SmogRank / World / South Korea / January 2025

Most polluted cities in South Korea, January 2025

136 cities in South Korea ranked by their average PM2.5 over the 31 days. Worst: Pubal at 37.5 µg/m³, #56 of 2,121 cities in the world. Cleanest: Beolgyo at 12.7. A city needs measurements on 70% of the days to be ranked.

← Pubal 37.5
Every city in South Korea ranked for January 2025, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1PubalGyeonggi-do
    4
  2. 2Yangp'yŏngGyeonggi-do
    4
  3. 3YeojuGyeonggi-do
    4
  4. 4SeonghwanChungcheongnam-do
    4
  5. 5Icheon-siGyeonggi-do
    4
  6. 6GumiGyeongsangbuk-do
    4
  7. 7WŏnjuGangwon-do
    4
  8. 8YeongjuGyeongsangbuk-do
    4
  9. 9KinzanChungcheongnam-do
    4
  10. 10HwadoGyeonggi-do
    4
  11. 11PyeongtaekGyeonggi-do
    4
  12. 12JungpyongNorth Chungcheong
    3
  13. 13ChungjuNorth Chungcheong
    3
  14. 14KoesanNorth Chungcheong
    3
  15. 14Cheongju-siNorth Chungcheong
    3
  16. 16YeongdongNorth Chungcheong
    3
  17. 17Hongch’ŏnGangwon-do
    3
  18. 18AnseongGyeonggi-do
    3
  19. 19AsanChungcheongnam-do
    3
  20. 20OsanGyeonggi-do
    3
  21. 20GimcheonGyeongsangbuk-do
    3
  22. 20Chinch'ŏnNorth Chungcheong
    3
  23. 23GwangjuGyeonggi-do
    3
  24. 24SejongSejong-si
    3
  25. 25SuwonGyeonggi-do
    3
  26. 25OkcheonNorth Chungcheong
    3
  27. 27SeoulSeoul
    3
  28. 28MunsanGyeonggi-do
    3
  29. 28Guri-siGyeonggi-do
    3
  30. 28YŏnmuChungcheongnam-do
    3
  31. 28GwangmyeongGyeonggi-do
    3
  32. 32ChuncheonGangwon-do
    3
  33. 33Goyang-siGyeonggi-do
    3
  34. 34Uijeongbu-siGyeonggi-do
    3
  35. 34BuyeoChungcheongnam-do
    3
  36. 34Gimpo-siGyeonggi-do
    3
  37. 37YesanChungcheongnam-do
    3
  38. 37WabuGyeonggi-do
    3
  39. 39Ganghwa-gunIncheon
    3
  40. 39IksanJeollabuk-do
    3
  41. 39CheonanChungcheongnam-do
    3
  42. 42SangjuGyeongsangbuk-do
    3
  43. 42Bucheon-siGyeonggi-do
    3
  44. 44Anyang-siGyeonggi-do
    3
  45. 44Ansan-siGyeonggi-do
    3
  46. 44AndongGyeongsangbuk-do
    3
  47. 47GunsanJeollabuk-do
    3
  48. 48PohangGyeongsangbuk-do
    3
  49. 49Seongnam-siGyeonggi-do
    3
  50. 50YangjuGyeonggi-do
    3
  51. 50CheorwonGangwon-do
    3
  52. 52TangjinChungcheongnam-do
    3
  53. 52NonsanChungcheongnam-do
    3
  54. 52NamyangjuGyeonggi-do
    3
  55. 55KimjeJeollabuk-do
    3
  56. 55IncheonIncheon
    3
  57. 55HongseongChungcheongnam-do
    3
  58. 58Hwaseong-siGyeonggi-do
    3
  59. 59WaegwanGyeongsangbuk-do
    3
  60. 60HayangGyeongsangbuk-do
    3
  61. 60TongyeongGyeongsangnam-do
    3
  62. 62Gyeongsan-siGyeongsangbuk-do
    3
  63. 63HwacheonGangwon-do
    3
  64. 64BuanJeollabuk-do
    3
  65. 64HanamGyeonggi-do
    3
  66. 66MungyeongGyeongsangbuk-do
    3
  67. 67BoryeongChungcheongnam-do
