|iPhone||Windows mobile||Android||Firephone and|
You can download the Asia / World Air Quality for your Android Device directly from the google app store: play.google.com
In case you do not have access to the google Store, you can also directly download the signed apk file
下载此应用 - 如果不能访问 Google应用商店，你也可以从我们的网站上直接下载APK文件
You can download the Asia / World Air Quality for your Windows Mobile / Lumia Device directly from the Windows app store: windowphones.com
In case you have problem to access the Store, you can directly download the ".xap" file from our server from this link
In order to install the Beijing
Air Quality Widget on your favorite iPhone or iPod device, just launch the internet browser from your device and open the web page: http://ios.aqicn.org/?1451Or just scan this QR-code:
Then click on this icon to install the widget as an applicationdirectly accessible from your iPhone homescreen.
In order to install the application, just launch the internet browser from your favorite HTML5enabled and open the web page aqicn.org
(or just scan the QR code on the right).
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".
About the Air Quality Levels
|AQI||Air Pollution Level||Health Implications||Cautionary Statement (for PM2.5)|
|0 - 50||Good||Air quality is considered satisfactory, and air pollution poses little or no risk||None|
|51 -100||Moderate||Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.||Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.|
|101-150||Unhealthy for Sensitive Groups||Members of sensitive groups may experience health effects. The general public is not likely to be affected.||Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.|
|151-200||Unhealthy||Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects||Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion|
|201-300||Very Unhealthy||Health warnings of emergency conditions. The entire population is more likely to be affected.||Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.|
|300+||Hazardous||Health alert: everyone may experience more serious health effects||Everyone should avoid all outdoor exertion|
To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.
For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.
Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.