Flow's quick view LED display—put another way, the lights on the front of the device—can provide feedback on surrounding air quality levels (from your Flow's last reading) and battery levels at a glance.
FLOW's Quick View LEDs
Air pollution levels are low
Air pollution levels are moderate
Flow is in its 15-minute warm-up period.
Air pollution levels are high
Air pollution levels are very high or above
Set up or pairing
Loading a measure
FLOW's Battery Indicator LED