Annual Average Health Risks
Historical Record of Annual Average AQI (AAQI) [
Show AQ Concentration
]
Station:
Central/Western
Eastern
Kwai Chung
Kwun Tong
Sham Shui Po
Tsuen Wan
Sha Tin
Tai Po
Tung Chung
Yuen Long
Tap Mun
Causeway Bay
Central
Mong Kok
AAQI =
12-Month Rolling Average Concentration
Annual
*
WHO Air Quality Guideline
* As there is no annual WHO AOG for O
3
, we have calculated AAQI only for PM
2.5
, PM
10
, NO
2
and SO
2
.