SmogRank / Countries / Hong Kong / September 2026

Most polluted cities in Hong Kong, September 2026

13 cities in Hong Kong ranked by their average PM2.5 over the 30 days. Worst: Wan Chai at 21.7 µg/m³, #147 of 2,332 cities in the world. Cleanest: Sha Tin at 11.5. A city needs measurements on 70% of the days to be ranked.

  1. 1Wan ChaiWan Chai
    21.7
  2. 2Tin Shui WaiYuen Long
    15.2
  3. 3Mong KokYau Tsim Mong District
    14.7
  4. 4Sham Shui PoSham Shui Po District
    13.9
  5. 5Kwai ChungKwai Tsing District
    13.7
  6. 5FanlingNorth District
    13.7
  7. 7Tai PoTai Po
    13.6
  8. 8Sau Mau PingKwun Tong District
    13.5
  9. 8San Tung Chung HangIslands
    13.5
  10. 10Tsuen WanTsuen Wan
    12.7
  11. 11AberdeenSouthern District
    12.4
  12. 12VictoriaCentral and Western
    12.3
  13. 13Sha TinSha Tin
    11.5
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, September 2026 · Hong Kong now