SmogRank / World / South Korea / August 2026

Most polluted cities in South Korea, August 2026

134 cities in South Korea ranked by their average PM2.5 over the 31 days. Worst: Miryang at 428.2 µg/m³, #1 of 2,590 cities in the world. Cleanest: Daegu at 8.4. A city needs measurements on 70% of the days to be ranked.

← Miryang 428.2 µg/m³ 400 µg/m³0
Every city in South Korea ranked for August 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. 1MiryangGyeongsangnam-do
    500+
  2. 2SinhyeonGyeongsangnam-do
    500+
  3. 3HadongGyeongsangnam-do
    500+
  4. 4SeogwipoJeju-do
    500+
  5. 5SejongSejong-si
    487
  6. 6GaigeturiJeju-do
    454
  7. 7ChuncheonGangwon-do
    375
  8. 8HongseongChungcheongnam-do
    359
  9. 9Taesal-liChungcheongnam-do
    356
  10. 10SeosanChungcheongnam-do
    343
  11. 11KinzanChungcheongnam-do
    322
  12. 12YeongdongNorth Chungcheong
    319
  13. 13TangjinChungcheongnam-do
    296
  14. 14AnseongGyeonggi-do
    292
  15. 15KosongGangwon-do
    288
  16. 16GangneungGangwon-do
    275
  17. 17PubalGyeonggi-do
    274
  18. 18GoseongGyeongsangnam-do
    271
  19. 19HwasunJeollanam-do
    260
  20. 20OkcheonNorth Chungcheong
    256
  21. 21Jinan-gunJeollabuk-do
    253
  22. 22BuanJeollabuk-do
    250
  23. 23GapyeongGyeonggi-do
    249
  24. 24YangjuGyeonggi-do
    243
  25. 25Chinch'ŏnNorth Chungcheong
    242
  26. 26NonsanChungcheongnam-do
    240
  27. 27Yangp'yŏngGyeonggi-do
    237
  28. 28Ganghwa-gunIncheon
    230
  29. 29ChinjuGyeongsangnam-do
    228
  30. 30GimcheonGyeongsangbuk-do
    225
  31. 31EisenGyeongsangbuk-do
    224
  32. 32NangenJeollabuk-do
    222
  33. 33GeojeGyeongsangnam-do
    220
  34. 34HwawŏnDaegu
    218
  35. 35GyeongjuGyeongsangbuk-do
    217
  36. 36WabuGyeonggi-do
    215
  37. 37Jeju CityJeju-do
    214
  38. 38Koch'angJeollabuk-do
    213
  39. 39NamsaJeollabuk-do
    213
  40. 40YeongjuGyeongsangbuk-do
    212
  41. 41Hwaseong-siGyeonggi-do
    212
  42. 42GongjuChungcheongnam-do
    212
  43. 43BoryeongChungcheongnam-do
    208
  44. 44NamyangjuGyeonggi-do
    207
  45. 45JumunjinGangwon-do
    206
  46. 46KuryeJeollanam-do
    204
  47. 47HwadoGyeonggi-do
    204
  48. 48MungyeongGyeongsangbuk-do
    204
  49. 49HaenamJeollanam-do
    202
  50. 50ChangsuJeollabuk-do
    198
  51. 51MasanGwangju
    197
  52. 52KunwiGyeongsangbuk-do
    197
  53. 53TongyeongGyeongsangnam-do
    196
  54. 54KoesanNorth Chungcheong
    194
  55. 55SeonghwanChungcheongnam-do
    193
  56. 56ChangnyeongGyeongsangnam-do
    191
  57. 57YangsanGyeongsangnam-do
    190
  58. 57JungpyongNorth Chungcheong
    190
  59. 59MunsanGyeonggi-do
    189
  60. 60YeojuGyeonggi-do
    188
  61. 61BoseongJeollanam-do
    187
  62. 62HayangGyeongsangbuk-do
    186
  63. 63SantyokuGangwon-do
    185
  64. 64BuyeoChungcheongnam-do
    184
  65. 65T’aebaekGangwon-do
