The Shenzhen Air Pollution widget shows the real-Time Air Quality Index(AQI).
- The overall AQI and PM2.5 measurements are updated every hour.
- PM10, NO2 and SO2 pollutants are also every hour .
The widget can also provide real-time data for Hong Kong, Shanghai, Chengdu and Guangzhou and Beijing (data based of US embassies).
In order to install the widget, you need to insert it on the homescreen:
- If you are using Android 4.0 (Ice Cream sandwich), select the "All Apps" icon (usually on the top-right corner), then the widget tab, and click on the "Shenzhen Air" widget.
- If you are using any other version below 4.0, you need to long-press in an empty area on the default home screen and select "Widgets", and then "Shenzhen Air".
For more information, you can consult the website www.aqicn.info.