SmogRank / Countries / Hong Kong / August 2026

Most polluted cities in Hong Kong, August 2026

12 cities in Hong Kong ranked by their average PM2.5 over the 31 days. Worst: Wan Chai at 20.7 µg/m³, #145 of 2,312 cities in the world. Cleanest: Sha Tin at 9.9. A city needs measurements on 70% of the days to be ranked.

  1. 1Wan ChaiWan Chai
    20.7
  2. 2Kwai ChungKwai Tsing District
    12.1
  3. 3Mong KokYau Tsim Mong District
    11.8
  4. 4San Tung Chung HangIslands
    11.4
  5. 4AberdeenSouthern District
    11.4
  6. 6Tin Shui WaiYuen Long
    11.3
  7. 6Sau Mau PingKwun Tong District
    11.3
  8. 8Sham Shui PoSham Shui Po District
    11.1
  9. 9Tai PoTai Po
    11.0
  10. 10Tsuen WanTsuen Wan
    10.5
  11. 11VictoriaCentral and Western
    10.0
  12. 12Sha TinSha Tin
    9.9
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, August 2026 · Hong Kong now