Real time broadcasting of the Air Quality Health Index (AQHI) reported by the 15 general and 3 roadside air monitoring stations operated by the Environmental Protection Department of the Government of Hong Kong Special Administrative Region. AQHI is reported on a scale of 1 to 10 and 10+ and grouped into five health risk categories, namely low, moderate, high, very high and serious.

Features:
(A) This App provides the following air quality information -
•Forecast of health risk of general and roadside monitoring stations
•AQHI of each general and roadside monitoring station
•AQHI of each district
•Air pollutant concentrations of each stations and their past 24 hour trends

(B) It allows users to preset health risk alerts according to their needs in the following ways -
•By station type
•By forecast or Current AQHI
•By monitoring station or by district
•By health risk level