Customers admire the product's remarkably quiet operation, excellent overall performance, and significant improvement in air quality. They also appreciate its user-friendly design, long-lasting filters, and customizable fan speeds. Many users find its size perfect for bedrooms and have experienced noticeable allergy relief.
The Blue Pure 511i Max quickly refreshes indoor air in bedrooms, nurseries, home offices, and apartments. It cleans 237 csq ft in about 12.5 minutes and up to 1,138 sq ft in one hour.
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.
Designed for sleep-friendly performance, the purifier operates as quietly as 19 dB, making it ideal for bedrooms, nurseries, and dorm rooms..
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 receive filter replacement reminders.
The Blue Pure 511i Max features a compact Scandinavian-inspired design with 360° air intake, allowing it to fit easily in small rooms while efficiently circulating clean air.
Intuitive display, 5-color AQI, and simple two-button design make it easy to control fan speed 1 – 3 including night mode, auto mode and child lock.
*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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