Blue Pure 211i Max

Extra-large spaces
Blue Pure 211i Max
Includes a washable pre-filter in Stockholm Fog
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$297.49 $349.99
Fast. Quiet. Simply Smart.

Our signature performance is now even better, delivering up to 83% more cleaning power¹ with 50% less noise².

Our proprietary HEPASilent™ technology, which combines electrostatic and mechanical filtration to capture at least 99.97% of airborne particles down to 0.1 micron in size*.

Blueair Flower
Blueair Cooking
Cooking odors
Blueair Dust particles
Blueair Pets
Pet dander & odors
Blueair Mold particles
Blueair Bacteria and viruses
Bacteria & viruses*
Blueair Smoking
Blueair Chemicals
Let's clear the air faster

Only Blueair air purifiers use HEPASilent™ technology, quickly cleaning 635 ft² in 12.5 minutes or up to 1,524 ft² in 30 minutes.

Blueair Blue pure air purifier graphic with room sizing
Let’s clear the air better

Control 5 fan speeds (Night, 1-4), select auto mode, enable child lock, control brightness and get filter expiration reminder.  

Quick air quality readings via an easy LED 5-color indicator, display on unit or within the app. Air quality reading is based on the concentration of fine particles (PM 1, 2.5 and 10) in your space.

Blueair Blue pure 211i max aerial view
Let’s clear the air smarter

Welcome home feature

Your air purifier will go on standby when you leave the home and turn back on when you are getting close.

Accurate filter tracking

Using Blueair's proprietary RealTrack algorithm, you can easily view the most accurate filter usage and reorder before it expires.

Voice control assistance

Control your air purifier hands free and enjoy even more convenience.

Blueair Blue pure max air quality readings
Blueair Person on couch next to blueair air purifier
Let's clear the air quieter

The Blue Pure 211i Max operates on low at 23dB, and is never louder than 53dB³. Quietest by QuietMark⁴.

Blueair Blueair genuine filter

Let's clear the air longer

New and longer lasting filters (6-9 months)

Using Blueair's new proprietary RealTrack algorithm, you can easily view the most accurate filter usage and reorder before it expires.

It uses advanced machine learning to adjust its calculations based on your unique environment, taking into account factors like fan speed, usage time and pollutant levels.

Blueair Blue pure max pre-filter color array

Let's clear the air with style

Designed with the sleek & stylish look of Scandinavian design

Our five washable pre-filters are designed to seamlessly blend into your home.

Our pre-filters extend the life of primary filters, catching large airborne particles such as dust, lint, pollen, and pet hair.

Independently proven performance
Blueair AHAM Verified Performance
Verifide® for performance and
Clean Air Delivery Rate (CADR)
Blueair Quiet Mark Certified
Quiet Mark
Blueair Energy Star Most Efficient 2024
Energy Star
Most Efficient 2024
Blueair Intertek Verified Zero Ozone
Zero Ozone Verified |<5ppb| by
Intertek Sustainability Program
  • Wi-Fi connectivity for remote control
  • On/off timer
    Yes (via Blueair App)
  • Speed control options
    1 - 2 - 3 - AUTO - NIGHT
  • Integrated air sensors
Included in the box

Items packaged individually within box - please read manual for set-up instructions.

Blueair Blue Pure 211i Max air purifier

Blue Pure 211i Max air purifier with pre-filter in Stockholm Fog

Blueair IN the box - Instruction manual

Instruction manual

  • Dimensions(HxWxD)
    22.7 X 14.4 X 14.4 in
  • Product weight
  • Energy consumption
    46 W
  • Sound level
    23-53 dB
  • Air outlet
  • Recommended room size
    635 - 1524 ft2
  • Air changes per hour (ACH)
  • Clean air delivery rate (CADR) - Pollen
    410 cfm
  • Clean air delivery rate (CADR) - Dust
    410 cfm
  • Clean air delivery rate (CADR) - Smoke
    410 cfm
  • Operating Power
    100 - 120 V
  • Energy Efficiency
    100 - 120 V
  • Number of filters
How does this model differ from the Blue Pure 211+ Auto?

Key upgrades include more coverage, quieter on highest fan speed, more fan speeds, longer filter life and warranty.

I've replaced my filters, now how do I reset the filter replacement indicator?​

Press and hold down the LED button for 10 seconds to reset the replacement filter indicator. ​​

How do I register for warranty?

To extend the limited warranty from one year to three (3) years, simply complete the product registration form in the 'Warranty' section of your customer account within (60) days of purchase or register through the Blueair mobile app.​

Read full warranty terms here

How should I clean the fabric pre-filter?

Vacuum the exterior of the fabric pre-filter to remove dust as often as you'd like. When the pre-filter requires a deeper clean, it can be washed on a gentle, low-temperature cycle in the washing machine. Hang to dry.

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¹Comparing pollen CADR on high fan speed (Blue Pure 411a Max & 411i Max vs. Blue 411 Auto), other units may vary. Based on AHAM maximum allowable certified rating which may vary from the AHAM seal claimed valued. 

²Noise refers to the dB(A) difference in acoustic power.

³Sound pressure at max. fan Assuming 635 sq.ft room size and 4.8 air exchanges per hour (AHAM AC-1)

⁴Quietest refers to eligibility for Quiet Mark certification, limited to 10-20% of quietest products. See for further information

*Min. reduction 99.9% of S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1, A.Niger