SmogRank / World / South Korea / February 2025

Most polluted cities in South Korea, February 2025

136 cities in South Korea ranked by their average PM2.5 over the 28 days. Worst: Wŏnju at 26.4 µg/m³, #237 of 2,264 cities in the world. Cleanest: Beolgyo at 9.7. A city needs measurements on 70% of the days to be ranked.

← Wŏnju 26.4 µg/m³ 20 µg/m³0
Every city in South Korea ranked for February 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. 1WŏnjuGangwon-do
    83
  2. 2GumiGyeongsangbuk-do
    81
  3. 2PubalGyeonggi-do
    81
  4. 4YeojuGyeonggi-do
    78
  5. 4Yangp'yŏngGyeonggi-do
    78
  6. 6SeonghwanChungcheongnam-do
    78
  7. 7YeongjuGyeongsangbuk-do
    76
  8. 7CheorwonGangwon-do
    76
  9. 9MunsanGyeonggi-do
    76
  10. 10KoesanNorth Chungcheong
    75
  11. 10GimcheonGyeongsangbuk-do
    75
  12. 12ChungjuNorth Chungcheong
    74
  13. 13Cheongju-siNorth Chungcheong
    74
  14. 14KinzanChungcheongnam-do
    74
  15. 15Ganghwa-gunIncheon
    73
  16. 16YeongdongNorth Chungcheong
    73
  17. 17SangjuGyeongsangbuk-do
    72
  18. 17AsanChungcheongnam-do
    72
  19. 17GwangjuGyeonggi-do
    72
  20. 17HwadoGyeonggi-do
    72
  21. 17GwangmyeongGyeonggi-do
    72
  22. 22TangjinChungcheongnam-do
    72
  23. 22Icheon-siGyeonggi-do
    72
  24. 22JungpyongNorth Chungcheong
    72
  25. 25SuwonGyeonggi-do
    72
  26. 25SeoulSeoul
    72
  27. 25Gimpo-siGyeonggi-do
    72
  28. 28Guri-siGyeonggi-do
    72
  29. 29PyeongtaekGyeonggi-do
    71
  30. 29PohangGyeongsangbuk-do
    71
  31. 29ChuncheonGangwon-do
    71
  32. 29AndongGyeongsangbuk-do
    71
  33. 33OsanGyeonggi-do
    71
  34. 34HongseongChungcheongnam-do
    71
  35. 34Hongch’ŏnGangwon-do
    71
  36. 34CheonanChungcheongnam-do
    71
  37. 37IncheonIncheon
    71
  38. 37SejongSejong-si
    71
  39. 39YesanChungcheongnam-do
    70
  40. 39Bucheon-siGyeonggi-do
    70
  41. 41Anyang-siGyeonggi-do
    70
  42. 42AnseongGyeonggi-do
    70
  43. 43BuyeoChungcheongnam-do
    70
  44. 44Donghae CityGangwon-do
    69
  45. 45Chinch'ŏnNorth Chungcheong
    69
  46. 45NamyangjuGyeonggi-do
    69
  47. 47GunsanJeollabuk-do
    69
  48. 47HanamGyeonggi-do
    69
  49. 49SantyokuGangwon-do
    69
  50. 49GapyeongGyeonggi-do
    69
  51. 51Ansan-siGyeonggi-do
    69
  52. 52YangjuGyeonggi-do
    68
  53. 53Uijeongbu-siGyeonggi-do
    68
  54. 53NonsanChungcheongnam-do
    68
  55. 53Goyang-siGyeonggi-do
    68
  56. 53Seongnam-siGyeonggi-do
    68
  57. 57NeietsuGangwon-do
    68
  58. 58OkcheonNorth Chungcheong
    68
  59. 58IksanJeollabuk-do
    68
  60. 60WaegwanGyeongsangbuk-do
    67
  61. 61Gyeongsan-siGyeongsangbuk-do
    67
  62. 62HwacheonGangwon-do
    67
  63. 63YangguGangwon-do
    67
  64. 63KimjeJeollabuk-do
    67
  65. 65Hwaseong-siGyeonggi-do
    66
  66. 65WabuGyeonggi-do
    66
  67. 67MungyeongGyeongsangbuk-do
