By Blueair


$379.00 $399.00
Tax included.

Key Features
  • Wi-Fi connectivity for remote control
  • Speed control options: 1 - 2 - 3 - AUTO - NIGHT
  • Integrated air sensors
  • Dimensions: 481 x 269 x 269 mm (HxWxD)
  • 1 year warranty by Blueair

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Blue Max 3250i

Let's clear the air faster

Only Blueair air purifiers use HEPASilent™ technology, quickly cleaning 20 m² in 12.5 minutes or up to 48 m² in 30 minutes.


Let’s clear the air better

Control 4 fan speeds (Night, 1-3), select auto, adjust brightness levels and enable/disable child lock with just two buttons.

The five-color air quality indicator (AQI) uses a particle sensor to detect pollution. Air quality reading is based on the concentration of fine particles (PM 2.5) in your space.


Let’s clear the air smarter

Welcome home feature: Your air purifier will go on standby when you leave the home and turn back on when you are getting close.

Accurate filter tracking: Using Blueair's proprietary RealTrack algorithm, you can easily view the most accurate filter usage and reorder before it expires.

Voice control assistance: Control your air purifier hands free and enjoy even more convenience.


Let's clear the air quieter

The Blue Max 3250i operates on low at 18dB, and is never louder than 46dB³. Quietest by QuietMark⁴.


Let's clear the air longer

New and longer lasting filters (6-9 months)

Using Blueair's new proprietary RealTrack algorithm, you can easily view the most accurate filter usage and reorder before it expires.

It uses advanced machine learning to adjust its calculations based on your unique environment, taking into account factors like fan speed, usage time and pollutant levels.


Blue Max 3250i


Filter Type Particle filter + Carbon sheet. Activated coconut shell carbon. Non-woven gradient Polypropelyne fibers. Free of chemicals and binders. Fiber shedding resistance.
Dimensions (HxWxD) 481 x 269 x 269 mm
Product weight 3.39kg
Energy consumption 2.5 - 20 W
Sound level 18 - 46 dB(A)
Air outlet Top
Air inlet 360°
Filter recycling Plastic. Check your local recycling requirements for carbon.
Recommended filter change 6 months (4,380 hours) when used 24 hours a day
Recommended room size 48 m2
Air changes per hour (ACH) 2
Number of filters


Frequently Asked Questions

How does this model differ from the Blue 3210?

Key upgrades include: more coverage, quieter on highest fan, longer filter life, new colors, & smart technologies.


Why is my LED yellow?

The LED indicator will turn yellow after 5 months of operation to warn that it's almost time to change the filter. When the indicator light turns red (one month later), it’s time to change the main filter.


I've replaced my filters, now how do I reset the filter replacement indicator?​

Press and hold down the LED button for 10 seconds to reset the replacement filter indicator. ​​


How should I clean the fabric pre-filter?

Vacuum the exterior of the fabric pre-filter to remove dust as often as you'd like. When the pre-filter requires a deeper clean, it can be washed on a gentle, low-temperature cycle in the washing machine. Hang to dry.


¹ Comparing pollen CADR on high fan speed (Blue Max 3250 auto & 3250i vs. Blue 3210), other units may vary. Based on AHAM maximum allowable certified rating which may vary from the AHAM seal claimed valued.

² Test on PM 2.5 in 90mins

³Sound pressure at max fan. Assuming 20 m2 room size and 4.8 air exchanges per hour (AHAM AC-1)

⁴Quietest refers to eligibility for Quiet Mark certification, limited to 10-20% of quietest products. See for further information