SmogRank / World / South Korea / Gyeonggi-do / February 2026

Most polluted cities in Gyeonggi-do, South Korea, February 2026

26 cities in Gyeonggi-do, South Korea ranked by their average PM2.5 over the 28 days. Worst: Pubal at 32.1 µg/m³, #228 of 2,841 cities in the world. Cleanest: Hwaseong-si at 22.8. 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.

← Pubal 30% 20%0
Every city in Gyeonggi-do, South Korea ranked for February 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. 1Pubal
    30%
  2. 2Hwado
    30%
  3. 3Gapyeong
    30%
  4. 4Icheon-si
    30%
  5. 5Munsan
    29%
  6. 6Yeoju
    26%
  7. 7Gwangju
    26%
  8. 8Yangp'yŏng
    26%
  9. 9Anseong
    26%
  10. 10Hwaseong-si
    26%
  11. 11Gimpo-si
    25%
  12. 12Uijeongbu-si
    25%
  13. 13Guri-si
    25%
  14. 14Seongnam-si
    25%
  15. 15Wabu
    22%
  16. 16Namyangju
    22%
  17. 17Suwon
    22%
  18. 18Goyang-si
    22%
  19. 19Pyeongtaek
    22%
  20. 20Yangju
    22%
  21. 21Ansan-si
    22%
  22. 22Gwangmyeong
    21%
  23. 23Bucheon-si
    21%
  24. 24Hanam
    21%
  25. 25Anyang-si
    21%
  26. 26Osan
    19%
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, February 2026 · All cities in South Korea, February 2026 · Gyeonggi-do now

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SmogRank, most polluted cities in Gyeonggi-do, South Korea, PM2.5, February 2026, smogrank.com/kr/region/gyeonggi-do/history/2026-02 (accessed 7 Oct 2026).

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