Blueair Blue Pure 311i max

Blueair Blue Pure 311i Max Smart Air Purifier

A Quiet Mark-certified smart air purifier with Blueair’s HEPASilent dual filtration, an air quality indicator, Auto/Night modes, and app + Alexa control—ideal for bedrooms, kitchens, and medium rooms.

Blueair Blue Pure 311i Max Smart Air Purifier

Best for: Medium rooms where you want fast air cleaning, low noise, and a “set it to Auto and forget it” routine

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  • Category: Smart HEPA + carbon air purifier (AHAM Verifide)
  • Designed for: Everyday particle filtration + light odor reduction (dust, pollen, smoke, pet dander)
  • Great for: Bedrooms, living rooms, kitchens, apartments, pet areas
  • Who it fits: Anyone who wants Auto Mode + app scheduling and a quiet day-to-day purifier

What it is and why households buy it

The Blue Pure 311i Max is designed for people who want “fast cleanup when needed, quiet comfort the rest of the time.” It combines Blueair’s HEPASilent dual filtration with smart controls, so you can run a stronger cleanup burst after cooking or cleaning, then let Auto Mode handle the day-to-day.

It’s also built to be easy to live with: an intuitive display with an air quality indicator, plus app features like scheduling and filter-life tracking to keep maintenance simple.

Main features at a glance

  • HEPASilent dual filtration: Removes at least 99.97% of airborne particles down to 0.1 microns; carbon layer helps trap light household odors.
  • Medium-room coverage: Recommended around 387 ft² for AHAM-style air cleaning; also rated to clean larger spaces faster (example: ~900 ft² in 30 min).
  • Quiet Mark certified: Designed for low-noise operation (about 23–50 dB, depending on speed).
  • Smart features: App scheduling, air-quality monitoring, Clean Air ETA, geofencing (“Welcome Home”), and RealTrack filter-life tracking.
  • Easy controls: Auto + Night modes, brightness control, and child lock with a simple interface.

Details readers usually want to know

Room size and placement

For best performance, place it where air can circulate freely (not tucked behind furniture). If you’re aiming for frequent air refresh in a bedroom/office, Blueair recommends a room around 387 ft² for strong air changes.

Noise and night use

If you’re a light sleeper, use Night Mode and dim the display. It’s designed to run very quietly on low (around 23 dB) and stays within a typical quiet-to-normal range even on higher speeds.

Smart routine

Set Auto Mode for hands-off daily use, then use schedules (or voice control) to run higher during high-activity times—like after cooking, vacuuming, or when windows are open.

Filter maintenance

The RealTrack feature estimates filter life based on your usage and pollution levels, with typical tracking in the ~6–9 month range. Keeping up with filter changes is the easiest way to maintain airflow and performance.

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