Blueair HealthProtect 7400 Series User Manual page 9

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.
Very Polluted
Slightly Polluted
Moderate
Good
Excellent
Data not available
See the Blueair app for further information regarding air quality.
PM2.5
Particulate matter, particles
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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Air quality data 40-models and 70-models
The 40-models have an additional display that shows measured values for PM1, PM2.5 and
PM10. Press the left or right arrow to switch between the different particulate matter sizes.
Value
Particulate matter size
Indicators
Status Air quality
Value of 18 μg/m
The 70-models have a dynamic screen control that shows additional values and statuses for
different categories, and have additional indications to show active functions.
Press the left or right arrow to switch between the different categories.
PM2.5
Category
999
Value
Status bar
Active functions
for PM2.5.
3
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