App and widget providing detailed air quality data of over 190 cities in China. Also include US Consulate data of Shanghai/Beijing/Guangzhou/Chengdu.

* Hourly real time data of over 190 major cities in China
* US Consulate PM2.5 data for Shanghai, Beijing, Guangzhou and Chengdu
* Including PM2.5 PM10 SO2 NO2 O3 CO
* 24-hour/30-day/12-month history view
* Support widget
* Share pic/text to other apps (twitter, email etc)
* Switching between US/China AQI standard
* Support air quality warning

Usage:
* Use initials to find a location
* The default data shown is the primary pollutant (max AQI), click on station to expand the detailed data
* Slide left on station to activate history view
* Long press on station to delete/share
* Reset can be used to recover from unknown errors

About Permission:
WRITE_EXTERNAL_STORAGE: for screen capture and share
INTERNET: for data retrieving

US Consulate Data：
http://www.beijingaqifeed.com/
Other major cities:
http://www.pm25.in