Philips PureProtect Mini 900 Series - Using the air purifier; Understanding the air quality light; Turning on and off

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Using the air purifier
Understanding the air quality light
The air quality light automatically goes on when the air purifier 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 PM2.5 reading.
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 fine
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.
PM2.5 level Air quality color Air quality level
≤12 Blue Good
13-35 Blue-purple Fair
36-55 Purple-red Poor
>55 Red Very poor
Turning on and off
Note:
For optimum purification performance, close doors and windows.
Keep curtains away from the air inlet or air outlet.
1 Put the adapter of the air purifier into the power socket.