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 µg/m³ 600 µg/m³0
Every city in South Korea ranked for June 2026, 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. 1HwasunJeollanam-do
    500+
  2. 2MiryangGyeongsangnam-do
    500+
  3. 3SejongSejong-si
    279
  4. 4HadongGyeongsangnam-do
    271
  5. 5GapyeongGyeonggi-do
    268
  6. 6YangjuGyeonggi-do
    262
  7. 7SinanJeollanam-do
    255
  8. 8GaigeturiJeju-do
    253
  9. 8SeogwipoJeju-do
    253
  10. 10SinhyeonGyeongsangnam-do
    245
  11. 11HaenamJeollanam-do
    244
  12. 12GongjuChungcheongnam-do
    236
  13. 13GeojeGyeongsangnam-do
    230
  14. 14SeosanChungcheongnam-do
    229
  15. 15TangjinChungcheongnam-do
    226
  16. 16HongseongChungcheongnam-do
    219
  17. 17Yangp'yŏngGyeonggi-do
    208
  18. 18GangneungGangwon-do
    203
  19. 19KinzanChungcheongnam-do
    201
  20. 20ChinjuGyeongsangnam-do
    201
  21. 21OkcheonNorth Chungcheong
    185
  22. 22BoryeongChungcheongnam-do
    184
  23. 23SantyokuGangwon-do
    180
  24. 24BeolgyoJeollanam-do
    180
  25. 25YeongdongNorth Chungcheong
    179
  26. 25YangsanGyeongsangnam-do
    179
  27. 27T’aebaekGangwon-do
    179
  28. 28Jeju CityJeju-do
    178
  29. 29Hwaseong-siGyeonggi-do
    177
  30. 30ChangnyeongGyeongsangnam-do
    172
  31. 31SeonghwanChungcheongnam-do
    172
  32. 32HwawŏnDaegu
    171
  33. 33MasanGwangju
    171
  34. 34Taesal-liChungcheongnam-do
    163
  35. 35GoseongGyeongsangnam-do
    161
  36. 36BuyeoChungcheongnam-do
    161
  37. 37Ganghwa-gunIncheon
    155
  38. 38HwacheonGangwon-do
    153
  39. 39TongyeongGyeongsangnam-do
    152
  40. 40Icheon-siGyeonggi-do
    147
  41. 41NamyangjuGyeonggi-do
    144
  42. 42NonsanChungcheongnam-do
    144
  43. 43KunwiGyeongsangbuk-do
    143
  44. 44Chinch'ŏnNorth Chungcheong
    143
  45. 45AnseongGyeonggi-do
    141
  46. 46MuanJeollanam-do
    141
  47. 47PubalGyeonggi-do
    131
  48. 48DamyangJeollanam-do
    130
  49. 49DaejeonDaejeon
    129
  50. 50NamsaJeollabuk-do
    128
  51. 51MunsanGyeonggi-do
    126
  52. 52JangheungJeollanam-do
    126
  53. 53Hongch’ŏnGangwon-do
    125
  54. 54MungyeongGyeongsangbuk-do
    124
  55. 55ChuncheonGangwon-do
    123
  56. 55JangseongJeollanam-do
    123
  57. 57NajuJeollanam-do
    120
  58. 58NangenJeollabuk-do
    119
  59. 59YeongjuGyeongsangbuk-do
    117
  60. 60YeojuGyeonggi-do
    116
  61. 61UngsangGyeongsangnam-do
    116
  62. 62SangjuGyeongsangbuk-do
    111
  63. 63Jinan-gunJeollabuk-do
    109
  64. 64YecheonGyeongsangbuk-do
    109
  65. 65SuncheonJeollanam-do
    106
  66. 66WabuGyeonggi-do
    105
  67. 67KoesanNorth Chungcheong
    104
  68. 68HayangGyeongsangbuk-do
    104
  69. 69GyeongjuGyeongsangbuk-do
    104
