SmogRank / Countries / Hong Kong / January 2026

Most polluted cities in Hong Kong, January 2026

14 cities in Hong Kong ranked by their average PM2.5 over the 31 days. Worst: Tuen Mun at 32.4 µg/m³, #116 of 2,047 cities in the world. Cleanest: Aberdeen at 21.9. A city needs measurements on 70% of the days to be ranked.

  1. 1Tuen MunTuen Mun
    32.4
  2. 2Wan ChaiWan Chai
    30.9
  3. 3Tin Shui WaiYuen Long
    29.0
  4. 4FanlingNorth District
    28.4
  5. 5San Tung Chung HangIslands
    27.2
  6. 6Tai PoTai Po
    25.6
  7. 6Sham Shui PoSham Shui Po District
    25.6
  8. 8VictoriaCentral and Western
    25.3
  9. 9Mong KokYau Tsim Mong District
    24.8
  10. 10Kwai ChungKwai Tsing District
    23.8
  11. 11Tsuen WanTsuen Wan
    23.1
  12. 12Sha TinSha Tin
    22.6
  13. 13Sau Mau PingKwun Tong District
    22.5
  14. 14AberdeenSouthern District
    21.9
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, January 2026 · Hong Kong now