SmogRank / Countries / Hong Kong / 2026

Most polluted cities in Hong Kong, 2026

10 cities in Hong Kong ranked by their average PM2.5 so far (273 of 365 days); 10 above the WHO annual guideline (5.0 µg/m³). Worst: Wan Chai at 23.1 µg/m³, #201 of 2,181 cities in the world. Cleanest: Aberdeen at 13.8. A city needs measurements on 70% of the days to be ranked.

  1. 1Wan ChaiWan Chai
    23.14.6×
  2. 2Tin Shui WaiYuen Long
    17.03.4×
  3. 3Sham Shui PoSham Shui Po District
    16.93.4×
  4. 4Kwai ChungKwai Tsing District
    16.53.3×
  5. 5Mong KokYau Tsim Mong District
    16.33.3×
  6. 6Tai PoTai Po
    16.03.2×
  7. 6Sau Mau PingKwun Tong District
    16.03.2×
  8. 8VictoriaCentral and Western
    15.23.0×
  9. 9Sha TinSha Tin
    14.12.8×
  10. 10AberdeenSouthern District
    13.82.8×
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, 2026 · Hong Kong now