Blueair Blue Pure 511
4.3Aikins Score•Blueair
The verdict
The Blueair Blue Pure 511 is an excellent budget-friendly choice for small spaces, delivering quiet, efficient, and effective air purification.
Read the full reviewWhat we love
- +Extremely quiet operation (24 dB on low, stays below 50 dB even on high)
- +Compact and lightweight (under 4 lbs) – perfect for small rooms or desks
- +Energy efficient – draws only 3.5 watts on medium speed
- +Good performance for its size: cleared 96.9% of smoke in 30 minutes on high
Worth noting
- –Not suitable for larger rooms (rated for ~150 sq ft)
- –No air quality monitor or auto mode
- –Replacement filters are proprietary and cost ~$30 annually
How it scored
Aikins Score4.3
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At a glance
Room sizeUp to 150 sq ft
Filter typeHEPA + activated carbon
CADRNot specified
Speeds3 speeds
Aikins Score8.6 / 10
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