Every location has a clear indication of its last update time provided on both the AirVisual app and website. It's important to check when a place's information was last updated, in order that you can make the best decisions regarding your health and activities!
Here's where to see the last update time (provided in local time) in the AirVisual app:
How to show AirGradient stations and profiles on the IQAir map
How AirVisual Pro forecasts air quality