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
Every city in Hong Kong ranked for December 2023, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1Tuen MunTuen Mun
    51
  2. 2Wan ChaiWan Chai
    50
  3. 3Tin Shui WaiYuen Long
    43
  4. 4Mong KokYau Tsim Mong District
    40
  5. 5Tsuen WanTsuen Wan
    37
  6. 5Tai PoTai Po
    37
  7. 7VictoriaCentral and Western
    37
  8. 8Kwai ChungKwai Tsing District
    35
  9. 9Sham Shui PoSham Shui Po District
    35
  10. 10Sau Mau PingKwun Tong District
    33
  11. 11Sha TinSha Tin
    33
  12. 12FanlingNorth District
    32
  13. 13AberdeenSouthern District
    28
  14. 14San Tung Chung HangIslands
    23
Good0–50
Satisfactory51–100
Moderate101–200
Poor201–300
Very poor301–400
Severe401+

India's National Air Quality Index (CPCB), PM2.5 sub-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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