BLUEAIR Air Purifiers for Home up to 2,107 Ft², Blue 311i Max

The BLUEAIR Blue Pure 311i Max combines advanced filtration technology with intelligent air quality management. Its HEPASilent dual filtration system uses mechanical and electrostatic filtration to capture 99.97% of airborne particles down to 0.1 microns under specified test conditions. The purifier helps reduce dust, pollen, pet dander, and smoke particles while its activated carbon layer addresses light household odors. BLUEAIR advertises coverage of up to 2,107 square feet in one hour, although its recommended room size for frequent air cleaning is approximately 439 square feet. Its 360-degree air intake promotes efficient airflow throughout the surrounding space. 

The smart air quality sensor automatically adjusts fan speed according to detected particle levels, while the Blueair app provides remote controls, scheduling, and filter monitoring. Operating at approximately 23–50 decibels according to the manufacturer, the purifier is suitable for bedrooms and everyday living spaces. Its washable fabric pre-filter simplifies maintenance, and RealTrack technology estimates filter life based on actual usage. However, replacement filters add ongoing costs, and the standard carbon layer is less suitable for heavy chemical odors or persistent VOC problems. 

Key Features

• HEPASilent Dual Filtration – Captures 99.97% of airborne particles down to 0.1 microns under specified test conditions.

• Up to 2,107 Sq. Ft. Coverage – Cleans this area in one hour under manufacturer testing conditions.

• Smart Air Quality Monitoring – Automatically adjusts fan speed based on detected airborne particles.

• Quiet & Energy-Efficient Operation – Features manufacturer-rated noise levels of 23–50 dB and 32W maximum power consumption.

• App Control & RealTrack Technology – Enables remote management and intelligent filter-life monitoring