SmogRank / World / South Korea / Jeollanam-do / March 2026

Most polluted cities in Jeollanam-do, South Korea, March 2026

18 cities in Jeollanam-do, South Korea ranked by their average PM2.5 over the 31 days. Worst: Haenam at 24.5 µg/m³, #446 of 2,947 cities in the world. Cleanest: Beolgyo at 15.3. A city needs measurements on 70% of the days to be ranked.

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.

← Haenam 19% 15%0
Every city in Jeollanam-do, South Korea ranked for March 2026, 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. 1Haenam
    19%
  2. 2Yeongam
    13%
  3. 3Kwangyang
    13%
  4. 4Suncheon
    13%
  5. 5Yeonggwang
    13%
  6. 6Damyang
    10%
  7. 7Yeosu
    10%
  8. 8Naju
    10%
  9. 9Mokpo
    6%
  10. 10Jangseong
    6%
  11. 11Sinan
    6%
  12. 12Gwangyang
    6%
  13. 13Kurye
    3%
  14. 14Jangheung
    3%
  15. 15Muan
    0%
  16. 16Boseong
    0%
  17. 17Hwasun
    0%
  18. 18Beolgyo
    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

All cities in the world, March 2026 · All cities in South Korea, March 2026 · Jeollanam-do now

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SmogRank, most polluted cities in Jeollanam-do, South Korea, PM2.5, March 2026, smogrank.com/kr/region/jeollanam-do/history/2026-03 (accessed 6 Oct 2026).

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