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

Most polluted cities in Jeollabuk-do, South Korea

13 measured cities, this year; 13 above the WHO annual guideline. Worst: Nangen at 78.5 µg/m³, #36 in the world.

Gyeongsangbuk-do: 16 measured citiesJeollanam-do: 18 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 Gunsan: 40.1 µg/m³#12 Jeonju: 41.8 µg/m³#11 Iksan: 45.3 µg/m³#10 Imsil: 52.0 µg/m³#9 Wanju: 56.9 µg/m³#8 Jeongeup: 59.0 µg/m³#7 Koch'ang: 59.9 µg/m³#6 Jinan-gun: 63.0 µg/m³#5 Buan: 68.5 µg/m³#4 Changsu: 74.5 µg/m³#3 Namsa: 74.9 µg/m³#2 Kimje: 77.0 µg/m³#1 Nangen: 78.5 µg/m³
Each dot is a measured city, coloured by its PM2.5; tap a dot to open the city.
← Nangen 78.5 µg/m³ 70 µg/m³5 WHO annual guideline
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. 1Nangen 16715.7×
  2. 2Kimje 16615.4×
  3. 3Namsa 16515.0×
  4. 4Changsu 16414.9×
  5. 5Buan 16013.7×
  6. 6Jinan-gun 15612.6×
  7. 7Koch'ang 15412.0×
  8. 8Jeongeup 15311.8×
  9. 9Wanju 15211.4×
  10. 10Imsil 14210.4×
  11. 11Iksan 1259.1×
  12. 12Jeonju 1178.4×
  13. 13Gunsan 1128.0×
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, this year to 2 Oct 2026, 07:00 UTC, smogrank.com/kr/region/jeollabuk-do?w=year.

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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.