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
Every city in South Korea ranked for August 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. 1MiryangGyeongsangnam-do
    428.2
  2. 2SinhyeonGyeongsangnam-do
    392.3
  3. 3HadongGyeongsangnam-do
    364.8
  4. 4SeogwipoJeju-do
    333.4
  5. 5SejongSejong-si
    318.7
  6. 6GaigeturiJeju-do
    302.2
  7. 7ChuncheonGangwon-do
    262.7
  8. 8HongseongChungcheongnam-do
    254.4
  9. 9Taesal-liChungcheongnam-do
    253.0
  10. 10SeosanChungcheongnam-do
    246.8
  11. 11KinzanChungcheongnam-do
    235.8
  12. 12YeongdongNorth Chungcheong
    234.5
  13. 13TangjinChungcheongnam-do
    221.6
  14. 14AnseongGyeonggi-do
    217.1
  15. 15KosongGangwon-do
    213.1
  16. 16GangneungGangwon-do
    199.8
  17. 17PubalGyeonggi-do
    199.5
  18. 18GoseongGyeongsangnam-do
    196.0
  19. 19HwasunJeollanam-do
    185.5
  20. 20OkcheonNorth Chungcheong
    180.5
  21. 21Jinan-gunJeollabuk-do
    178.1
  22. 22BuanJeollabuk-do
    174.5
  23. 23GapyeongGyeonggi-do
    173.7
  24. 24YangjuGyeonggi-do
    167.4
  25. 25Chinch'ŏnNorth Chungcheong
    166.4
  26. 26NonsanChungcheongnam-do
    164.7
  27. 27Yangp'yŏngGyeonggi-do
    162.2
  28. 28Ganghwa-gunIncheon
    154.7
  29. 29ChinjuGyeongsangnam-do
    152.6
  30. 30GimcheonGyeongsangbuk-do
    149.9
  31. 31EisenGyeongsangbuk-do
    148.4
  32. 32NangenJeollabuk-do
    146.5
  33. 33GeojeGyeongsangnam-do
    144.3
  34. 34HwawŏnDaegu
    142.8
  35. 35GyeongjuGyeongsangbuk-do
    141.9
  36. 36WabuGyeonggi-do
    139.6
  37. 37Jeju CityJeju-do
    138.8
  38. 38Koch'angJeollabuk-do
    137.8
  39. 39NamsaJeollabuk-do
    137.5
  40. 40YeongjuGyeongsangbuk-do
    137.0
  41. 41Hwaseong-siGyeonggi-do
    136.6
  42. 42GongjuChungcheongnam-do
    136.5
  43. 43BoryeongChungcheongnam-do
    132.4
  44. 44NamyangjuGyeonggi-do
    131.1
  45. 45JumunjinGangwon-do
    131.0
  46. 46KuryeJeollanam-do
    128.9
  47. 47HwadoGyeonggi-do
    128.7
  48. 48MungyeongGyeongsangbuk-do
    128.4
  49. 49HaenamJeollanam-do
    127.0
  50. 50ChangsuJeollabuk-do
    122.7
  51. 51MasanGwangju
    121.7
  52. 52KunwiGyeongsangbuk-do
    120.8
  53. 53TongyeongGyeongsangnam-do
    119.7
  54. 54KoesanNorth Chungcheong
    116.4
  55. 55SeonghwanChungcheongnam-do
    116.0
  56. 56ChangnyeongGyeongsangnam-do
    112.7
  57. 57YangsanGyeongsangnam-do
    111.6
  58. 57JungpyongNorth Chungcheong
    111.6
  59. 59MunsanGyeonggi-do
    110.3
  60. 60YeojuGyeonggi-do
    108.0
  61. 61BoseongJeollanam-do
    106.4
  62. 62HayangGyeongsangbuk-do
    105.1
  63. 63SantyokuGangwon-do
    104.0
  64. 64BuyeoChungcheongnam-do
    103.1
  65. 65T’aebaekGangwon-do
    102.1
  66. 66AsanChungcheongnam-do
    99.6
