SmogRank / World / South Korea / June 2026

Most polluted cities in South Korea, June 2026

136 cities in South Korea ranked by their average PM2.5 over the 30 days. Worst: Hwasun at 620.2 µg/m³, #1 of 2,193 cities in the world. Cleanest: Gijang at 9.3. A city needs measurements on 70% of the days to be ranked.

← Hwasun 620.2
Every city in South Korea ranked for June 2026, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1HwasunJeollanam-do
    620.2
  2. 2MiryangGyeongsangnam-do
    512.2
  3. 3SejongSejong-si
    228.3
  4. 4HadongGyeongsangnam-do
    220.8
  5. 5GapyeongGyeonggi-do
    217.2
  6. 6YangjuGyeonggi-do
    211.3
  7. 7SinanJeollanam-do
    205.0
  8. 8GaigeturiJeju-do
    203.0
  9. 8SeogwipoJeju-do
    203.0
  10. 10SinhyeonGyeongsangnam-do
    194.2
  11. 11HaenamJeollanam-do
    193.1
  12. 12GongjuChungcheongnam-do
    185.6
  13. 13GeojeGyeongsangnam-do
    179.7
  14. 14SeosanChungcheongnam-do
    179.0
  15. 15TangjinChungcheongnam-do
    175.4
  16. 16HongseongChungcheongnam-do
    168.7
  17. 17Yangp'yŏngGyeonggi-do
    157.9
  18. 18GangneungGangwon-do
    152.5
  19. 19KinzanChungcheongnam-do
    151.0
  20. 20ChinjuGyeongsangnam-do
    150.9
  21. 21OkcheonNorth Chungcheong
    139.1
  22. 22BoryeongChungcheongnam-do
    138.2
  23. 23SantyokuGangwon-do
    135.8
  24. 24BeolgyoJeollanam-do
    135.6
  25. 25YeongdongNorth Chungcheong
    135.3
  26. 25YangsanGyeongsangnam-do
    135.3
  27. 27T’aebaekGangwon-do
    135.2
  28. 28Jeju CityJeju-do
    134.0
  29. 29Hwaseong-siGyeonggi-do
    133.8
  30. 30ChangnyeongGyeongsangnam-do
    130.3
  31. 31SeonghwanChungcheongnam-do
    130.0
  32. 32HwawŏnDaegu
    129.6
  33. 33MasanGwangju
    129.4
  34. 34Taesal-liChungcheongnam-do
    123.7
  35. 35GoseongGyeongsangnam-do
    122.5
  36. 36BuyeoChungcheongnam-do
    122.3
  37. 37Ganghwa-gunIncheon
    118.1
  38. 38HwacheonGangwon-do
    117.0
  39. 39TongyeongGyeongsangnam-do
    116.1
  40. 40Icheon-siGyeonggi-do
    112.3
  41. 41NamyangjuGyeonggi-do
    110.2
  42. 42NonsanChungcheongnam-do
    109.9
  43. 43KunwiGyeongsangbuk-do
    109.3
  44. 44Chinch'ŏnNorth Chungcheong
    109.2
  45. 45AnseongGyeonggi-do
    107.8
  46. 46MuanJeollanam-do
    107.3
  47. 47PubalGyeonggi-do
    99.3
  48. 48DamyangJeollanam-do
    98.6
  49. 49DaejeonDaejeon
    97.6
  50. 50NamsaJeollabuk-do
    97.4
  51. 51MunsanGyeonggi-do
    95.7
  52. 52JangheungJeollanam-do
    95.2
  53. 53Hongch’ŏnGangwon-do
    95.0
  54. 54MungyeongGyeongsangbuk-do
    93.6
  55. 55ChuncheonGangwon-do
    92.8
  56. 55JangseongJeollanam-do
    92.8
  57. 57NajuJeollanam-do
    90.6
  58. 58NangenJeollabuk-do
    89.8
  59. 59YeongjuGyeongsangbuk-do
    88.4
  60. 60YeojuGyeonggi-do
    87.7
  61. 61UngsangGyeongsangnam-do
    87.3
  62. 62SangjuGyeongsangbuk-do
    83.8
  63. 63Jinan-gunJeollabuk-do
    81.8
  64. 64YecheonGyeongsangbuk-do
    81.7
  65. 65SuncheonJeollanam-do
    79.6
  66. 66WabuGyeonggi-do
    78.6
  67. 67KoesanNorth Chungcheong
    77.9
  68. 68HayangGyeongsangbuk-do
    77.8
  69. 69GyeongjuGyeongsangbuk-do
