SmogRank / World / Asia / South Korea / Jeollabuk-do

Most polluted cities in Jeollabuk-do, South Korea

13 measured cities, last 7 days; 2 above the WHO 24-hour guideline. Worst: Wanju at 16.5 µg/m³, #276 in the world.

Gyeongsangbuk-do: 16 measured citiesJeollanam-do: 16 measured citiesChungcheongnam-do: 14 measured citiesGwangju: 2 measured citiesDaejeon: 1 measured cityGyeongsangnam-do: 13 measured citiesJeollabuk-do: 13 measured citiesNorth Chungcheong: 7 measured cities#13 Jinan-gun: 9.3 µg/m³#12 Koch'ang: 10.5 µg/m³#11 Imsil: 11.0 µg/m³#10 Jeonju: 11.4 µg/m³#9 Changsu: 11.6 µg/m³#8 Iksan: 12.4 µg/m³#7 Namsa: 12.5 µg/m³#6 Nangen: 12.7 µg/m³#5 Gunsan: 13.6 µg/m³#4 Buan: 14.1 µg/m³#3 Jeongeup: 14.2 µg/m³#2 Kimje: 15.9 µg/m³#1 Wanju: 16.5 µg/m³
Each dot is a measured city, coloured by its PM2.5; tap a dot to open the city.
← Wanju 16.5 µg/m³ 15 µg/m³ WHO 24-hour guideline0
Every measured city in Jeollabuk-do, South Korea, 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. 1Wanju 65
  2. 2Kimje 64
  3. 3Jeongeup 61
  4. 4Buan 60
  5. 5Gunsan 59
  6. 6Nangen 58
  7. 7Namsa 57
  8. 8Iksan 57
  9. 9Changsu 56
  10. 10Jeonju 55
  11. 11Imsil 55
  12. 12Koch'ang 54
  13. 13Jinan-gun 51
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

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SmogRank, most polluted cities in Jeollabuk-do, South Korea, PM2.5, last 7 days to 2 Oct 2026, 07:00 UTC, smogrank.com/kr/region/jeollabuk-do?w=7d.

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Updated 2026-10-02 07:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.