Smart sensing that thinks ahead

3 advanced sensors track your air & automatically adjust

Powerful yet seriously quiet

HEPASilent™ technology delivers faster cleaning with less noise

4.6

Rated 4.6 out of 5 stars

4.6 Stars (2,248 Reviews)

Blue Pure 211i Max

Name: Blue Pure 211i Max
Brand: Blueair
Price: 349.99 USD
Availability: InStock
Rating: 4.6 (2248 reviews)

Smart HEPASilent™ air purifier for large rooms & open spaces with fast powerful cleaning that automatically adjusts to your air

Great for

Allergens, pets, smoke

Designed for

Open concept, kitchens, living rooms

Color: Nordic Fog

One Time Shipment

1 Air Purifier
1 Particle & Carbon Filter
1 Pre-Filter

1 Replacement Filter
Save 15% on every filter
Pay when we send it

Select Filter Type

Save 15% on every filter

Free & fast shipping
30 day home trial
Free extended warranty

Why you’ll love it

Big-room cleaning made smarter. Faster, quieter, smarter air purification that keeps your home feeling fresh and more comfortable every day.

Quickly cleans 674 ft² every 12.5 minutes & 3,235 ft² in 1 hour
Keeps large living spaces feeling fresh fast
Automatically adjusts when your air quality changes
Easy to control from anywhere

Auto Mode keeps cleaning effortless
Specialized filters for your needs
Accurate filter lifetime tracking
Control from anywhere

Features & Technologies

Particle & Carbon captures everyday particles and light household odors.
AllergenBlock traps allergens and helps neutralize their irritating properties.
SmokeBlock uses 2x more activated carbon for smoke, smog and stronger odors.
Main filter media captures dust, pollen, pet dander and PM2.5.
Activated carbon helps trap cooking, pet and smoke odors.
RealTrack™ Technology tracks filter life based on actual use and pollution levels.
App filter alerts tell you when it’s time for a replacement.
Easy replacement design keeps routine maintenance simple.

What’s in the box

Tech specs

Dimensions(HxWxD) 22.7 x 14.4 x 14.4
Product Weight 16.2
Energy Consumption 46 W
Sound Level 23-53 dB
Air Outlet Top
Recommended Room Size 674
Number Of Filters 1

Customize your purifier

Pre-Filter|Sand

$12.99

AllergenBlock Filter

$89.99

SmokeBlock Filter

$84.99

Smart sensing that thinks ahead

3 advanced sensors track your air & automatically adjust

Powerful yet seriously quiet

HEPASilent™ technology delivers faster cleaning with less noise

“The Blue Pure 211i Max aced our tests, and on top of its powerful performance, it stands out for its energy efficiency, quiet operation, user-friendly features, and good looks.”

Wirecutter Best Air Purifiers of 2024

“On its higher setting, it’s terrific at removing dust, pollen, and smoke...CR members found Blueair air purifiers highly reliable and were quite satisfied with their purchase.”

Learn more

Why choose Blue Pure 211i Max?

Advanced design for superior performance

Monitors PM 1, 2.5 & 10, a 360° air intake design, ensuring even airflow and more efficient air cleaning & automatically adjusts fan speed based on detected pollutants.
So quiet, you’ll wonder if it’s even on

QuietMark certified, the Blue Pure 211i Max is quieter than a whisper on the low setting and no louder than a computer hum on high.
Smart features to fit your lifestyle

Monitor indoor & outdoor air quality, set custom schedules, turn on night. auto mode or welcome home mode, & control via Alexa or Google Home.
Sleek customizable Scandinavian design

Variety of washable pre-filters designed to seamlessly blend into any home.

4 layers of filtration remove
99.97%¹ of airborne pollutants

HEPASilent™ technology combines electrostatic and mechanical filtration to capture tiny airborne pollutants like pollen, dust and smoke, faster* and quieter⁴ than traditional HEPA.

Meet our filters

Particle & Carbon

Our original filter. Removes allergens and traps light household odors from pets, cooking and smoke
SmokeBlock

2x more activated carbon than our original filter. Removes up to 99.99%³ of wildfire smoke
AllergenBlock⁵

Extra protection against allergens. Traps and neutralizes dust, pollen and pet dander

Exclusive features in the
highly rated Blueair app

Smarter air, customized to you

Choose a fan speed, switch to night mode for undisrupted sleep, or let auto mode adjust for you based on detected pollutants.
Set Schedules

Set your preferred times for enhanced air purification, so you can wake up to fresh air, keep your home clean during peak hours, and save energy when you're away.
Welcome home technology

Enjoy the convenience of your air purifier turning on as you are approaching your home.
Accurate filter lifetime tracking

RealTrack technology tracks the filter lifetime based on pollutant levels & usage. When it’s time to replace your filter the app will alert you!

