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

Most polluted cities in Jeollanam-do, South Korea

16 measured cities, last 30 days; 16 above the WHO 24-hour guideline. Worst: Hwasun at 287.9 µg/m³, #2 in the world.

Gyeongsangbuk-do: 16 measured citiesJeollanam-do: 16 measured citiesGwangju: 2 measured citiesGyeongsangnam-do: 13 measured citiesJeollabuk-do: 13 measured cities#16 Yeosu: 23.6 µg/m³#15 Kwangyang: 24.6 µg/m³#14 Suncheon: 39.1 µg/m³#13 Gwangyang: 43.6 µg/m³#12 Jangseong: 50.3 µg/m³#11 Yeongam: 52.1 µg/m³#10 Kurye: 64.5 µg/m³#9 Sinan: 67.9 µg/m³#8 Naju: 70.4 µg/m³#7 Boseong: 79.6 µg/m³#6 Haenam: 81.9 µg/m³#5 Muan: 89.6 µg/m³#4 Jangheung: 92.0 µg/m³#3 Yeonggwang: 96.2 µg/m³#2 Mokpo: 127.0 µg/m³#1 Hwasun: 287.9 µg/m³
Each dot is a measured city, coloured by its PM2.5; tap a dot to open the city.
← Hwasun 287.9 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every measured city in Jeollanam-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. 1Hwasun 425
  2. 2Mokpo 202
  3. 3Yeonggwang 180
  4. 4Jangheung 177
  5. 5Muan 175
  6. 6Haenam 170
  7. 7Boseong 168
  8. 8Naju 161
  9. 9Sinan 160
  10. 10Kurye 157
  11. 11Yeongam 142
  12. 12Jangseong 137
  13. 13Gwangyang 121
  14. 14Suncheon 110
  15. 15Kwangyang 80
  16. 16Yeosu 78
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 Jeollanam-do, South Korea, PM2.5, last 30 days to 2 Oct 2026, 06:00 UTC, smogrank.com/kr/region/jeollanam-do?w=30d.

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Updated 2026-10-02 06:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.