58256ddb_e_Air_Quality_Index_Visual_Map__Air_Pollution_Level
[AQI] 151-200 [Health Implications] Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects [Air Pollution Level] 
Unhealthy
G o o d
M o d e r a t e
U n h e a l t h y f o r S e n s i t i v e G r o u p s
U n h e a l t h y
V e r y U n h e a l t h y
H a z a r d o u s
Air Pollution in HongKong: Real-time Air Quality Index Visual Map