Blueair - Blue Pure 311i Max 2,107 Sq. Ft Smart HEPASilent Air Purifier - White/Seabed
Model: 110829
SKU: 6553253
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.
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.
How long does the filter last in this air purifier?
The filter longevity is about 9 months.
Does this air purifier work with voice assistants?
Yes, this air purifier works with Google Assistant.
Does this air purifier have a timer?
Yes, this air purifier has a programmable timer.
Does this air purifier use HEPA filter?
Yes, this air purifier uses HEPA filter.
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.
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.
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.
QuietMark-certified performance runs between 23–50 dB, making it ideal for bedrooms, nurseries, and workspaces.
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.
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