Blueair HealthProtect 7400 Series User Manual page 16

Air quality information
The air quality levels for particulate matter (PM) and gases (tVOC) are indicated using a color
scale on the control panel.
PM1 Particulate matter, particles with
diameter of size 1 micrometer or
less.
PM10 Particulate matter, particles with
diameter of size 10 micrometers or
less.
Indicators
Particulate matter indicator
Air quality level
The air quality indicator bar for particles will show the highest pollution level out of PM1,
PM2.5 and PM10.
See the Blueair app for further information regarding air quality.
Very Polluted
Slightly Polluted
Moderate
Good
Excellent
Data not available
Particulate matter, particles
PM2.5
with diameter of size
2.5 micrometers or less.
VOC Volatile organic compounds,
gases found in both outdoor
and indoor air.
Gases (tVOC) indicator
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