SmogRank / World / South Korea / July 2026

Most polluted cities in South Korea, July 2026

135 cities in South Korea ranked by their average PM2.5 over the 31 days. Worst: Miryang at 557.0 µg/m³, #1 of 2,460 cities in the world. Cleanest: Daejeon at 8.7. A city needs measurements on 70% of the days to be ranked.

← Miryang 557.0 µg/m³ 500 µg/m³0
Every city in South Korea ranked for July 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. 2HwasunJeollanam-do
    500+
  3. 3PubalGyeonggi-do
    492
  4. 4KinzanChungcheongnam-do
    468
  5. 5SinanJeollanam-do
    442
  6. 6SejongSejong-si
    420
  7. 7GaigeturiJeju-do
    362
  8. 8BeolgyoJeollanam-do
    351
  9. 9HongseongChungcheongnam-do
    341
  10. 10SeosanChungcheongnam-do
    309
  11. 11HadongGyeongsangnam-do
    305
  12. 12JangheungJeollanam-do
    298
  13. 13SinhyeonGyeongsangnam-do
    295
  14. 14DamyangJeollanam-do
    291
  15. 15SeogwipoJeju-do
    285
  16. 16EisenGyeongsangbuk-do
    280
  17. 17T’aebaekGangwon-do
    254
  18. 18Jeju CityJeju-do
    251
  19. 19YeongdongNorth Chungcheong
    251
  20. 20SantyokuGangwon-do
    249
  21. 21GangneungGangwon-do
    245
  22. 22TongyeongGyeongsangnam-do
    235
  23. 23GapyeongGyeonggi-do
    235
  24. 24MokpoJeollanam-do
    233
  25. 25Hwaseong-siGyeonggi-do
    233
  26. 26Yangp'yŏngGyeonggi-do
    225
  27. 27BoryeongChungcheongnam-do
    225
  28. 28ChangnyeongGyeongsangnam-do
    222
  29. 29YeongamJeollanam-do
    221
  30. 30HayangGyeongsangbuk-do
    220
  31. 31NonsanChungcheongnam-do
    218
  32. 32AnseongGyeonggi-do
    217
  33. 33JangseongJeollanam-do
    212
  34. 34ChuncheonGangwon-do
    212
  35. 35GeojeGyeongsangnam-do
    210
  36. 36SeonghwanChungcheongnam-do
    210
  37. 37YangjuGyeonggi-do
    209
  38. 38Ganghwa-gunIncheon
    208
  39. 39MunsanGyeonggi-do
    206
  40. 40GongjuChungcheongnam-do
    205
  41. 41ChangsuJeollabuk-do
    199
  42. 42TangjinChungcheongnam-do
    199
  43. 43KimjeJeollabuk-do
    197
  44. 44MungyeongGyeongsangbuk-do
    197
  45. 45HwawŏnDaegu
    197
  46. 46SangjuGyeongsangbuk-do
    196
  47. 47ChinjuGyeongsangnam-do
    196
  48. 48PyeongtaekGyeonggi-do
    196
  49. 49KunwiGyeongsangbuk-do
    192
  50. 50KoesanNorth Chungcheong
    192
  51. 51WabuGyeonggi-do
    188
  52. 52YeongjuGyeongsangbuk-do
    186
  53. 53YeonggwangJeollanam-do
    186
  54. 54Chinch'ŏnNorth Chungcheong
    185
  55. 55YeojuGyeonggi-do
    184
  56. 56KuryeJeollanam-do
    183
  57. 57KosongGangwon-do
    182
  58. 58YŏnmuChungcheongnam-do
    181
  59. 59Gyeongsan-siGyeongsangbuk-do
    180
  60. 60OkcheonNorth Chungcheong
    178
  61. 61NajuJeollanam-do
    178
  62. 62Icheon-siGyeonggi-do
    177
  63. 63YecheonGyeongsangbuk-do
    176
  64. 64MasanGwangju
    175
  65. 65NamsaJeollabuk-do
    175
  66. 65MuanJeollanam-do
    175
