iPhone Screenshots


This app is to show Beijing air quality index which is about PM2.5 quality index. And the data is from U.S. Consulate Beijing. Apple watch support.

What’s New

Version 2.4

This app has been updated by Apple to use the latest Apple signing certificate.

1. add app icon badge number
2. fetch data in background (iOS 7)
3. Apple Watch support
4. Today widget support

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating

Bristophocles ,

Simple and straightforward AQI

Elegantly simple and straightforward. Gives me AQI at a quick glance.

phillipguy ,


Simple and beautiful.
Useful for letting me know whether I should wear a mask or not :)

App Privacy

The developer, Yi Fang, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

More By This Developer

You May Also Like