Air purifiers / Blueair

Blueair Blue Pure 211i Max

A large-room purifier with particle-size readings, usage-based filter tracking and app schedules.

Listed in United States, Canada
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Blueair Blue Pure 211i Max

Photo: Blueair

Model and local version

211i Max; manual model 3613111100

Regional versions and model notes
  • Listed in United States
  • Australia: exact local listing unconfirmed
  • United Kingdom: exact local listing unconfirmed
  • Listed in Canada
  • Connect on 2.4 GHz Wi-Fi; Bluetooth must be enabled during setup and the phone, router and purifier should be close together.
  • The fabric pre-filter can be washed; the main filter is a replacement consumable.
  • A filter-delivery subscription is optional, not required for ordinary purifier operation.

What it can do

Shared setup

  • Connect to 2.4 GHz Wi-Fi.For Schedule cleaning in the app; Use Alexa or Google Home.

Features and the setup they need.

Features, setup and recorded confirmation
Feature & setupConfirmation & sources

See fine and coarse particle readings

Device feature

Monitors PM1, PM2.5 and PM10; the display shows one size reading at a time.

✓ Confirmed

Blueair · 2026-10-26

Adjust fan speed automatically

Device feature

Auto mode changes fan speed as particle levels change.

✓ Confirmed

Blueair · 2026-10-26

Schedule cleaning in the app

Device feature

The Blueair app controls modes, timers and custom schedules over Wi-Fi.

✓ Confirmed

Blueair · 2026-10-26

Use Alexa or Google Home

Device feature

Manufacturer lists Alexa and Google Home control.

✓ Confirmed

Blueair · 2026-10-26

Compare room size at 4.8 air changes per hour

Device feature

Recommended room size is 674 sq ft at 4.8 air changes per hour, not the one-hour maximum-area claim.

✓ Confirmed

Blueair · 2026-10-26

What that means at home

Our reading of the specifications.

What to allow for

Connect on 2.4 GHz Wi-Fi; Bluetooth must be enabled during setup and the phone, router and purifier should be close together.

Living with it

The fabric pre-filter can be washed; the main filter is a replacement consumable.

Model and source notes
  • Connect on 2.4 GHz Wi-Fi; Bluetooth must be enabled during setup and the phone, router and purifier should be close together.
  • The fabric pre-filter can be washed; the main filter is a replacement consumable.
  • A filter-delivery subscription is optional, not required for ordinary purifier operation.

Where we checked

Features are based on the linked manufacturer documentation. Household results also check the equipment and software you select. How we check.