Air quality index (AQI) of all DoE (Department of the Environment) stations around Iran is shown for any selected province in this application. AQIs which are shown in the first page are based on mean value AQIs of county’s stations. 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. Index of different gasses for each station of the selected province is shown in a diagram in the second page. Location of each station with its AQI is shown in a map in the third page. Guidance of AQI and time of data is accessible through settings menu.