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

Most polluted cities in Jeollabuk-do, South Korea

13 measured cities, last 30 days; 13 above the WHO 24-hour guideline. Worst: Nangen at 248.9 µg/m³, #3 in the world.

Gyeongsangbuk-do: 16 measured citiesJeollanam-do: 16 measured citiesChungcheongnam-do: 13 measured citiesGwangju: 2 measured citiesDaejeon: 1 measured cityGyeongsangnam-do: 13 measured citiesJeollabuk-do: 13 measured citiesNorth Chungcheong: 7 measured cities#13 Wanju: 58.2 µg/m³#12 Imsil: 72.1 µg/m³#11 Jeonju: 80.2 µg/m³#10 Iksan: 81.7 µg/m³#9 Jinan-gun: 83.0 µg/m³#8 Koch'ang: 90.6 µg/m³#7 Gunsan: 103.3 µg/m³#6 Namsa: 108.3 µg/m³#5 Buan: 110.5 µg/m³#4 Jeongeup: 125.8 µg/m³#3 Kimje: 126.8 µg/m³#2 Changsu: 128.5 µg/m³#1 Nangen: 248.9 µg/m³
Each dot is a measured city, coloured by its PM2.5; tap a dot to open the city.
← Nangen 248.9 µg/m³ 200 µg/m³15 WHO 24-hour 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 348
  2. 2Changsu 204
  3. 3Kimje 202
  4. 4Jeongeup 201
  5. 5Buan 190
  6. 6Namsa 188
  7. 7Gunsan 185
  8. 8Koch'ang 176
  9. 9Jinan-gun 170
  10. 10Iksan 169
  11. 11Jeonju 168
  12. 12Imsil 163
  13. 13Wanju 153
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 30 days to 2 Oct 2026, 07:00 UTC, smogrank.com/kr/region/jeollabuk-do?w=30d.

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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.