SmogRank / Countries / Hong Kong / May 2025

Most polluted cities in Hong Kong, May 2025

14 cities in Hong Kong ranked by their average PM2.5 over the 31 days. Worst: Wan Chai at 22.0 µg/m³, #151 of 2,193 cities in the world. Cleanest: Sha Tin at 11.1. A city needs measurements on 70% of the days to be ranked.

  1. 1Wan ChaiWan Chai
    22.0
  2. 2Tuen MunTuen Mun
    16.4
  3. 3Mong KokYau Tsim Mong District
    14.1
  4. 3FanlingNorth District
    14.1
  5. 5Kwai ChungKwai Tsing District
    13.7
  6. 6Sham Shui PoSham Shui Po District
    13.6
  7. 7Tin Shui WaiYuen Long
    13.5
  8. 8Tai PoTai Po
    13.4
  9. 8San Tung Chung HangIslands
    13.4
  10. 10Sau Mau PingKwun Tong District
    13.1
  11. 11Tsuen WanTsuen Wan
    12.2
  12. 12AberdeenSouthern District
    11.6
  13. 13VictoriaCentral and Western
    11.4
  14. 14Sha TinSha Tin
    11.1
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 · Hong Kong now