Blueair’s proprietary RealTrack algorithm accurately calculates the remaining filter lifetime based on fan speed, usage time and pollution levels.
Main Filter
Captures airborne particles including, PM 2.5, pollen, dust mite matter allergen & pet dander allergen
Activated Carbon
Traps light household odors from smoke, cooking odors and more
Depending on usage, your filter will last up to 9 months.
It’s important to change your filter when needed because dirty filters clean the air less efficiently, reducing the purifier's ability to capture pollutants and affecting overall air quality in your space.
A filter change indicator light that will alert you when it's time to replace the filter. You can also check the status via the Blueair app for models with smart capabilities.
After replacing your filter, you can reset the filter light
indicator by pressing the fan speed button for about 15 seconds (until all the
LEDs of the interface light up). The filter light indicator will turn off. Then
release.