    184
  66. 66AsanChungcheongnam-do
    182
  67. 67KimjeJeollabuk-do
    181
  68. 68UngsangGyeongsangnam-do
    181
  69. 69Icheon-siGyeonggi-do
    177
  70. 70SokchoGangwon-do
    177
  71. 71GwangjuGwangju
    175
  72. 72HwacheonGangwon-do
    175
  73. 73YangguGangwon-do
    173
  74. 74MokpoJeollanam-do
    172
  75. 75GwangjuGyeonggi-do
    171
  76. 76WanjuJeollabuk-do
    168
  77. 77YecheonGyeongsangbuk-do
    166
  78. 78AndongGyeongsangbuk-do
    166
  79. 79KimhaeGyeongsangnam-do
    166
  80. 80ImsilJeollabuk-do
    165
  81. 81JangheungJeollanam-do
    165
  82. 81JeongeupJeollabuk-do
    165
  83. 83YeonilGyeongsangbuk-do
    165
  84. 84Cheongju-siNorth Chungcheong
    164
  85. 85Hongch’ŏnGangwon-do
    160
  86. 86SangjuGyeongsangbuk-do
    160
  87. 87GwangmyeongGyeonggi-do
    159
  88. 88NajuJeollanam-do
    158
  89. 89UlsanUlsan
    158
  90. 90MuanJeollanam-do
    158
  91. 91CheonanChungcheongnam-do
    158
  92. 92YeonggwangJeollanam-do
    158
  93. 93NaesŏGyeongsangnam-do
    157
  94. 94Donghae CityGangwon-do
    153
  95. 95WaegwanGyeongsangbuk-do
    149
  96. 96NeietsuGangwon-do
    149
  97. 97JangseongJeollanam-do
    143
  98. 98HanamGyeonggi-do
    142
  99. 99SinanJeollanam-do
    139
  100. 100SuncheonJeollanam-do
    138
  101. 101YesanChungcheongnam-do
    132
  102. 102WŏnjuGangwon-do
    124
  103. 103Gimpo-siGyeonggi-do
    115
  104. 104PyeongtaekGyeonggi-do
    113
  105. 105GunsanJeollabuk-do
    110
  106. 106SuwonGyeonggi-do
    107
  107. 107GwangyangJeollanam-do
    107
  108. 108Goyang-siGyeonggi-do
    105
  109. 109Gyeongsan-siGyeongsangbuk-do
    100
  110. 110IksanJeollabuk-do
    94
  111. 110CheorwonGangwon-do
    94
  112. 112YŏnmuChungcheongnam-do
    91
  113. 113SeoulSeoul
    83
  114. 114OsanGyeonggi-do
    81
  115. 115PohangGyeongsangbuk-do
    80
  116. 116GumiGyeongsangbuk-do
    79
  117. 117Uijeongbu-siGyeonggi-do
    77
  118. 118Cheongsong gunGyeongsangbuk-do
    75
  119. 119GijangBusan
    62
  120. 120IncheonIncheon
    61
  121. 121ChungjuNorth Chungcheong
    59
  122. 122Ansan-siGyeonggi-do
    58
  123. 123Guri-siGyeonggi-do
    57
  124. 124YeongamJeollanam-do
    55
  125. 125Bucheon-siGyeonggi-do
    55
  126. 125ChangwonGyeongsangnam-do
    55
  127. 127Anyang-siGyeonggi-do
    55
  128. 128KwangyangJeollanam-do
    54
  129. 129BusanBusan
    54
  130. 130YeosuJeollanam-do
    52
  131. 131JeonjuJeollabuk-do
    52
  132. 132Seongnam-siGyeonggi-do
    52
  133. 133DaejeonDaejeon
    48
  134. 134DaeguDaegu
    47
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, August 2026 · South Korea now

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SmogRank, most polluted cities in South Korea, PM2.5, August 2026, smogrank.com/kr/history/2026-08 (accessed 2 Oct 2026).

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