BLUEAIR Blue Pure 211i Max Air Purifier

The BLUEAIR Blue Pure 211i Max is a smart air purifier listed for large rooms, with app control, automatic fan adjustment, and HEPASilent dual filtration. Its stated coverage differs by cleaning time: the listing says up to 674 sq ft in 12.5 minutes and 3,235 sq ft in one hour.

At a glance

The listing names dust, pollen, wildfire smoke, pet hair, pet dander, and mold particles among the airborne particles its filtration captures.
Built-in sensors are claimed to adjust fan speed automatically as pollution levels rise.
The app is described as providing air-quality monitoring, settings control, and filter-life tracking.

Price

$216.49Save 38%

Reference price: ~~$349.99~~

Price checked: Nov 11, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

BLUEAIR Air Purifiers for Home Bedroom Dorm up to 1,138 Ft², Blue 511i Max | WiFi, Auto Mode, Compact, Quiet 19dB HEPASilent Filtration, AHAM Verified, Washable Pre-Filter, Captures Pet Hair, Allergens

$89.99

BLUEAIR Air Purifiers for Home up to 2,107 Ft², Blue 311i Max | WiFi, Auto Mode, Quiet 23dB HEPASilent Filtration, AHAM Verified, Washable Pre-Filter, Captures Pet Hair Allergens Dust Smoke

$149.99

Pros and cons

Pros

The two time-specific room-coverage claims help buyers compare its stated cleaning rate against their room size and desired turnover.
Automatic sensor-based fan adjustment and app monitoring offer hands-off operation and remote access to settings and filter status.
360° air intake is suited to circulating air from multiple directions around the purifier.

Technical specifications

6 specifications

Room coverage claims
Coverage in 12.5 minutes	674 sq ft
Coverage in one hour	3,235 sq ft

Filtration and airflow
Filtration technology	HEPASilent dual filtration technology
Air intake	360° air intake

Smart features
Sensors and control	Built-in air quality sensors automatically adjust fan speed when pollution levels rise.
App features	Use the Blueair mobile app to monitor air quality, control settings, and track filter life from anywhere.

What to know before buying

Room coverage is time-dependent: the listing claims 674 sq ft in 12.5 minutes and 3,235 sq ft in one hour, these are manufacturer claims, not independent performance measurements. The listing gives no noise level, power-use figure, or filter replacement interval.

Who is it for?

A good fit for

Buyers seeking a smart purifier for a large living room, open-plan area, apartment, or shared space.
Households wanting app-based air-quality and filter-life monitoring alongside automatic fan adjustment.
People looking for a purifier whose listed target particles include dust, pollen, smoke, and pet-related particles.

BLUEAIR Blue Pure 211i Max Air Purifier · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 3,724 ratings

5 stars77%77%
4 stars10%10%
3 stars4%4%
2 stars3%3%
1 star6%6%

The supplied evidence includes an aggregate rating of 4.4 out of 5 stars, but no rating count or qualitative customer feedback. That figure alone does not show which aspects buyers liked or disliked, use the stated room-coverage claims and app features to assess fit rather than treating the rating as proof of performance.

Frequently asked questions

What room size does the Blue Pure 211i Max cover?

The listing claims coverage of up to 674 sq ft in 12.5 minutes and 3,235 sq ft in one hour, so compare the time-specific figure with your room and needs.

Can it adjust its fan automatically?

The listing says built-in air-quality sensors automatically adjust fan speed when pollution levels rise.

What can I do through the app?

The listing describes app features for monitoring air quality, controlling settings, and tracking filter life.

What particles does the listing say it captures?

It names dust, pollen, wildfire smoke, pet hair, pet dander, and mold particles, attributing capture to HEPASilent dual filtration.