Acoustic Academy

Blueair Blue Pure 411 Air Purifier

  • Blue Pure 411 is not only whisper silent and energy efficient, the one-button speed control makes it super easy to use. The entire bottom part of each air purifier consists of an advanced filter. Using both mechanical and electrostatic filtration, it catches virtually every airborne contaminant down to a virus in size: pollen, dust, pet dander, mould spores, smoke, allergens and bacteria.

    All five Quiet Mark awarded Blueair air purifiers have been accredited with the prestigious Good Housekeeping Institute stamp of approval.


    • Room size: 15M2 (161 FT2) 
    • CADR (Smoke): 180 m3/H (105 CFM)
    • CADR (Dust): 200 m3 per hour (120 cfm)
    • CADR (Pollen): 200m3 per hour (120 cfm)
    • Consumption: 1.5 - 46 watts


Quiet Mark product reviews are unbiased, independent advice you can trust. Quiet Mark only awards products following expert acoustic assessments and real-world testing. If you click on a retailer link, we may sometimes receive affiliate commission, but we never allow this to bias our service. All commission received will help fund the internationally recognised UK Noise Abatement Society Charitable Foundation.

Sound Made Simple

Acoustics Academy’s Sound Made Simple guide clarifies complex acoustic terminology with insights to design with sound.