If you wish, it is possible to display PM2.5 concentration along with AQI readings.
To access this setting go to the main menu by pressing the ‘OK’ button, then navigate to Display > Units > AQI > ‘PM2.5 concentration’, select ‘Display’ > ‘Save and exit’.




Heat Index in IQAir Widgets and AirVisual API
How can I access historical data on the IQAir platform?