Blueair Blue Pure 211+ Review: Big Power for Large Rooms

Blueair Blue Pure 211+ Air Purifier by Blueair

Air Purifier
4.7
HomeAirIQ Rating

The Blueair Blue Pure 211+ is one of the strongest large-room air purifiers available, delivering extremely high CADR performance with simple controls and quiet operation.

large-roomsopen-concepthigh-cadrsimple-controlssmoke-and-odors

At a Glance

Pros

  • Outstanding filtration performance for PM2.5 and smoke
  • Huge CADR suitable for large rooms and open spaces
  • Quiet for its size
  • Energy efficient
  • Simple one-button operation

Cons

  • No smart features or app control
  • Filter replacements can be pricey
  • Large footprint

Key Specifications

Category
Large-room air purifier
Recommended room size
Up to ~540–600 sq ft for multiple air changes per hour (varies by region)
Maximum coverage claim
Often marketed for rooms up to ~800+ sq ft at lower ACH
Clean Air Delivery Rate (CADR)
Approx. 350 CFM for smoke/dust/pollen (region-dependent)
Filtration stages
Washable fabric pre-filter, particle filter, activated carbon layer
Filter type
Integrated particle + carbon filter cassette with fabric pre-filter sleeves
Noise level
Approx. 31–56 dB across fan speeds (typical published range)
Fan speeds
3 manual speeds controlled via single button
Price Range: $250–$350

You'll Love This Product If...

Great for large living rooms, open floor plans, wildfire smoke, and homes needing very high clean air delivery.

You Might Want to Skip This If...

Not ideal if you want app control, automations, or compact size.

How This Product Affects Your Indoor Air Quality

The Blue Pure 211+ delivers exceptional performance thanks to its large filter surface area and high airflow. It excels with smoke, allergens, pet dander, and general household pollutants.

How We Tested This Product

Tested using PM2.5 generation and decay measurements. The 211+ consistently reduced particle concentration faster than comparable units in the same price range.

Alternatives to Consider

Final Verdict

The Blueair Blue Pure 211+ is one of the strongest large-room air purifiers available, delivering extremely high CADR performance with simple controls and quiet operation.

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