iPhone
![iphone air webapp](https://aqicn.org/images-static/iphone6.jpg)
In order to install the Air Quality Widget for Beijing on your favorite iPhone or iPod device, launch the internet browser from your device and open this web page:
![](/xqrcode/0960440197ec4da0afeb05f4e7c294be181243eb.png?u=https%3A%2F%2Faqicn.org%2Fcity%2Fbeijing%2Fm%2F%23f%21)
![](/images/phones/nexus5.png)
Android
You can download the World Air Quality for your Android Device directly from the google app store:
https://play.google.com/store/apps/details?id=com.insdio.aqicn.airwidget.AsiaIn case you do not have access to the google Store, you can also directly download the signed APK:
https://aqicn.org/?apk.HTML5 WebApp
![](/images/phones/firephone.png)
In order to install the application, just launch the internet browser from your favorite HTML5 enabled and open the web page aqicn.org (or just scan the QR code below).
![](/xqrcode/0960440197ec4da0afeb05f4e7c294be181243eb.png?u=https%3A%2F%2Faqicn.org%2Fcity%2Fbeijing%2Fm%2F%23f%21)
Then select the city the closest station from your location by dragging the screen from left to right, and clicking on "Auto locate the nearest city".