SmogRank / World / Hong Kong / December 2023

Most polluted cities in Hong Kong, December 2023

14 cities in Hong Kong ranked by their average PM2.5 over the 31 days. Worst: Tuen Mun at 30.8 µg/m³, #59 of 1,889 cities in the world. Cleanest: San Tung Chung Hang at 13.9. A city needs measurements on 70% of the days to be ranked.

← Tuen Mun 30.8 µg/m³ 30 µg/m³0
Every city in Hong Kong ranked for December 2023, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1Tuen MunTuen Mun
    4
  2. 2Wan ChaiWan Chai
    4
  3. 3Tin Shui WaiYuen Long
    3
  4. 4Mong KokYau Tsim Mong District
    3
  5. 5Tsuen WanTsuen Wan
    3
  6. 5Tai PoTai Po
    3
  7. 7VictoriaCentral and Western
    3
  8. 8Kwai ChungKwai Tsing District
    3
  9. 9Sham Shui PoSham Shui Po District
    3
  10. 10Sau Mau PingKwun Tong District
    3
  11. 11Sha TinSha Tin
    2
  12. 12FanlingNorth District
    2
  13. 13AberdeenSouthern District
    2
  14. 14San Tung Chung HangIslands
    2
Low risk1–3
Moderate risk4–6
High risk7–10
Very high risk10+

Canada's AQHI+ for PM2.5 (1 point per 10 µg/m³), which is defined on hourly values. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, December 2023 · Hong Kong now

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SmogRank, most polluted cities in Hong Kong, PM2.5, December 2023, smogrank.com/hk/history/2023-12 (accessed 2 Oct 2026).

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