Blue Signature™ Nordic Fog

Air Purifier, Extra-large Rooms

The most powerful, compact air purifier you can get¹

Rapidly cleans 67 m² in 12.5 minutes
7 stages of filtration removes 99.97%² of airborne particles
10x³ more odor removal with OdorFence Technology
Dynamic display that auto-adapts to enhance your air
Double the filter lifetime thanks to our patent-pending filter design
Smart features in the highly rated, newly improved Blueair app
Device comes with 1 pre-filter in Nordic Fog and 1 Particle & Carbon filter

Motion activated touchscreen display
Accurate filter lifetime tracking
Doubles as a table-top

Additional Features

On/ off timer Yes, via Blueair App
Speed control options 1 - 2 - 3 - 4 - Auto - Night
Integrated air sensors Yes

Shipping & Warranty

Free & fast shipping
30 day home trial
Free extended warranty

Why choose Blue Signature™?

Dynamically displays your air quality

See your air quality at a glance. The motion-activated display responds to your preferences in real time.
Doubles as a table-top & much more

Make it yours. Choose from curated pre-filter colors and accessories that elevate your space.

7 stages of filtration,
10x more odor removal

HEPASilent filtration technology captures at least 99.97%² of tiny airborne pollutants down to 0.1 microns while OdorFence Technology captures common odor gases and breaks them down. It’s deep, effortless clean air you can feel, and smell, every day.

“The unit looks well designed from the get-go and has a flat top for a plant. It looks great in any room and doesn't scream, ‘I'm an appliance.’”

Alyssa

“I tested it with kitchen odors while cooking, and within about 20 minutes of running the air purifier, I could smell little to nothing. I find that astonishing. I've used other air purifiers before, but this one does the trick.”

Jake

Smart control in the highly rated & newly upgraded Blueair app

Effortlessly take control of your air

Select a fan speed, let auto or night mode take over & keep settings secure with display lock.
Smart filter lifetime tracking

Tracks the filter lifetime based on pollutant levels and alerts you when it’s time to replace your filter.
Customize schedules to fit your lifestyle

Set your preferred times for enhanced air purification, so you can wake up to fresh air, keep your home clean during peak hours, and save energy when you're away.

Feel the difference with Blue Signature™

95%

felt it contributed to a
healthier living environment⁵

89%

prefer it over any
other air purifier⁵

Feel the difference with Blue Signature™

Proud to be a Certified B Corp

As a B Corp, we’re part of a global community of businesses that meet high standards of social and environmental impact.

30 day home trial
Free and fast shipping
Authenticity Guaranteed

Technical Specifications

Dimensions(HxWxD)

437 x 393 x 366 mm
Product Weight

6 kg
Energy Consumption

3.5-42 W
Sound level

23-55 dB
Air outlet

Side
Recommended room size

67 m²
Air changes per hour (ACH)

4.8
Clean air delivery rate (CADR)

Pollen 450 cfm
Dust 434 cfm
Smoke 455 cfm
Number of filters

1
Speed control options

1 - 2 - 3 - 4 - Auto - Night

FAQ

How often do I need to change the filter?

You filter will last up to 1 year thanks to our unique patent-pending design & proprietary RealTrack algorithm that accurately calculates the remaining filter lifetime based on fan speed, usage time, and pollution levels.

When it's time to replace the filter, the filter replacement LED on the interface will turn red to remind you. Alternatively, connect to the Blueair app to receive an alert and easily re-order at the touch of a button.

What are the noise levels?

What room size is best?

¹ Based on high-speed CADR by volume vs. similar competitive models

² Tested on PM2.5 up to 90 minutes.

³ Tested on Acetaldehyde gas vs. similar leading competitor filter

⁴ Tested on bacteria (S. aureus, K. pneumoniae, P. aeruginosa), virus (MS2) and mold allergen (A.niger) with a minimum reduction rate of 99.9% in 60min. Blueair does not claim to prevent transmission of airborne illnesses. Not tested on SARS-COV-2.

⁵ Based on consumer testing of 38 users over the course of 4 weeks

⁶ Compared to Blue Pure 211+

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