SmogRank / Countries / Hong Kong / August 2025

Most polluted cities in Hong Kong, August 2025

14 cities in Hong Kong ranked by their average PM2.5 over the 31 days. Worst: Wan Chai at 17.4 µg/m³, #163 of 2,289 cities in the world. Cleanest: Sha Tin at 5.6. A city needs measurements on 70% of the days to be ranked.

  1. 1Wan ChaiWan Chai
    17.4
  2. 2FanlingNorth District
    10.7
  3. 3Tuen MunTuen Mun
    8.9
  4. 4Kwai ChungKwai Tsing District
    8.6
  5. 5Mong KokYau Tsim Mong District
    8.3
  6. 6Tin Shui WaiYuen Long
    8.2
  7. 6Sham Shui PoSham Shui Po District
    8.2
  8. 8Sau Mau PingKwun Tong District
    7.8
  9. 9San Tung Chung HangIslands
    7.7
  10. 10Tsuen WanTsuen Wan
    7.5
  11. 11Tai PoTai Po
    7.4
  12. 12AberdeenSouthern District
    7.2
  13. 13VictoriaCentral and Western
    6.2
  14. 14Sha TinSha Tin
    5.6
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, August 2025 · Hong Kong now