3 ms·
Some AQI measures are not realtime. You were probably looking at a 24-hour average like airnow.gov or something (as opposed to something like PurpleAir which is
by diebeforei485 3y ago
Some AQI measures are not realtime. You were probably looking at a 24-hour average like airnow.gov or something (as opposed to something like PurpleAir which is realtime)