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
    44
  2. 2Wan ChaiWan Chai
    44
  3. 3Tin Shui WaiYuen Long
    37
  4. 4Mong KokYau Tsim Mong District
    35
  5. 5Tsuen WanTsuen Wan
    32
  6. 5Tai PoTai Po
    32
  7. 7VictoriaCentral and Western
    32
  8. 8Kwai ChungKwai Tsing District
    31
  9. 9Sham Shui PoSham Shui Po District
    31
  10. 10Sau Mau PingKwun Tong District
    29
  11. 11Sha TinSha Tin
    29
  12. 12FanlingNorth District
    27
  13. 13AberdeenSouthern District
    24
  14. 14San Tung Chung HangIslands
    20
Excellent0–50
Good51–100
Lightly polluted101–150
Moderately polluted151–200
Heavily polluted201–300
Severely polluted301+

China's Air Quality Index (HJ 633-2012), PM2.5 individual index. 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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