Hong Kong Air Quality AQI/AQHI

All of the air quality information you need to know in Hong Kong. We provide AQHI and AQI as well as the pollutant concentration of NO2, O3, SO2, CO, PM10 and PM2.5. Also, we support notifications. Enjoying the app? Leave us feedback and a rating to let us know! You can also drop us a message at [email protected].