  67. 67KimjeJeollabuk-do
    98.8
  68. 68UngsangGyeongsangnam-do
    98.0
  69. 69Icheon-siGyeonggi-do
    92.6
  70. 70SokchoGangwon-do
    92.2
  71. 71GwangjuGwangju
    90.2
  72. 72HwacheonGangwon-do
    89.7
  73. 73YangguGangwon-do
    87.3
  74. 74MokpoJeollanam-do
    85.5
  75. 75GwangjuGyeonggi-do
    83.8
  76. 76WanjuJeollabuk-do
    79.6
  77. 77YecheonGyeongsangbuk-do
    77.4
  78. 78AndongGyeongsangbuk-do
    77.3
  79. 79KimhaeGyeongsangnam-do
    76.4
  80. 80ImsilJeollabuk-do
    76.1
  81. 81JangheungJeollanam-do
    75.6
  82. 81JeongeupJeollabuk-do
    75.6
  83. 83YeonilGyeongsangbuk-do
    75.5
  84. 84Cheongju-siNorth Chungcheong
    73.5
  85. 85Hongch’ŏnGangwon-do
    69.0
  86. 86SangjuGyeongsangbuk-do
    68.9
  87. 87GwangmyeongGyeonggi-do
    67.6
  88. 88NajuJeollanam-do
    66.0
  89. 89UlsanUlsan
    65.7
  90. 90MuanJeollanam-do
    65.5
  91. 91CheonanChungcheongnam-do
    65.3
  92. 92YeonggwangJeollanam-do
    64.9
  93. 93NaesŏGyeongsangnam-do
    64.6
  94. 94Donghae CityGangwon-do
    57.7
  95. 95WaegwanGyeongsangbuk-do
    55.0
  96. 96NeietsuGangwon-do
    54.9
  97. 97JangseongJeollanam-do
    52.5
  98. 98HanamGyeonggi-do
    52.1
  99. 99SinanJeollanam-do
    50.9
  100. 100SuncheonJeollanam-do
    50.4
  101. 101YesanChungcheongnam-do
    48.2
  102. 102WŏnjuGangwon-do
    44.9
  103. 103Gimpo-siGyeonggi-do
    41.1
  104. 104PyeongtaekGyeonggi-do
    40.4
  105. 105GunsanJeollabuk-do
    39.1
  106. 106SuwonGyeonggi-do
    38.0
  107. 107GwangyangJeollanam-do
    37.8
  108. 108Goyang-siGyeonggi-do
    37.2
  109. 109Gyeongsan-siGyeongsangbuk-do
    35.2
  110. 110IksanJeollabuk-do
    32.2
  111. 110CheorwonGangwon-do
    32.2
  112. 112YŏnmuChungcheongnam-do
    30.4
  113. 113SeoulSeoul
    26.1
  114. 114OsanGyeonggi-do
    25.2
  115. 115PohangGyeongsangbuk-do
    24.8
  116. 116GumiGyeongsangbuk-do
    24.2
  117. 117Uijeongbu-siGyeonggi-do
    23.2
  118. 118Cheongsong gunGyeongsangbuk-do
    22.1
  119. 119GijangBusan
    14.8
  120. 120IncheonIncheon
    14.3
  121. 121ChungjuNorth Chungcheong
    13.3
  122. 122Ansan-siGyeonggi-do
    12.8
  123. 123Guri-siGyeonggi-do
    12.1
  124. 124YeongamJeollanam-do
    11.5
  125. 125Bucheon-siGyeonggi-do
    11.3
  126. 125ChangwonGyeongsangnam-do
    11.3
  127. 127Anyang-siGyeonggi-do
    11.1
  128. 128KwangyangJeollanam-do
    10.7
  129. 129BusanBusan
    10.6
  130. 130YeosuJeollanam-do
    9.9
  131. 131JeonjuJeollabuk-do
    9.8
  132. 132Seongnam-siGyeonggi-do
    9.4
  133. 133DaejeonDaejeon
    8.6
  134. 134DaeguDaegu
    8.4
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, 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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