SmogRank / Countries / Hong Kong / July 2025

Most polluted cities in Hong Kong, July 2025

14 cities in Hong Kong ranked by their average PM2.5 over the 31 days. Worst: Wan Chai at 19.6 µg/m³, #130 of 2,283 cities in the world. Cleanest: Victoria at 7.9. A city needs measurements on 70% of the days to be ranked.

  1. 1Wan ChaiWan Chai
    19.6
  2. 2FanlingNorth District
    13.5
  3. 3Kwai ChungKwai Tsing District
    12.1
  4. 4Tuen MunTuen Mun
    11.4
  5. 5Tin Shui WaiYuen Long
    11.3
  6. 6Mong KokYau Tsim Mong District
    11.1
  7. 7Tai PoTai Po
    11.0
  8. 8San Tung Chung HangIslands
    10.9
  9. 9Sham Shui PoSham Shui Po District
    10.8
  10. 10AberdeenSouthern District
    10.7
  11. 11Tsuen WanTsuen Wan
    10.6
  12. 12Sau Mau PingKwun Tong District
    10.5
  13. 13Sha TinSha Tin
    9.1
  14. 14VictoriaCentral and Western
    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, July 2025 · Hong Kong now