SmogRank / Countries / Taiwan / May 2025

Most polluted cities in Taiwan, May 2025

42 cities in Taiwan ranked by their average PM2.5 over the 31 days. Worst: Jincheng at 16.2 µg/m³, #205 of 2,193 cities in the world. Cleanest: Hengchun at 4.2. A city needs measurements on 70% of the days to be ranked.

  1. 1JinchengFukien
    16.2
  2. 2TaoyuanTaiwan
    13.8
  3. 3XizhiTaipei
    13.4
  4. 4YuanlinTaiwan
    12.8
  5. 5DaxiTaiwan
    12.7
  6. 5ErlunTaiwan
    12.7
  7. 7DouliuTaiwan
    12.4
  8. 7ErlinTaiwan
    12.4
  9. 9New Taipei CityTaipei
    12.3
  10. 10FengshanTakao
    12.0
  11. 11TaipeiTaiwan
    11.8
  12. 12TaibaoTaiwan
    11.5
  13. 12NeiliTaiwan
    11.5
  14. 14TaichungTaiwan
    11.3
  15. 15ZhushanTaiwan
    11.2
  16. 16ToufenTaiwan
    11.1
  17. 16HsinchuTaiwan
    11.1
  18. 18YongkangTaiwan
    11.0
  19. 18TainanTaiwan
    11.0
  20. 18BuziTaiwan
    11.0
  21. 18BeigangTaiwan
    11.0
  22. 18ZhubeiTaiwan
    11.0
  23. 23ChanghuaTaiwan
    10.9
  24. 24NantouTaiwan
    10.8
  25. 25XinyingTaiwan
    10.6
  26. 25Chiayi CityTaiwan
    10.6
  27. 27ZhudongTaiwan
    10.2
  28. 28YilanTaiwan
    10.1
  29. 29KaohsiungTakao
    9.8
  30. 30MiaoliTaiwan
    9.7
  31. 30KeelungTaiwan
    9.7
  32. 32ShulinTaipei
    9.5
  33. 33PuliTaiwan
    9.1
  34. 33XizhouTaiwan
    9.1
  35. 35SanzhiTaipei
    8.9
  36. 35ChaozhouTaiwan
    8.9
  37. 37LuguTaiwan
    8.3
  38. 38MagongTaiwan
    8.1
  39. 39YujingTaiwan
    6.5
  40. 39Hualien CityTaiwan
    6.5
  41. 41TaitungTaiwan
    5.3
  42. 42HengchunTaiwan
    4.2
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, May 2025 · Taiwan now