Shanghai Air Quality 上海空气质量

The Shanghai Air Quality widget shows the real-Time Air Quality Index(AQI), measured by the U.S. Embassy in Shanghai, China.- The overall AQI and PM2.5 measurements are updated every hour.- PM10, NO2 and SO2 pollutants are also every hour (based on China MEP data).- Widget is also available for Beijing, Chengdu and Guangzhou.oOoIn 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