Real time broadcasting of the Air Quality Health Index (AQHI) reported by the 13 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

• Program Optimization