SmogRank / Countries / Taiwan / May 2026

Most polluted cities in Taiwan, May 2026

41 cities in Taiwan ranked by their average PM2.5 over the 31 days. Worst: Fengshan at 16.0 µg/m³, #223 of 2,243 cities in the world. Cleanest: Sanzhi at 5.9. A city needs measurements on 70% of the days to be ranked.

  1. 1FengshanTakao
    16.0
  2. 2DouliuTaiwan
    15.8
  3. 3ErlunTaiwan
    15.6
  4. 4YuanlinTaiwan
    15.2
  5. 5NantouTaiwan
    14.8
  6. 5ZhushanTaiwan
    14.8
  7. 7ErlinTaiwan
    14.1
  8. 7JinchengFukien
    14.1
  9. 9ChanghuaTaiwan
    13.8
  10. 10BeigangTaiwan
    13.7
  11. 11TaichungTaiwan
    13.5
  12. 12Chiayi CityTaiwan
    13.3
  13. 13YongkangTaiwan
    13.1
  14. 13KaohsiungTakao
    13.1
  15. 15TainanTaiwan
    12.4
  16. 15BuziTaiwan
    12.4
  17. 17ChaozhouTaiwan
    12.3
  18. 18XinyingTaiwan
    12.2
  19. 18ShulinTaipei
    12.2
  20. 20TaibaoTaiwan
    12.0
  21. 20PuliTaiwan
    12.0
  22. 22XizhouTaiwan
    11.9
  23. 23MiaoliTaiwan
    11.8
  24. 24LuguTaiwan
    11.6
  25. 25ToufenTaiwan
    11.3
  26. 26MagongTaiwan
    10.8
  27. 27NeiliTaiwan
    10.2
  28. 27XizhiTaipei
    10.2
  29. 27New Taipei CityTaipei
    10.2
  30. 30TaipeiTaiwan
    9.9
  31. 31DaxiTaiwan
    9.8
  32. 32ZhudongTaiwan
    9.5
  33. 33ZhubeiTaiwan
    8.6
  34. 34YilanTaiwan
    8.5
  35. 34TaoyuanTaiwan
    8.5
  36. 36KeelungTaiwan
    8.3
  37. 37HsinchuTaiwan
    8.1
  38. 38TaitungTaiwan
    7.8
  39. 39Hualien CityTaiwan
    7.7
  40. 40HengchunTaiwan
    6.1
  41. 41SanzhiTaipei
    5.9
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, May 2026 · Taiwan now