SmogRank / World / South Korea / Jeollabuk-do / January 2026

Most polluted cities in Jeollabuk-do, South Korea, January 2026

13 cities in Jeollabuk-do, South Korea ranked by their average PM2.5 over the 31 days. Worst: Kimje at 25.7 µg/m³, #234 of 2,593 cities in the world. Cleanest: Changsu at 15.8. A city needs measurements on 70% of the days to be ranked.

Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.

← Kimje 16% 10%0
Every city in Jeollabuk-do, South Korea ranked for January 2026, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.
  1. 1Kimje
    16%
  2. 2Buan
    16%
  3. 2Jeongeup
    16%
  4. 4Namsa
    13%
  5. 4Iksan
    13%
  6. 6Gunsan
    13%
  7. 7Jeonju
    13%
  8. 8Wanju
    13%
  9. 9Koch'ang
    13%
  10. 10Nangen
    10%
  11. 11Imsil
    10%
  12. 12Jinan-gun
    6%
  13. 13Changsu
    6%
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, January 2026 · All cities in South Korea, January 2026 · Jeollabuk-do now

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SmogRank, most polluted cities in Jeollabuk-do, South Korea, PM2.5, January 2026, smogrank.com/kr/region/jeollabuk-do/history/2026-01 (accessed 7 Oct 2026).

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