Standby mode: the fan, the air quality sensors and LED indicators will not be not running. You can turn on your air purifier via the Blueair app or directly from the air purifier panel button by pressing and selecting a fan mode.
Auto mode: Automatic fan speed based on real-time air quality. Recommended setting for optimal air purification and better energy efficiency.
Night mode: lowest fan speed. In Night mode, the LEDs on the air purifier are fully dimmed and the air purifier is at its quietest setting to create a peaceful sleep environment.
Speed One : low fan speed, ideal for rooms with good air quality and infrequent air pollution spikes, for daily use.
Speed Two: medium fan speed for rooms with moderate air quality and occassional flux of pollution levels, for daily use.
Speed Three: maximum fan speed and noise level for rooms with poor air quality. Ideal for immediate air purification during activities such as making the bed, cleaning, cooking or if exterior air pollution is high (ie. wildfire, high pollen count)
Speed Four: highest speed setting for fastest cleaning (only available for 211i Max).
Speed Zero: only the fan is inactive. The air purifier continues to monitor the air quality levels and can be interacted with.
The unit will automatically restart at the set speed after a power failure.
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