Hello, it seems that there is a problem with airlink, in the weatherlink app the bar with the colored arrow is always in the same position indicating good air quality (green) even though the indicator is yellow (moderate), I am giving you a screenshot of image where you can see that the nowcast aqi is 63 (yellow) but the arrow in the color bar remains green without moving on all the devices that I have been able to check.
Greetings