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

Most polluted cities in Jeollanam-do, South Korea

15 measured cities, this year; 15 above the WHO annual guideline. Worst: Mokpo at 15.8 µg/m³, #511 in the world.

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.

Gyeongsangbuk-do: 17 measured citiesJeollanam-do: 15 measured citiesGwangju: 2 measured citiesGyeongsangnam-do: 12 measured citiesJeollabuk-do: 13 measured cities#15 Kurye: 11.1 µg/m³#14 Boseong: 12.0 µg/m³#13 Yeosu: 12.6 µg/m³#12 Jangseong: 12.8 µg/m³#9 Suncheon: 12.9 µg/m³#10 Kwangyang: 12.9 µg/m³#11 Gwangyang: 12.9 µg/m³#8 Jangheung: 13.1 µg/m³#7 Muan: 13.2 µg/m³#6 Naju: 14.2 µg/m³#5 Yeonggwang: 14.5 µg/m³#3 Sinan: 14.8 µg/m³#4 Yeongam: 14.8 µg/m³#2 Haenam: 15.1 µg/m³#1 Mokpo: 15.8 µg/m³
Each dot is a measured city, coloured by its PM2.5; tap a dot to open the city.
← Haenam 7% 6%0
Every measured city in Jeollanam-do, South Korea, 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. 1Haenamlast full day 2 Oct 7%
  2. 2Yeongam 5%
  3. 3Naju 4%
  4. 4Mokpo 4%
  5. 5Yeonggwang 3%
  6. 6Sinan 3%
  7. 7Jangseong 3%
  8. 8Jangheung 2%
  9. 9Suncheon 2%
  10. 10Kwangyang 2%
  11. 11Yeosu 1%
  12. 12Gwangyang 1%
  13. 13Kurye 0%
  14. 14Muan 0%
  15. 15Boseong 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

Bad-air episodes in Jeollanam-do

Times when many cities around here had PM2.5 at twice their usual or more on the same days.

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SmogRank, most polluted cities in Jeollanam-do, South Korea, PM2.5, this year to 6 Oct 2026, 23:00 UTC, smogrank.com/kr/region/jeollanam-do?w=year.

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Updated 2026-10-06 23:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.