    66
  68. 68BoryeongChungcheongnam-do
    66
  69. 68BusanBusan
    66
  70. 68MasanGwangju
    66
  71. 68GangneungGangwon-do
    66
  72. 72SeosanChungcheongnam-do
    66
  73. 72BuanJeollabuk-do
    66
  74. 74YeonilGyeongsangbuk-do
    66
  75. 75YŏnmuChungcheongnam-do
    65
  76. 76DaejeonDaejeon
    65
  77. 76DaeguDaegu
    65
  78. 78GwangjuGwangju
    65
  79. 78HayangGyeongsangbuk-do
    65
  80. 80YecheonGyeongsangbuk-do
    65
  81. 80MiryangGyeongsangnam-do
    65
  82. 80GijangBusan
    65
  83. 83NamsaJeollabuk-do
    64
  84. 83GongjuChungcheongnam-do
    64
  85. 85NajuJeollanam-do
    64
  86. 86TongyeongGyeongsangnam-do
    64
  87. 87MokpoJeollanam-do
    63
  88. 88WanjuJeollabuk-do
    63
  89. 88UlsanUlsan
    63
  90. 90KimhaeGyeongsangnam-do
    63
  91. 90Cheongsong gunGyeongsangbuk-do
    63
  92. 90Jeju CityJeju-do
    63
  93. 90JeongeupJeollabuk-do
    63
  94. 94GaigeturiJeju-do
    63
  95. 95ChangsuJeollabuk-do
    62
  96. 96Jinan-gunJeollabuk-do
    62
  97. 97HwawŏnDaegu
    62
  98. 98NaesŏGyeongsangnam-do
    62
  99. 99KunwiGyeongsangbuk-do
    61
  100. 99ChinjuGyeongsangnam-do
    61
  101. 101YangsanGyeongsangnam-do
    61
  102. 101GyeongjuGyeongsangbuk-do
    61
  103. 103ImsilJeollabuk-do
    61
  104. 104GoseongGyeongsangnam-do
    61
  105. 104JeonjuJeollabuk-do
    61
  106. 104UngsangGyeongsangnam-do
    61
  107. 107HaenamJeollanam-do
    61
  108. 108KwangyangJeollanam-do
    61
  109. 108ChangnyeongGyeongsangnam-do
    61
  110. 110ChangwonGyeongsangnam-do
    60
  111. 111NangenJeollabuk-do
    60
  112. 112SinhyeonGyeongsangnam-do
    60
  113. 112YeosuJeollanam-do
    60
  114. 114SeogwipoJeju-do
    60
  115. 114GeojeGyeongsangnam-do
    60
  116. 116DamyangJeollanam-do
    59
  117. 117JangseongJeollanam-do
    59
  118. 118EisenGyeongsangbuk-do
    58
  119. 119YeonggwangJeollanam-do
    58
  120. 119MuanJeollanam-do
    58
  121. 121YeongamJeollanam-do
    58
  122. 122T’aebaekGangwon-do
    57
  123. 123SuncheonJeollanam-do
    57
  124. 123GwangyangJeollanam-do
    57
  125. 125JumunjinGangwon-do
    57
  126. 125BoseongJeollanam-do
    57
  127. 127HwasunJeollanam-do
    56
  128. 128SokchoGangwon-do
    56
  129. 129Taesal-liChungcheongnam-do
    55
  130. 129KosongGangwon-do
    55
  131. 129HadongGyeongsangnam-do
    55
  132. 132SinanJeollanam-do
    55
  133. 133JangheungJeollanam-do
    54
  134. 134KuryeJeollanam-do
    54
  135. 135Koch'angJeollabuk-do
    53
  136. 136BeolgyoJeollanam-do
    52
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

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

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SmogRank, most polluted cities in South Korea, PM2.5, February 2025, smogrank.com/kr/history/2025-02 (accessed 2 Oct 2026).

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