  67. 67YangguGangwon-do
    174
  68. 68Taesal-liChungcheongnam-do
    172
  69. 69GwangjuGwangju
    170
  70. 70SuncheonJeollanam-do
    170
  71. 71WanjuJeollabuk-do
    168
  72. 72NangenJeollabuk-do
    168
  73. 73CheonanChungcheongnam-do
    167
  74. 74GwangjuGyeonggi-do
    166
  75. 75NeietsuGangwon-do
    166
  76. 75HwacheonGangwon-do
    166
  77. 77JeongeupJeollabuk-do
    164
  78. 78JungpyongNorth Chungcheong
    163
  79. 79Cheongsong gunGyeongsangbuk-do
    163
  80. 80HwadoGyeonggi-do
    162
  81. 81IksanJeollabuk-do
    162
  82. 82GwangmyeongGyeonggi-do
    161
  83. 83GimcheonGyeongsangbuk-do
    160
  84. 84GoseongGyeongsangnam-do
    160
  85. 85JumunjinGangwon-do
    159
  86. 86WŏnjuGangwon-do
    158
  87. 87NamyangjuGyeonggi-do
    158
  88. 88Koch'angJeollabuk-do
    158
  89. 89BuanJeollabuk-do
    157
  90. 89Hongch’ŏnGangwon-do
    157
  91. 91ImsilJeollabuk-do
    156
  92. 92YeosuJeollanam-do
    156
  93. 93AndongGyeongsangbuk-do
    155
  94. 94Donghae CityGangwon-do
    154
  95. 95AsanChungcheongnam-do
    152
  96. 96JeonjuJeollabuk-do
    152
  97. 97GumiGyeongsangbuk-do
    151
  98. 98BuyeoChungcheongnam-do
    150
  99. 99SokchoGangwon-do
    149
  100. 100NaesŏGyeongsangnam-do
    142
  101. 101GyeongjuGyeongsangbuk-do
    127
  102. 102WaegwanGyeongsangbuk-do
    126
  103. 103GwangyangJeollanam-do
    121
  104. 104PohangGyeongsangbuk-do
    117
  105. 105Goyang-siGyeonggi-do
    110
  106. 106BoseongJeollanam-do
    104
  107. 107KwangyangJeollanam-do
    100
  108. 108Guri-siGyeonggi-do
    97
  109. 109YesanChungcheongnam-do
    96
  110. 110CheorwonGangwon-do
    85
  111. 111HanamGyeonggi-do
    82
  112. 112Uijeongbu-siGyeonggi-do
    80
  113. 113Anyang-siGyeonggi-do
    79
  114. 114Jinan-gunJeollabuk-do
    77
  115. 115YangsanGyeongsangnam-do
    70
  116. 116UlsanUlsan
    63
  117. 117Gimpo-siGyeonggi-do
    60
  118. 118SeoulSeoul
    60
  119. 119IncheonIncheon
    59
  120. 120UngsangGyeongsangnam-do
    59
  121. 121ChungjuNorth Chungcheong
    59
  122. 122BusanBusan
    58
  123. 123Ansan-siGyeonggi-do
    57
  124. 124ChangwonGyeongsangnam-do
    56
  125. 125Bucheon-siGyeonggi-do
    56
  126. 126OsanGyeonggi-do
    55
  127. 127YeonilGyeongsangbuk-do
    55
  128. 127KimhaeGyeongsangnam-do
    55
  129. 129GunsanJeollabuk-do
    54
  130. 129Cheongju-siNorth Chungcheong
    54
  131. 131GijangBusan
    54
  132. 132SuwonGyeonggi-do
    54
  133. 133DaeguDaegu
    52
  134. 133Seongnam-siGyeonggi-do
    52
  135. 135DaejeonDaejeon
    48
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, July 2026 · South Korea now

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SmogRank, most polluted cities in South Korea, PM2.5, July 2026, smogrank.com/kr/history/2026-07 (accessed 2 Oct 2026).

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