SmogRank / World / South Korea / Gyeonggi-do / November 2025

Most polluted cities in Gyeonggi-do, South Korea, November 2025

26 cities in Gyeonggi-do, South Korea ranked by their average PM2.5 over the 30 days. Worst: Pubal at 30.7 µg/m³, #252 of 2,662 cities in the world. Cleanest: Wabu at 14.8. 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 November 2025, 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. 2Anseong
    21%
  3. 3Pyeongtaek
    20%
  4. 4Yeoju
    18%
  5. 5Hwado
    17%
  6. 6Hwaseong-si
    17%
  7. 7Goyang-si
    13%
  8. 8Gimpo-si
    13%
  9. 9Gwangmyeong
    13%
  10. 10Bucheon-si
    13%
  11. 11Yangp'yŏng
    11%
  12. 12Osan
    10%
  13. 12Ansan-si
    10%
  14. 14Uijeongbu-si
    10%
  15. 15Guri-si
    10%
  16. 16Yangju
    10%
  17. 17Munsan
    10%
  18. 18Namyangju
    10%
  19. 19Hanam
    10%
  20. 20Icheon-si
    7%
  21. 21Suwon
    7%
  22. 22Gwangju
    7%
  23. 23Anyang-si
    7%
  24. 24Seongnam-si
    7%
  25. 25Wabu
    4%
  26. 26Gapyeong
    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, November 2025 · All cities in South Korea, November 2025 · Gyeonggi-do now

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SmogRank, most polluted cities in Gyeonggi-do, South Korea, PM2.5, November 2025, smogrank.com/kr/region/gyeonggi-do/history/2025-11 (accessed 7 Oct 2026).

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