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Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
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Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
Blue Pure 511i Max
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Blue Pure 511i Max

Air Purifier, Small Rooms

4.6
Rated 4.6 out of 5 stars
4.6 Stars (1,823 Reviews)
Save 14%
Select Default Title
One Time Shipment
  • 1 Air Purifier
  • 1 Particle & Carbon Filter
  • 1 Pre-Filter in Stockholm Fog
Filter Subscription
  • 2 Replacement Filters
  • Save 15% on every filter
  • Pay when we send it
Customize Your Subscription
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Everyday filter, tackling 99.97%¹ of dust, odors, allergens, smoke, & more.
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  • Most Popular

Keep your home a safe haven with the Blue Pure 511i Max, featuring advanced air purification that’s quiet enough for nap time yet powerful enough for allergy season.

  • Quickly cleans 237 ft² in 12.5 minutes, 569 ft² in 30 minutes, & 1,138 ft² in 1 hour.
  • Automatically detects and quickly removes pollutants such as viruses, bacteria, dust, and odors.
  • Compact with 360-degree air intake, so you can place it anywhere-on the floor or table.
  • RealTrack Technology® accurately tracks filter lifetime based on usage and pollutant levels.
  • Perfect for bedrooms or offices
  • Place anywhere with 360˚ design
  • Automatically Adjust Fan Speed
  • Instant air
quality readings
  • PM 2.5 pollutant tracking
  • App & Wifi connectivity
  • RealTrack Technology®
  • Smart home integration

Why choose Blue Pure 511i Max?

“I love that I can operate it from anywhere with the app. I can get it going before I get home from being outdoors. It is a very quiet machine. It has night mode and will dim or turn off all lights on the machine.”

Lesann

“I like having a one for each high-traffic room such as our master bedroom, office, and living room. Although this one was intended for our office, it is by far the most attractive air purifier I have yet to see, so I swapped it for the one we had in our living room.”

MrsAdams

“The unit will automatically adjust according to the air quality, and there is a light indicator letting you know how it accesses the value. You can also set it manually, with three fan speeds, and wireless capabilities.”

Kmill

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4 layers of filtration remove
99.97%
¹ of airborne pollutants

HEPASilent™ technology combines electrostatic and mechanical filtration to capture tiny airborne pollutants like pollen, dust and smoke, faster* and quieter⁴ than traditional HEPA.

Meet our filters

  • Particle & Carbon

    Our original filter. Removes allergens and traps light household odors from pets, cooking and smoke

  • SmokeBlock

    2x more activated carbon than our original filter. Removes up to 99.99%³ of wildfire smoke

  • AllergenBlock⁵

    Extra protection against allergens. Traps and neutralizes dust, pollen and pet dander

Exclusive features in the highly rated Blueair app

  • Free and fast shipping

  • 30 day home trial

  • Extended warranty

Blue Pure 511i Max

Technical Specifications

  • Dimensions(HxWxD)

    14.5” x 9.3” x 9.3”

  • Product Weight

    4.2 lb

  • Energy Consumption

    17 W

  • Sound level

    19-48 db

  • Air outlet

    Top

  • Recommended room size

    237 ft²

  • Air changes per hour (ACH)

    4.8

  • Clean air delivery rate (CADR)

    Pollen 174 cfm
    Dust 159 cfm
    Smoke 153 cfm

  • Number of filters

    1

  • Speed control options

    1 - 2 - 3 - 4 - Auto - Night

FAQ

Our HEPASilent™ dual filtration technology removes 99.97%¹ of airborne particles down to 0.1 microns, ensuring pollen, cooking odors, smoke, dust, pet dander, mold, chemicals, allergen matter and even tiny particles such as viruses and bacteria², are captured with minimal noise and energy consumption.

4.6
Rated 4.6 out of 5 stars
Based on 1,823 reviews
Total 5 star reviews: 1.5k Total 4 star reviews: 131 Total 3 star reviews: 58 Total 2 star reviews: 34 Total 1 star reviews: 106
89%would recommend these products
1,823 reviews
  • CI
    Christopher I.
    Verified Buyer
    19 hours ago
    Reviewing
    Blue Pure 311i+ Max
    Rated 5 out of 5 stars
    Works for me

    Fairly easy instructions to follow and set up . Set on the recommended auto mode works best for me.

  • SB
    Sophia B.
    Verified Buyer
    23 hours ago
    Reviewing
    Blue Pure Mini Max Bundle
    Rated 5 out of 5 stars
    Good little filters

    Arrived quickly, they look minimal and stylish. VERY quiet on lowest setting. Unprompted, my husband remarked that the air in the bedroom felt "crisper" than the hallway. Great deal.

  • KB
    Kerry B.
    Verified Buyer
    Yesterday
    Reviewing
    Blue Pure 211i Max
    Rated 5 out of 5 stars
    Second one

    Got this because our old one died after three years of use. We hope it lasts longer! Out of the box it’s working fine.

    B Profile picture for Blueair
    Blueair
    14 hours ago

    Thank you for sharing your experience with the Blue Pure 211i Max. We appreciate you choosing us again and are glad to hear it is working well right out of the box. With proper filter care and regular maintenance, it is designed for reliable, long-term performance. We hope it serves your home well for many years to come and are always here if you need support.

  • BC
    Bob C.
    Verified Buyer
    4 days ago
    Reviewing
    Blue Pure 211i Max
    Rated 5 out of 5 stars
    Easy set up

    Immediate results. Mandatory for homes with a wood stove or fireplace.

  • CW
    Cassidy W.
    Verified Buyer
    5 days ago
    Reviewing
    Blue Pure 311i Max
    Rated 5 out of 5 stars
    I can breathe!

    Quiet and visually much less intrusive than other cleaners. The air pollutant report is also fun to read.

¹ Tested on PM 2.5 up to 90 mins

² Based on ELISA deactivation testing of Pollen (Cry J1), Pet Dander (Fel d1, Can F1), Dust Mite Matter (Der f1) on the filter media in 60 minutes.

³ Compared to standard in-unit filter. Based on removal testing of particles 0.4-0.7 μm in 60min in a 30m3 room. Performance may vary.

⁴ When similar CADR was measured, Blueair models with mechanical and electrostatic filtration achieved less noise with less energy than same models with only H13 HEPA mechanical filtration.

⁵AllergenBlock refers to inanimate allergens pollen, dust and pet dander.

*Comparing CADR performance of Blueair models with mechanical and electrostatic filtration vs same models with only H13 HEPA mechanical filtration.

Note: CADR and room size values have been updated to meet new DOE standards. Website listings reflect the most accurate information. You may notice slight differences versus product packaging during the transition.