SmogRank / Countries / Hong Kong / January 2025

Most polluted cities in Hong Kong, January 2025

14 cities in Hong Kong ranked by their average PM2.5 over the 31 days. Worst: Tuen Mun at 33.0 µg/m³, #49 of 1,937 cities in the world. Cleanest: Aberdeen at 20.6. A city needs measurements on 70% of the days to be ranked.

  1. 1Tuen MunTuen Mun
    33.0
  2. 2Wan ChaiWan Chai
    31.3
  3. 3Tin Shui WaiYuen Long
    27.6
  4. 3San Tung Chung HangIslands
    27.6
  5. 5Tai PoTai Po
    26.5
  6. 6Mong KokYau Tsim Mong District
    26.1
  7. 7Tsuen WanTsuen Wan
    24.6
  8. 8Kwai ChungKwai Tsing District
    24.5
  9. 9Sham Shui PoSham Shui Po District
    23.8
  10. 10FanlingNorth District
    23.4
  11. 10VictoriaCentral and Western
    23.4
  12. 12Sau Mau PingKwun Tong District
    23.2
  13. 13Sha TinSha Tin
    21.9
  14. 14AberdeenSouthern District
    20.6
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, January 2025 · Hong Kong now