SmogRank / Countries / Taiwan / April 2025

Most polluted cities in Taiwan, April 2025

41 cities in Taiwan ranked by their average PM2.5 over the 30 days. Worst: Jincheng at 26.6 µg/m³, #131 of 2,286 cities in the world. Cleanest: Hengchun at 9.8. A city needs measurements on 70% of the days to be ranked.

  1. 1JinchengFukien
    26.6
  2. 2ErlunTaiwan
    23.2
  3. 3DouliuTaiwan
    21.5
  4. 3YuanlinTaiwan
    21.5
  5. 5TaibaoTaiwan
    21.2
  6. 6BuziTaiwan
    21.0
  7. 6ErlinTaiwan
    21.0
  8. 8TaoyuanTaiwan
    20.8
  9. 9YongkangTaiwan
    20.3
  10. 9TaichungTaiwan
    20.3
  11. 9HsinchuTaiwan
    20.3
  12. 12NeiliTaiwan
    20.2
  13. 12FengshanTakao
    20.2
  14. 14NantouTaiwan
    20.1
  15. 15XinyingTaiwan
    20.0
  16. 15BeigangTaiwan
    20.0
  17. 17ChanghuaTaiwan
    19.9
  18. 18TainanTaiwan
    19.8
  19. 18ZhushanTaiwan
    19.8
  20. 20XizhouTaiwan
    19.7
  21. 20ZhubeiTaiwan
    19.7
  22. 22TaipeiTaiwan
    19.6
  23. 23ChaozhouTaiwan
    19.3
  24. 24ToufenTaiwan
    19.2
  25. 25KaohsiungTakao
    19.1
  26. 25Chiayi CityTaiwan
    19.1
  27. 27New Taipei CityTaipei
    19.0
  28. 28DaxiTaiwan
    18.5
  29. 29PuliTaiwan
    18.4
  30. 30XizhiTaipei
    18.3
  31. 31MiaoliTaiwan
    17.8
  32. 32ShulinTaipei
    17.7
  33. 33MagongTaiwan
    17.6
  34. 34ZhudongTaiwan
    17.2
  35. 35YujingTaiwan
    15.0
  36. 36KeelungTaiwan
    14.9
  37. 37YilanTaiwan
    14.4
  38. 38SanzhiTaipei
    13.5
  39. 39Hualien CityTaiwan
    11.5
  40. 40TaitungTaiwan
    10.7
  41. 41HengchunTaiwan
    9.8
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, April 2025 · Taiwan now

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SmogRank, most polluted cities in Taiwan, PM2.5, April 2025, smogrank.com/tw/history/2025-04 (accessed 2 Oct 2026).

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