Korea
    1082.6×
  107. 106ChuncheonGangwon-do, South Korea
    1082.6×
  108. 109LučenecBanská Bystrica Region, Slovakia
    1082.5×
  109. 110ImsilJeollabuk-do, South Korea
    1072.5×
  110. 110RambouilletÎle-de-France, France
    1072.5×
  111. 112ErlunTaiwan, Taiwan
    1072.5×
  112. 112KimhaeGyeongsangnam-do, South Korea
    1072.5×
  113. 114PančevoVojvodina, Serbia
    1062.5×
  114. 114ChangsuJeollabuk-do, South Korea
    1062.5×
  115. 116Liptovský Mikulᚎilina Region, Slovakia
    1062.5×
  116. 117HandlováTrenčín Region, Slovakia
    1052.5×
  117. 118SantyokuGangwon-do, South Korea
    1052.5×
  118. 118AsanChungcheongnam-do, South Korea
    1052.5×
  119. 118JungpyongNorth Chungcheong, South Korea
    1052.5×
  120. 118LubańLower Silesia, Poland
    1052.5×
  121. 122MaldegemFlanders, Belgium
    1052.5×
  122. 122FutogVojvodina, Serbia
    1052.5×
  123. 124PohangGyeongsangbuk-do, South Korea
    1052.5×
  124. 125MoulinsAuvergne-Rhône-Alpes, France
    1042.5×
  125. 126YeonilGyeongsangbuk-do, South Korea
    1042.4×
  126. 126WaegwanGyeongsangbuk-do, South Korea
    1042.4×
  127. 126NamyangjuGyeonggi-do, South Korea
    1042.4×
  128. 126CoulommiersÎle-de-France, France
    1042.4×
  129. 130Ganghwa-gunIncheon, South Korea
    1032.4×
  130. 131Seongnam-siGyeonggi-do, South Korea
    1032.4×
  131. 132SangjuGyeongsangbuk-do, South Korea
    1032.4×
  132. 132RoeselareFlanders, Belgium
    1032.4×
  133. 134WanjuJeollabuk-do, South Korea
    1032.4×
  134. 135Gyeongsan-siGyeongsangbuk-do, South Korea
    1022.4×
  135. 135HaenamJeollanam-do, South Korea
    1022.4×
  136. 135ChinjuGyeongsangnam-do, South Korea
    1022.4×
  137. 135NaesŏGyeongsangnam-do, South Korea
    1022.4×
  138. 135YeongamJeollanam-do, South Korea
    1022.4×
  139. 140OkcheonNorth Chungcheong, South Korea
    1022.4×
  140. 141LazarevacCentral Serbia, Serbia
    1012.4×
  141. 141YeongdongNorth Chungcheong, South Korea
    1012.4×
  142. 141ŻywiecSilesia, Poland
    1012.4×
  143. 141ManlleuCatalonia, Spain
    1012.4×
  144. 145BusanBusan, South Korea
    1012.4×
  145. 146JangseongJeollanam-do, South Korea
    1012.4×
  146. 146YŏnmuChungcheongnam-do, South Korea
    1012.4×
  147. 148NišCentral Serbia, Serbia
    1002.4×
  148. 148GunsanJeollabuk-do, South Korea
    1002.4×
  149. 148Donghae CityGangwon-do, South Korea
    1002.4×
  150. 148KłodzkoLower Silesia, Poland
    1002.4×
  151. 152Chinch'ŏnNorth Chungcheong, South Korea
    992.3×
  152. 152Jeju CityJeju-do, South Korea
    992.3×
  153. 154AshgabatAshgabat, Turkmenistan
    992.3×
  154. 154TangjinChungcheongnam-do, South Korea
    992.3×
  155. 156Koch'angJeollabuk-do, South Korea
    992.3×
  156. 156UžiceCentral Serbia, Serbia
    992.3×
  157. 158BelgradeCentral Serbia, Serbia
    992.3×
  158. 158KortrijkFlanders, Belgium
    992.3×
  159. 160DamyangJeollanam-do, South Korea
    992.3×
  160. 160DaeguDaegu, South Korea
    992.3×
  161. 160AndongGyeongsangbuk-do, South Korea
    992.3×
  162. 163YuanlinTaiwan, Taiwan
    982.3×
  163. 163TainanTaiwan, Taiwan
    982.3×
  164. 163GijangBusan, South Korea
    982.3×
  165. 166Cheongju-siNorth Chungcheong, South Korea
    982.3×
  166. 167ZemunCentral Serbia, Serbia
    982.3×
  167. 167Jinan-gunJeollabuk-do, South Korea
    982.3×
  168. 169JeddahMecca Region, Saudi Arabia
    982.3×
  169. 169IksanJeollabuk-do, South Korea
    982.3×
  170. 171KimjeJeollabuk-do, South Korea
    982.3×
  171. 172ErlinTaiwan, Taiwan
    972.3×
  172. 172MokpoJeollanam-do, South Korea
    972.3×
  173. 172Silao de la VictoriaGuanajuato, Mexico
    972.3×
  174. 175KoesanNorth Chungcheong, South Korea
    972.3×
  175. 175HayangGyeongsangbuk-do, South Korea
    972.3×
  176. 177Asunciónlow-cost sensorsAsuncion, Paraguay
    972.3×
  177. 178KaohsiungTakao, Taiwan
    972.2×
  178. 178ChangwonGyeongsangnam-do, South Korea
    972.2×
  179. 180EisenGyeongsangbuk-do, South Korea
    972.2×
  180. 180CheorwonGangwon-do, South Korea
    972.2×
  181. 180JeonjuJeollabuk-do, South Korea
    972.2×
  182. 180RacibórzSilesia, Poland
    972.2×
  183. 184YeonggwangJeollanam-do, South Korea
    962.2×
  184. 184ŽilinaŽilina Region, Slovakia
    962.2×
  185. 186KielceŚwiętokrzyskie, Poland
    962.2×
  186. 186FengshanTakao, Taiwan
    962.2×
  187. 186Ciudad JuárezChihuahua, Mexico
    962.2×
  188. 189ObrenovacCentral Serbia, Serbia
    962.2×
  189. 190SinhyeonGyeongsangnam-do, South Korea
    952.2×
  190. 190SeogwipoJeju-do, South Korea
    952.2×
  191. 192BoryeongChungcheongnam-do, South Korea
    952.2×
  192. 192BuyeoChungcheongnam-do, South Korea
    952.2×
  193. 194KunwiGyeongsangbuk-do, South Korea
    952.2×
  194. 194MaarssenUtrecht, The Netherlands
    952.2×
  195. 196GaigeturiJeju-do, South Korea
    952.2×
  196. 197NamsaJeollabuk-do, South Korea
    952.2×
  197. 197GoseongGyeongsangnam-do, South Korea
    952.2×
  198. 197CheonanChungcheongnam-do, South Korea
    952.2×
  199. 197ZgierzŁódź Voivodeship, Poland
    952.2×

Top 200 of 2,140 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

Use this board

SmogRank, most polluted cities, PM2.5, January 14, 2025, smogrank.com/history/2025-01-14 (accessed 2 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.