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Blueair - Blue Pure 311i Max 2,107 Sq. Ft Smart HEPASilent Air Purifier - White/Seabed

Model: 110829
SKU: 6553253
Sold byBest Buy

Customers are saying

Customers frequently mention the Blue Pure 311i Max 1,800 Sq. Ft Smart HEPASilent Air Purifier's quiet noise level on its lowest setting and its ability to accurately measure air quality. Many appreciate its overall performance on any setting, sleek design, and ease of use. The washable fabric prefilter, convenient size, user-friendly app, and multiple fan speed options are also well-received features.

Generated by AI based on customer reviews.
Features
  • Powerful Air Purifier for Medium Rooms

    The Blue Pure 311i Max quickly cleans air in bedrooms, living rooms, apartments, and home offices. It cleans 439 sq ft in 12.5 minutes and 2,107 sq ft in 1 hour with powerful airflow.

  • Removes Dust, Smoke, Pet Dander & Allergens

    Blueair’s HEPASilent dual filtration technology captures 99.97% of airborne particles down to 0.1 microns, including dust, pollen, pet dander, mold particles, and smoke.

  • Smart Air Purifier with App Control

    Built-in sensors automatically adjust fan speed when pollution levels rise. Use the Blueair mobile app to monitor air quality, schedule operation, and track filter life.

  • Quiet Operation for Bedrooms & Nurseries

    QuietMark-certified performance runs between 23–50 dB, making it ideal for bedrooms, nurseries, and workspaces.

  • Modern Design for Everyday Living

    The Blue Pure 311i Max features a minimalist Scandinavian design with 360° air intake, allowing it to blend into modern homes while circulating clean air efficiently.

  • *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.

Specifications
  • Recommended Room Size
    388 square feet
    App Compatible
    Yes
    Wireless Connectivity
    Bluetooth, Wi-Fi
    Air Quality Indicator Light(s)
    Yes
    Filter Type
    HEPA, Electrostatic, Activated carbon
    Clean Air Delivery Rate (CADR)
    250 cubic feet per minute
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Reviews

Rating 4.8 out of 5 stars with 265 reviews

95% would recommend to a friend
Customers are sayingCustomers frequently mention the Blue Pure 311i Max 1,800 Sq. Ft Smart HEPASilent Air Purifier's quiet noise level on its lowest setting and its ability to accurately measure air quality. Many appreciate its overall performance on any setting, sleek design, and ease of use. The washable fabric prefilter, convenient size, user-friendly app, and multiple fan speed options are also well-received features.
This summary was generated by AI based on customer reviews.
  • Noise Level (99)
  • Air Quality (87)
  • Overall Performance (40)
  • Design (23)
  • Ease of use (21)
  • WiFi Connectivity (3)

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.

  • Rated 5 out of 5 stars

    Excellent for Whole-Home Dust Reduction

    I’ve been using a total of six Blueair purifiers in my 2300 sq ft home: three 211i Max units and three 311i Max units. The improvement in air quality, especially dust control, has been very noticeable. I placed the 211i Max units in larger open areas like the kitchen, office, and an upstairs loft with 10 ft ceilings. The 311i Max units are in each of the three bedrooms. I run them every day, mostly on Speed 2, and occasionally bump the 211i to Speed 3 in the kitchen during cooking. Even with all six running, the noise is minimal. Night mode on the bedroom units is practically silent, and power usage has had little to no impact on our utility bill. After a few weeks, I noticed a clear reduction in how much dust was settling on furniture, especially in the closed rooms. The app makes things easy by showing real-time PM2.5 levels (usually at zero now), letting me schedule runtimes, and giving filter status updates. The real benefit is the consistency. The air feels cleaner and it stays that way without much micromanagement. If you’re looking for a real solution to whole-home air quality, especially for dust, this setup has worked better than I expected. They’re not cheap, but they’ve been reliable, quiet, and effective.

    Posted by Arsenalfc

  • Rated 5 out of 5 stars

    Effective Air Purifier

    The Blue Air Purifier is easy to set up and very quiet when in use. You do not notice it in the room. It appears to be effective cleaning the air. It came recommended to me and I also recommend Blue Air.

    Posted by EllenR

  • Rated 5 out of 5 stars

    Wonderful air purifier

    This thing works great! We have two cats, one Maine coon and one domestic shorthair, both who shed a lot. The removable outer cover makes cleaning much easier! I love that I can throw it in the washing machine or I use a chomchom lint roller to get the dander and hair off the outside. The outer cover has extended the life of the filter, which is also awesome. I love the smart features, i can see all the information i need right from the app, and it connects to my alexa/smart home!

    Posted by BizC213

  • Rated 5 out of 5 stars

    Fast and quiet air purification.

    Replaced an older unit that I had. Does a great job on auto, cleaning the air fast. Quiet and the option to change your settings via the app on your phone is even more convenient.

    Posted by Rickwin

  • Rated 5 out of 5 stars

    Air Purifier Review

    Great air purifier. Easy to install and use, quiet function, superb air purifying performance. Well-rounded product, would recommend

    Posted by Devin

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Pros for Blueair - Blue Pure 311i Max 2,107 Sq. Ft Smart HEPASilent Air Purifier - White/Seabed
Noise Level, Air Quality, Overall Performance, Design, Ease of useThere were no pros for this product—Noise Level, Air Quality, Overall Performance, Design, Ease of UseNoise Level, Overall Performance, Air Purification, Size, Odor Control
Cons for Blueair - Blue Pure 311i Max 2,107 Sq. Ft Smart HEPASilent Air Purifier - White/Seabed
WiFi ConnectivityThere were no cons for this product—There were no cons for this product—There were no cons for this product—

Specs

Questions & Answers
  • If this Blueair purifier is set in automatic, it stays on at all times. Should it be turned off at intervals, or is it ok to keep it running at all times 24/7? Thank you.

    Thank you for your interest in Blueair! Yes, your Blue Pure 311i Max air purifier can operate 24/7, and in fact, continuous use is recommended — especially when set to Auto mode, which automatically adjusts the fan speed based on real-time air quality. This helps maintain optimal indoor conditions.

    Answered by Blueair Support Team
    Blueair Support Team response
  • How long does the filter last in this air purifier?

    The filter longevity is about 9 months.

    This question and answer was generated by AI based on customer and product data.
  • Does this air purifier work with voice assistants?

    Yes, this air purifier works with Google Assistant.

    This question and answer was generated by AI based on customer and product data.
  • Does this air purifier have a timer?

    Yes, this air purifier has a programmable timer.

    This question and answer was generated by AI based on customer and product data.
  • Does this air purifier use HEPA filter?

    Yes, this air purifier uses HEPA filter.

    This question and answer was generated by AI based on customer and product data.
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