    77.6
  70. 70GwangjuGyeonggi-do
    75.6
  71. 71YesanChungcheongnam-do
    73.9
  72. 72GwangmyeongGyeonggi-do
    72.2
  73. 73YeonilGyeongsangbuk-do
    71.9
  74. 73SokchoGangwon-do
    71.9
  75. 75SeoulSeoul
    71.2
  76. 76EisenGyeongsangbuk-do
    71.1
  77. 77WaegwanGyeongsangbuk-do
    69.5
  78. 78NeietsuGangwon-do
    69.4
  79. 79ChangsuJeollabuk-do
    67.2
  80. 80AndongGyeongsangbuk-do
    67.0
  81. 81JungpyongNorth Chungcheong
    66.8
  82. 82Cheongsong gunGyeongsangbuk-do
    64.5
  83. 83PyeongtaekGyeonggi-do
    63.8
  84. 84KosongGangwon-do
    63.1
  85. 85HwadoGyeonggi-do
    62.4
  86. 86Cheongju-siNorth Chungcheong
    61.9
  87. 87Donghae CityGangwon-do
    61.3
  88. 88WanjuJeollabuk-do
    59.8
  89. 89KimjeJeollabuk-do
    59.3
  90. 90Koch'angJeollabuk-do
    59.1
  91. 91YŏnmuChungcheongnam-do
    57.1
  92. 92YeonggwangJeollanam-do
    55.6
  93. 93WŏnjuGangwon-do
    55.5
  94. 94JumunjinGangwon-do
    53.6
  95. 95GimcheonGyeongsangbuk-do
    53.5
  96. 96BoseongJeollanam-do
    51.5
  97. 97KuryeJeollanam-do
    51.0
  98. 98Guri-siGyeonggi-do
    50.3
  99. 99AsanChungcheongnam-do
    49.0
  100. 100ImsilJeollabuk-do
    47.1
  101. 101NaesŏGyeongsangnam-do
    45.9
  102. 102JeongeupJeollabuk-do
    44.4
  103. 103YangguGangwon-do
    41.2
  104. 104GumiGyeongsangbuk-do
    39.8
  105. 105YeongamJeollanam-do
    39.5
  106. 106GwangyangJeollanam-do
    38.7
  107. 107Gyeongsan-siGyeongsangbuk-do
    38.4
  108. 108CheorwonGangwon-do
    36.6
  109. 109Goyang-siGyeonggi-do
    36.5
  110. 110CheonanChungcheongnam-do
    35.7
  111. 111HanamGyeonggi-do
    35.2
  112. 112PohangGyeongsangbuk-do
    33.3
  113. 113IksanJeollabuk-do
    32.0
  114. 114KwangyangJeollanam-do
    31.9
  115. 115KimhaeGyeongsangnam-do
    31.7
  116. 116MokpoJeollanam-do
    31.0
  117. 117Ansan-siGyeonggi-do
    30.0
  118. 118BuanJeollabuk-do
    29.8
  119. 119UlsanUlsan
    26.6
  120. 119Seongnam-siGyeonggi-do
    26.6
  121. 121JeonjuJeollabuk-do
    20.7
  122. 122Gimpo-siGyeonggi-do
    17.7
  123. 123GunsanJeollabuk-do
    16.6
  124. 124IncheonIncheon
    16.3
  125. 125OsanGyeonggi-do
    15.2
  126. 126Anyang-siGyeonggi-do
    15.1
  127. 127Bucheon-siGyeonggi-do
    14.6
  128. 128SuwonGyeonggi-do
    14.4
  129. 129Uijeongbu-siGyeonggi-do
    13.9
  130. 130ChungjuNorth Chungcheong
    12.6
  131. 131BusanBusan
    12.4
  132. 132GwangjuGwangju
    11.8
  133. 133ChangwonGyeongsangnam-do
    11.4
  134. 134YeosuJeollanam-do
    10.5
  135. 135DaeguDaegu
    9.5
  136. 136GijangBusan
    9.3
Good0–5
Fair6–15
Moderate16–50
Poor51–90
Very poor91–140
Extremely poor141+

The European Environment Agency's air quality index bands for PM2.5 (2024 revision); it has bands, not numbers, so values stay in µg/m³. 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, June 2026 · South Korea now

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SmogRank, most polluted cities in South Korea, PM2.5, June 2026, smogrank.com/kr/history/2026-06 (accessed 2 Oct 2026).

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