    3
  68. 68WanjuJeollabuk-do
    3
  69. 69YeonilGyeongsangbuk-do
    3
  70. 69DaeguDaegu
    3
  71. 71NangenJeollabuk-do
    3
  72. 72BusanBusan
    3
  73. 72ChangsuJeollabuk-do
    3
  74. 74GapyeongGyeonggi-do
    3
  75. 75GongjuChungcheongnam-do
    3
  76. 76NeietsuGangwon-do
    3
  77. 76ChinjuGyeongsangnam-do
    3
  78. 78SeosanChungcheongnam-do
    3
  79. 78NamsaJeollabuk-do
    3
  80. 80NajuJeollanam-do
    3
  81. 81MasanGwangju
    3
  82. 81NaesŏGyeongsangnam-do
    3
  83. 83YangguGangwon-do
    3
  84. 84DaejeonDaejeon
    3
  85. 84KunwiGyeongsangbuk-do
    3
  86. 86YecheonGyeongsangbuk-do
    3
  87. 86JeonjuJeollabuk-do
    3
  88. 86HwawŏnDaegu
    3
  89. 89SantyokuGangwon-do
    3
  90. 89GijangBusan
    3
  91. 91KimhaeGyeongsangnam-do
    3
  92. 92GwangjuGwangju
    3
  93. 93UlsanUlsan
    3
  94. 94EisenGyeongsangbuk-do
    3
  95. 95GangneungGangwon-do
    3
  96. 95JeongeupJeollabuk-do
    3
  97. 97Donghae CityGangwon-do
    2
  98. 98ImsilJeollabuk-do
    2
  99. 98ChangnyeongGyeongsangnam-do
    2
  100. 100MiryangGyeongsangnam-do
    2
  101. 100Jinan-gunJeollabuk-do
    2
  102. 102GoseongGyeongsangnam-do
    2
  103. 103Cheongsong gunGyeongsangbuk-do
    2
  104. 103UngsangGyeongsangnam-do
    2
  105. 105GyeongjuGyeongsangbuk-do
    2
  106. 105SinhyeonGyeongsangnam-do
    2
  107. 107ChangwonGyeongsangnam-do
    2
  108. 108KwangyangJeollanam-do
    2
  109. 109YeosuJeollanam-do
    2
  110. 110YangsanGyeongsangnam-do
    2
  111. 110HaenamJeollanam-do
    2
  112. 110GeojeGyeongsangnam-do
    2
  113. 113MokpoJeollanam-do
    2
  114. 114DamyangJeollanam-do
    2
  115. 115YeonggwangJeollanam-do
    2
  116. 116GwangyangJeollanam-do
    2
  117. 117JangseongJeollanam-do
    2
  118. 118SeogwipoJeju-do
    2
  119. 119Jeju CityJeju-do
    2
  120. 119HadongGyeongsangnam-do
    2
  121. 121GaigeturiJeju-do
    2
  122. 122YeongamJeollanam-do
    2
  123. 123Koch'angJeollabuk-do
    2
  124. 123BoseongJeollanam-do
    2
  125. 125SuncheonJeollanam-do
    2
  126. 126KosongGangwon-do
    2
  127. 127MuanJeollanam-do
    2
  128. 128JangheungJeollanam-do
    2
  129. 129SokchoGangwon-do
    2
  130. 130T’aebaekGangwon-do
    2
  131. 131HwasunJeollanam-do
    2
  132. 132KuryeJeollanam-do
    2
  133. 133Taesal-liChungcheongnam-do
    2
  134. 133JumunjinGangwon-do
    2
  135. 135SinanJeollanam-do
    2
  136. 136BeolgyoJeollanam-do
    2
Low risk1–3
Moderate risk4–6
High risk7–10
Very high risk10+

Canada's AQHI+ for PM2.5 (1 point per 10 µg/m³), which is defined on hourly values. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, January 2025 · South Korea now

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

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