SmogRank / Countries / Taiwan / January 2026

Most polluted cities in Taiwan, January 2026

41 cities in Taiwan ranked by their average PM2.5 over the 31 days. Worst: Fengshan at 26.3 µg/m³, #158 of 2,047 cities in the world. Cleanest: Sanzhi at 7.9. A city needs measurements on 70% of the days to be ranked.

  1. 1FengshanTakao
    26.3
  2. 2KaohsiungTakao
    25.4
  3. 3ChaozhouTaiwan
    25.0
  4. 4DouliuTaiwan
    24.8
  5. 5JinchengFukien
    24.2
  6. 6YongkangTaiwan
    24.1
  7. 7Chiayi CityTaiwan
    23.5
  8. 8TainanTaiwan
    23.3
  9. 9XinyingTaiwan
    22.8
  10. 10ErlunTaiwan
    22.7
  11. 11ZhushanTaiwan
    21.4
  12. 12BeigangTaiwan
    20.7
  13. 13TaibaoTaiwan
    20.4
  14. 14YuanlinTaiwan
    19.8
  15. 14PuliTaiwan
    19.8
  16. 16NantouTaiwan
    19.1
  17. 17ErlinTaiwan
    18.5
  18. 18NeiliTaiwan
    16.7
  19. 18LuguTaiwan
    16.7
  20. 20ChanghuaTaiwan
    16.4
  21. 21TaichungTaiwan
    16.3
  22. 21BuziTaiwan
    16.3
  23. 23ShulinTaipei
    15.8
  24. 24DaxiTaiwan
    14.5
  25. 24MiaoliTaiwan
    14.5
  26. 26MagongTaiwan
    14.0
  27. 27ToufenTaiwan
    13.9
  28. 27HsinchuTaiwan
    13.9
  29. 29XizhiTaipei
    13.7
  30. 30TaipeiTaiwan
    13.5
  31. 30XizhouTaiwan
    13.5
  32. 30New Taipei CityTaipei
    13.5
  33. 33TaoyuanTaiwan
    13.2
  34. 34KeelungTaiwan
    13.0
  35. 35ZhubeiTaiwan
    12.6
  36. 36ZhudongTaiwan
    12.3
  37. 37YilanTaiwan
    11.9
  38. 38Hualien CityTaiwan
    8.7
  39. 39HengchunTaiwan
    8.4
  40. 40TaitungTaiwan
    7.9
  41. 40SanzhiTaipei
    7.9
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, January 2026 · Taiwan now