Air quality index of all stations around Iran is shown for any selected province.
AQIs which are shown in the first page are based on mean value AQIs of county’s stations, but not mean value of whole province stations AQI values. In this case user select a county and mean AQI values of the county’s stations shown in the first page. Other pages show the detailed information of whole province stations.
In the case android device lose connection to internet, the app shows the cashed data which was received in the last session of connection along the received time.