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11EN
4 Using the air purifier
Understanding the air quality light
The air quality light automatically
goes on when the air purier is
switched on, and lights up all colors
in sequence� After approximately
30 seconds, the particle sensor
selects the color that corresponds to
the surrounding air quality of airborne
particles�
The color of the air quality light is determined by the highest risk index among
PM2�5, IAI and Gas readings�
IAI
The professional-grade AeraSense sensor
detects the level of indoor air allergen and
with numerical feedback from 1 to 12 the
potential risk level of indoor air allergens can
be displayed� 1 indicates best air quality�
PM2�5
AeraSense sensing technology
accurately detects and quickly
responds to even the slightest
particle change in the air� It provides
you with reassurance with real-time
PM2�5 feedback�
Most of the indoor air pollutants
fall under PM2�5 – which refers to
airborne particle pollutants smaller than 2�5 micrometers� Common indoor
sources of ne particles are tobacco smoke, cooking, burning candles� Some
airborne bacteria and the smallest mold spores, pet allergen and dust mite
allergen particles also fall under PM2�5�
GAS
With an advanced gas sensor, a display
ranging from L1 to L4 shows the level change
of potential harmful gases (incl� VOC, odor,
etc�) detected� L1 indicates best air quality�
Air quality light color Air quality level
Blue Good
Blue-purple Fair
Purple-red Poor
Red Very poor
IAI level Air quality light color
1-3 Blue
4-6 Blue-purple
7-9 Purple-red
10-12 Red
PM2�5 level Air quality light color
≤12 Blue
13-35 Blue-purple
66-55 Purple-red
>55 Red
Gas level Air quality light color
L1 Blue
L2 Blue-purple
L3 Purple-red
L4 Red
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