  70. 70GwangjuGyeonggi-do
    101
  71. 71YesanChungcheongnam-do
    99
  72. 72GwangmyeongGyeonggi-do
    97
  73. 73YeonilGyeongsangbuk-do
    97
  74. 73SokchoGangwon-do
    97
  75. 75SeoulSeoul
    96
  76. 76EisenGyeongsangbuk-do
    96
  77. 77WaegwanGyeongsangbuk-do
    94
  78. 78NeietsuGangwon-do
    93
  79. 79ChangsuJeollabuk-do
    91
  80. 80AndongGyeongsangbuk-do
    90
  81. 81JungpyongNorth Chungcheong
    90
  82. 82Cheongsong gunGyeongsangbuk-do
    87
  83. 83PyeongtaekGyeonggi-do
    86
  84. 84KosongGangwon-do
    86
  85. 85HwadoGyeonggi-do
    85
  86. 86Cheongju-siNorth Chungcheong
    84
  87. 87Donghae CityGangwon-do
    83
  88. 88WanjuJeollabuk-do
    81
  89. 89KimjeJeollabuk-do
    81
  90. 90Koch'angJeollabuk-do
    81
  91. 91YŏnmuChungcheongnam-do
    78
  92. 92YeonggwangJeollanam-do
    76
  93. 93WŏnjuGangwon-do
    76
  94. 94JumunjinGangwon-do
    74
  95. 95GimcheonGyeongsangbuk-do
    74
  96. 96BoseongJeollanam-do
    71
  97. 97KuryeJeollanam-do
    70
  98. 98Guri-siGyeonggi-do
    70
  99. 99AsanChungcheongnam-do
    68
  100. 100ImsilJeollabuk-do
    66
  101. 101NaesŏGyeongsangnam-do
    64
  102. 102JeongeupJeollabuk-do
    62
  103. 103YangguGangwon-do
    58
  104. 104GumiGyeongsangbuk-do
    56
  105. 105YeongamJeollanam-do
    56
  106. 106GwangyangJeollanam-do
    55
  107. 107Gyeongsan-siGyeongsangbuk-do
    55
  108. 108CheorwonGangwon-do
    52
  109. 109Goyang-siGyeonggi-do
    52
  110. 110CheonanChungcheongnam-do
    51
  111. 111HanamGyeonggi-do
    51
  112. 112PohangGyeongsangbuk-do
    48
  113. 113IksanJeollabuk-do
    46
  114. 114KwangyangJeollanam-do
    46
  115. 115KimhaeGyeongsangnam-do
    46
  116. 116MokpoJeollanam-do
    45
  117. 117Ansan-siGyeonggi-do
    43
  118. 118BuanJeollabuk-do
    43
  119. 119UlsanUlsan
    38
  120. 119Seongnam-siGyeonggi-do
    38
  121. 121JeonjuJeollabuk-do
    30
  122. 122Gimpo-siGyeonggi-do
    26
  123. 123GunsanJeollabuk-do
    24
  124. 124IncheonIncheon
    24
  125. 125OsanGyeonggi-do
    22
  126. 126Anyang-siGyeonggi-do
    22
  127. 127Bucheon-siGyeonggi-do
    21
  128. 128SuwonGyeonggi-do
    21
  129. 129Uijeongbu-siGyeonggi-do
    20
  130. 130ChungjuNorth Chungcheong
    18
  131. 131BusanBusan
    18
  132. 132GwangjuGwangju
    17
  133. 133ChangwonGyeongsangnam-do
    17
  134. 134YeosuJeollanam-do
    15
  135. 135DaeguDaegu
    14
  136. 136GijangBusan
    14
Excellent0–50
Good51–100
Lightly polluted101–150
Moderately polluted151–200
Heavily polluted201–300
Severely polluted301+

China's Air Quality Index (HJ 633-2012), PM2.5 individual index. 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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