Independently proven performance

Free and fast shipping
30 day home trial
Extended warranty

Technical Specifications

Dimensions(HxWxD)

22.7 x 14.4 x 14.4
Product Weight

16.2 lb
Energy Consumption

46 W
Sound level

23-53 dB
Air outlet

Top
Recommended room size

674 sq. ft.
Air changes per hour (ACH)

4.8
Clean air delivery rate (CADR)

Pollen 450 cfm
Dust 452 cfm
Smoke 435 cfm
Number of filters

1
Speed control options

1 - 2 - 3 - 4 - Auto - Night

FAQ

What pollutants does the Blue Pure 211i Max filter out?

Our HEPASilent™ dual filtration technology removes 99.97%¹ of airborne particles down to 0.1 microns, ensuring pollen, cooking odors, smoke, dust, pet dander, mold, chemicals, allergen matter and even tiny particles such as viruses and bacteria², are captured with minimal noise and energy consumption.

What room size is best for the Blue Pure 211i Max?

What are the noise levels of the Blue Pure 211i Max?

How often do I need to change the filters?

Your filter will last up to 9 months thanks to our proprietary RealTrack algorithm that accurately calculates the remaining filter lifetime based on fan speed, usage time and pollution levels.

When it's time to replace the filter, the filter replacement LED on the interface will turn red to remind you. Alternatively, connect to the Blueair app to receive an alert and easily re-order at the touch of a button.

What is the warranty for the Blue Pure 211i Max?

Does toggling between the different PM levels (PM1, PM2.5, PM10) on the display change the specific types of pollutants that are filtered out of the air?

While many Blueair units come equipped with a PM2.5 sensor, some models, including Blue Pure 211i Max, Protect 70i, or Classic Pro CP7i, have advanced sensors that measure PM1, PM2.5, and PM10 levels for more precise air quality monitoring. However, the display on these models can only show one of these three particulate matter (PM) values at a time due to the size of the screen. The display can toggle between PM1, PM2.5, and PM10 readings to track the levels of different pollutants in their environment. Switching between these indicators does not affect the air purifier's performance or target a specific pollutant size to remove from the air. The air purifier continuously works to remove particles down to 0.1 micron from the air regardless of which PM indicator is displayed.

4.6

Rated 4.6 out of 5 stars

Based on 2,248 reviews

88%would recommend these products

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2,248 reviews

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LM
Louise M.
Verified Buyer
2 days ago
Reviewing
Blue Pure 211i Max
Rated 5 out of 5 stars
Third Blueair in my home
Easy to setup for the best clean air.
Was this helpful?
AL
Angela L.
Verified Buyer
3 days ago
Reviewing
Blue Pure 311i+ Max
Rated 5 out of 5 stars
Whisper Quiet!
We replaced an older air purifier of a different brand with the Blue Pure 311+ Max based on research and the Consumer Report ratings. Thus far, we've been very pleased with it. Very easy to set up, and it is very quiet on the low-mid settings . We've not had to use the highest setting but did check it and even that, while audible, would not be too loud if we had a group over. I like the accessibility of the controls on top, and being able having one for night time which eliminates the lights. Also like having a choice of replacement filters and will try the allergen one next time.
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LA
Lena A.
Verified Buyer
3 days ago
Reviewing
Blue Pure 311i+ Max
Rated 5 out of 5 stars
Very satisfied
We are enjoying the 311+ air purifier and its many features.
The app helps to understand when and what may cause the indoor air to require more air purifying. This was proven when doing some major cooking and the stats on the app showed the operation of the purifier increase then and how quickly clean air was restored.
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SA
Suzanne A.
Verified Buyer
3 days ago
Reviewing
Blue Pure 211i Max - Midnight
Rated 5 out of 5 stars
Works great!
It’s quiet and has made a noticeable improvement in our air quality
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SD
Sharon D.
Verified Buyer
3 days ago
Reviewing
Blue Pure 311i+ Max
Rated 5 out of 5 stars
Just Great
I cook and it tracks my burning pans. I am having work done in my apartment. Removing paint and plaster. Every time they open the door the red light comes on the fan speeds up. Great purchase.
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¹ Tested on PM 2.5 up to 90 mins

² Based on ELISA deactivation testing of Pollen (Cry J1), Pet Dander (Fel d1, Can F1), Dust Mite Matter (Der f1) on the filter media in 60 minutes.

³ Compared to standard in-unit filter. Based on removal testing of particles 0.4-0.7 μm in 60min in a 30m3 room. Performance may vary.

⁴ When similar CADR was measured, Blueair models with mechanical and electrostatic filtration achieved less noise with less energy than same models with only H13 HEPA mechanical filtration.

⁵ AllergenBlock refers to inanimate allergens pollen, dust and pet dander.

*Comparing CADR performance of Blueair models with mechanical and electrostatic filtration vs same models with only H13 HEPA mechanical filtration.

Note: CADR and room size values have been updated to meet new DOE standards. Website listings reflect the most accurate information. You may notice slight differences versus product packaging during the transition.

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