Blueair Blue Pure 211i Max Smart Air Purifier
- 674 sq ft in 12.5 minutes, 3,235 sq ft in one hour
- HEPASilent filtration down to 0.1 microns
- Auto sensors, app control, Alexa
- 23 db at low speed, 46 watts
- Pre-installed filter, washable fabric pre-filter
- 16 pounds, 14.4 x 14.4 x 22.7 inches
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A high capacity smart purifier for large living rooms and open plans with pets, allergies or wildfire smoke. It is bigger and draws more power than smaller models.
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ASIN: B0BN2MGV5HCategory: HEPA Air Purifiers
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Overview
A family with an open plan living area gets a Blueair purifier that pulls air in from all sides and runs it through HEPASilent filtration. It ships with the filter installed, and the app tracks air quality and filter life.
Large room coverage with low noise suits shared spaces where people spend the day. Its size needs floor space, and filters are a recurring purchase.
Who it's for
Made for big rooms, basements and homes dealing with pets or wildfire smoke. Small rooms can use a compact model.
Pros and cons
- Large room coverage
- Sensors adjust fan speed
- App control and reminders
- Quiet low setting
- Takes floor space
- Filters need replacing
- Higher power than small units
Performance notes
Coverage comes from high airflow through a filter that combines mechanical and electrostatic capture. Air enters from all sides, so placement near a wall still works. Sensors push the fan up when smoke or dust levels climb.
Specifications
| Brand | Blueair |
|---|---|
| Dimensions & fit | |
| Particle Retention Size | 0.1 micron |
| Item Dimensions D x W x H | 14.4 x 14.4 x 22.7 inches |
| Item weight | 16 pounds |
| Capacity & performance | |
| Noise Level | 23 db |
| Wattage | 46 watts |
| Included components | |
| Included Components | Air purifier, pre-installed filter, washable fabric pre-filter |
| Other details | |
| Floor Area | 674 sq ft in 12.5 minutes, 3,235 sq ft in one hour |
| Filter Class | HEPASilent |
| Control Type | App, Amazon Alexa, button |
| Specification Met | AHAM Certified |
Frequently asked questions
Do I need to install a filter in the Blueair Blue Pure 211i Max?
No. The filter comes pre-installed, along with a washable fabric pre-filter.
What size room does the Blue Pure 211i Max cover?
It cleans 674 sq ft in 12.5 minutes and up to 3,235 sq ft in one hour.
Can I control the 211i Max from my phone?
Yes. The Blueair app monitors air quality, controls settings and tracks filter life.
Does the 211i Max help with wildfire smoke?
Blueair lists wildfire smoke among the particles it captures.