SmogRank / Countries / Taiwan / September 2026

Most polluted cities in Taiwan, September 2026

41 cities in Taiwan ranked by their average PM2.5 over the 30 days. Worst: Jincheng at 15.0 µg/m³, #231 of 2,332 cities in the world. Cleanest: Sanzhi at 6.1. A city needs measurements on 70% of the days to be ranked.

  1. 1JinchengFukien
    15.0
  2. 2ZhushanTaiwan
    14.7
  3. 3ErlinTaiwan
    14.6
  4. 4YuanlinTaiwan
    14.5
  5. 5DouliuTaiwan
    14.4
  6. 6BeigangTaiwan
    14.2
  7. 7ErlunTaiwan
    13.5
  8. 8NantouTaiwan
    13.4
  9. 9TainanTaiwan
    13.3
  10. 9FengshanTakao
    13.3
  11. 11TaichungTaiwan
    13.1
  12. 11PuliTaiwan
    13.1
  13. 13Chiayi CityTaiwan
    12.5
  14. 14TaibaoTaiwan
    12.4
  15. 15KaohsiungTakao
    12.3
  16. 16XinyingTaiwan
    11.9
  17. 17LuguTaiwan
    11.8
  18. 17ChaozhouTaiwan
    11.8
  19. 17ChanghuaTaiwan
    11.8
  20. 20XizhouTaiwan
    11.6
  21. 21BuziTaiwan
    11.5
  22. 22YongkangTaiwan
    11.2
  23. 23NeiliTaiwan
    11.1
  24. 24XizhiTaipei
    11.0
  25. 25MiaoliTaiwan
    10.9
  26. 25TaoyuanTaiwan
    10.9
  27. 27TaipeiTaiwan
    10.5
  28. 28ZhubeiTaiwan
    10.4
  29. 29HsinchuTaiwan
    10.2
  30. 30ShulinTaipei
    10.1
  31. 30ZhudongTaiwan
    10.1
  32. 32MagongTaiwan
    10.0
  33. 33New Taipei CityTaipei
    9.5
  34. 34DaxiTaiwan
    9.3
  35. 34YilanTaiwan
    9.3
  36. 36KeelungTaiwan
    8.4
  37. 37ToufenTaiwan
    7.9
  38. 37TaitungTaiwan
    7.9
  39. 39Hualien CityTaiwan
    7.0
  40. 39HengchunTaiwan
    7.0
  41. 41SanzhiTaipei
    6.1
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, September 2026 · Taiwan now