•Most awarded air purifier brand in the US*; Blueair’s #1 selling air purifier line; Blue family’s new Pure Max series with our proprietary HEPASilent™ performance now even better with up to 83% faster cleaning and 50% less noise.†
•Let’s clear the air quieter; Quiet Mark certified (23-50dB); Cleans 387sqft medium rooms in about 12.5 min or up to 929sqft medium space in 30min, on high.
•Let’s clear the air faster; HEPASilent™ dual filtration technology delivers more clean air faster and uses less noise and energy than HEPA filtration alone.‡
•Let’s clear the air better; Removes at least 99.97% of tiny airborne particles like viruses and smoke down to 0.1 microns, and captures pet dander, pollen, mold allergen and dust; carbon filter traps light household odors from smoking, pets and cooking.§
•Let’s clear the air smarter; Smart Air Purifier app enabled and voice control available; Features include Clean Air ETA, Welcome Home and RealTrack filter monitoring tells you more accurately when to replace within 9 months.
•Let’s clear the air easier; Intuitive display, 5-color AQI and simple two-button design make it easy to control fan speeds 1, 2, 3 or night mode, auto mode or adjust light levels and child lock.
•Let’s clear the air with less energy; Energy Star Most Efficient 2023; Blueair air purifiers use less energy (32W on high) than a 60W incandescent lightbulb so it’s kind to your wallet and the planet.
•Independently tested for performance & 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.

Let’s clear the air with Blueair. Blue Pure 311i Max HEPASilent™ smart air purifier quickly cleans 387sqft medium room in about 12.5 min or up to 929sqft medium space in 30min, on high. This air purifier has a Clean Air Delivery Rate (CADR) of 250 for fine smoke particles, dust and pollen. Energy Star Most Efficient 2023. Blueair air purifiers for bedroom. HEPASilent air purifiers for home. Air purifiers for pets. Air cleaner. Smart air purifier. Virus air purifier for dust, smoke, kitchen odor. Blue Pure 311i Max air purifier.

*Based on a survey of over 50 awards, accolades, and recommendations issued by independent consumer associations, media publications, and industry competitions from January 1, 2022, through January 31st, 2023, for products sold in the US by top 10 air purifier brands according to NPD Group Retail Tracking Service, Small Appliances, U.S. sales dollars Jan – Dec 2022.
†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.
Dimensions (Overall): 19 Inches (H) x 12.5 Inches (W) x 12.5 Inches (D)
Weight: 7.87 Pounds
Features: Controlled by Smartphone App, Odor Filter, Electronic Filter Monitor, Quiet Operation, Carbon Filter, Easy Filter Change
Number of Settings: 4
Includes: Filter
Wattage Required: 32 Watts
Filter Type: HEPA
Industry or Government Certifications: Energy Star Certified
Room Size Range: 300-900 sq. ft.
Allergens Captured: Odors, Pollen, viruses, Household Dust, Bacteria, Pet Dander
Maximum Filter Life: 9 Months
Power Source: Electric
Battery: No Battery Used
UPC: 689122023021
Model: 88323079