Blueair - Blue Pure 211i Max 3,235 Sq. Ft HEPASilent Smart Extra-Large Room Air Purifier - White/Gray
Customers are saying
Customers express satisfaction with the Blue Pure 211i Max air purifier, highlighting its noticeable impact on air quality and quiet operation. Users appreciate its overall performance, ease of use, and the well-designed app. The purifier's modern design, automatic fan speed, filter life tracking, odor removal capabilities, and suitable size for large rooms also receive positive feedback, while a few customers feel the price is too high.
Powerful Air Purification for Large Rooms
The Blue Pure 211i Max cleans large living rooms, open floor plans, apartments, and shared spaces up to 674 sq ft in12.5 minutes 3,235 sq ft in one hour, delivering powerful airflow to keep indoor air fresh throughout your home.
Removes Dust, Smoke, Pet Dander & Allergens
Blueair’s HEPASilent dual filtration technology captures airborne particles such as dust, pollen, wildfire smoke, pet hair, pet dander, and mold particles, helping improve indoor air quality.
Smart Air Purifier with App Control
Built-in air quality sensors automatically adjust fan speed when pollution levels rise. Use the Blueair mobile app to monitor air quality, control settings, and track filter life from anywhere.
Quiet Operation for Bedrooms & Living Spaces
Designed for everyday use with quiet and energy-efficient performance, making it ideal for bedrooms, nurseries, living rooms, and home offices.
Designed for Modern Homes
With 360° air intake and minimalist Scandinavian design, the Blue Pure 211i Max blends into modern living rooms while efficiently circulating and cleaning indoor air.
Let’s clear the air easier
Intuitive LED display, advanced pollution (PM1, PM2.5, PM10) sensor, real-time indoor readings, 5-color AQI and two-button design make it easy to control fan speeds 1-4, night or auto mode, adjust light levels and child lock.
Independently tested for performance and safety, zero ozone
AHAM Verifide for Performance (CADR); Quiet Mark Certified; Ozone Safety Standards Certified by CARB; Zero Ozone Verified (<5 ppb) by Intertek Sustainability.
*Based on a survey of over 50 awards, accolades, and recommendations issued by independent consumer associations, media publications and industry competitions from 1/1/22-1/31/23, for products sold in the US by top 10 air purifier brands, NPD Group, Small Appliances, U.S. sales dollars 1/1–12/31/22.
†Comparing 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. Noise refers to the dB(A) difference in acoustic power.
‡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.
§Tested PM 2.5 (0.1 - 2.5 microns) up to 90min in a 30m3 room. Tested to remove min. 99.9% of S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1, A.Niger.
- Recommended Room Size635 square feetApp CompatibleYesWireless ConnectivityWi-FiAir Purifier TypeConsoleAir Quality Indicator Light(s)YesFilter TypeHEPA, Electrostatic, Activated carbon
Reviews
Rating 4.8 out of 5 stars with 593 reviews
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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The Blueair Blue Pure 211i Max smart air purifier is designed for large rooms, homes with pets, and households dealing with dust, smoke, or seasonal allergies. Using Blueair’s advanced HEPASilent™ filtration technology, it captures 99.97% of airborne particles such as dust, pollen, pet dander, and smoke, helping improve indoor air quality. With the ability to clean up to 3,235 square feet in one hour, the Blue Pure 211i Max is ideal for large living rooms, open floor plans, apartments, and homes with pets or allergy concerns. Experience powerful air purification with the Blueair Blue Pure 211i Max, engineered to deliver high-performance air cleaning for large homes and open living spaces. The purifier combines mechanical and electrostatic filtration through Blueair’s proprietary HEPASilent™ technology, helping remove airborne pollutants such as dust, pollen, pet dander, smoke particles, and mold spores. This advanced filtration captures particles down to 0.1 microns, helping maintain cleaner indoor air. Designed to handle large areas, the Blue Pure 211i Max refreshes air in spaces up to 3,235 square feet in one hour, making it well suited for open floor plans, large living rooms, basements, and shared family spaces. Smart sensors continuously monitor indoor air quality and automatically adjust fan speeds when pollution levels rise. Through the Blueair mobile app, you can track air quality, adjust settings, schedule operation, and receive filter replacement reminders. With quiet operation, energy-efficient performance, and modern Scandinavian design, the Blue Pure 211i Max blends naturally into your home while delivering powerful air purification. Whether you're managing pet odors, seasonal allergies, wildfire smoke, or everyday dust, the Blue Pure 211i Max helps create a cleaner and more comfortable indoor environment.

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| Pros for Blueair - Blue Pure 211i Max 3,235 Sq. Ft HEPASilent Smart Extra-Large Room Air Purifier - White/Gray | |||
|---|---|---|---|
| There were no pros for this product— | Noise Level, Air Quality, Overall Performance, Design, Ease of use | Noise Level, Overall Performance, Design, Air Purification Performance, Filter Life | Noise Level, Air Quality, Overall Performance, Design, Ease of Use |
| Cons for Blueair - Blue Pure 211i Max 3,235 Sq. Ft HEPASilent Smart Extra-Large Room Air Purifier - White/Gray | |||
| There were no cons for this product— | WiFi Connectivity | Size | There were no cons for this product— |




































































