Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to 1

Ultra-Quiet Smart Filtration for Peaceful Sleep and Small Space Purity

Full manufacturer title

BLUEAIR Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to 1,138 Sq Ft, HEPASilent Air Cleaner for Pets, Allergies, Smoke & Dust, Quiet WiFi Air Purifier with Auto Mode White/ Slate

Typical price

$119

Buy on Amazon

Affiliate link. Ravvy may earn a commission from qualifying purchases at no extra cost to you.

Email Text

BLUEAIR Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to 1,138 Sq Ft, HEPASilent Air Cleaner for Pets, Allergies, Smoke & Dust, Quiet WiFi Air Purifier with Auto Mode White/ Slate image 1

Ravvy verdict

89.4 / 100

Buy this if you need a near silent, smart air cleaner for a bedroom and can overlook the slightly higher cost of proprietary replacement filters.

Best for: light sleepers and apartment dwellers seeking smart features
Buy it if: You want extremely quiet 19 decibel operation.
Skip it if: You are large open plan living rooms or high ceiling basements.
Best alternative: BLUEAIR Blue Pure 211i Max Smart Air Purifier for Large Rooms up to 3,235 Sq Ft, HEPASilent Air Cleaner for Pets, Allergies, Smoke & Dust, WiFi Air Purifier with Auto Mode, Quiet Air Purifier for Home (Large open-concept living areas and pet owners needing high airflow.)

How it scores on what matters

Noise Level98.0
Compactness96.0
Filtration Efficiency94.2
Smart Features91.5
Operating Cost72.0

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

The Blueair Blue Pure 511i Max brings premium Scandinavian air purification into compact living spaces. By utilizing HEPASilent dual filtration, this unit captures microscopic particles down to 0.1 microns, making it exceptionally effective against common household triggers like pet dander, pollen, and dust. Its 360 degree air intake ensures that no matter where it is placed in a small room, it can efficiently pull in and scrub the air without struggle. What sets this model apart is the integration of smart sensors and an incredibly low noise floor. At just 19 decibels on its lowest setting, it is effectively a whisper, allowing it to remain in bedrooms or nurseries without disrupting sleep. The companion app offers real time air quality monitoring and automatic fan adjustments, ensuring the device only works hard when the air actually needs it, which saves energy and extends the life of the internal carbon filter.

Ravvy AI insight

While the 511i Max is advertised for up to 1,138 square feet, this is a theoretical maximum for one air change per hour. For optimal allergy relief and odor control, buyers should treat this as a dedicated single room solution for spaces around 250 square feet. The smart Auto Mode is the standout feature here, as it reacts to sudden pollutants like cooking smoke or dust kicks, making it much more efficient than cheaper manual units.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 20, 2026.

What owners praise

Extremely quiet 19 decibel operation
Smart app integration with air quality monitoring
HEPASilent tech captures particles down to 0.1 microns
Compact and lightweight 3 pound design
Washable fabric pre filter prolongs main filter life
Auto Mode adjusts speed based on real time sensors

What to know first

Proprietary replacement filters can be expensive
Effective CADR is limited to smaller rooms for peak performance
Simplified onboard controls rely heavily on the app

Specifications

UPC: 689122026619
Color: White/ Slate
Wattage: 20 watts
Brand Name: BLUEAIR
Department: All Ages
Floor Area: 526 square_feet
Unit Count: 1 Count
Filter Type: Activated Carbon
Item Weight: 2.8 pounds
Noise Level: 48 db
Part Number: 111178
Filter Class: HEPA Activated Carbon
Manufacturer: Blueair
Model Number: 3132111100
Power Source: Corded
Control Method: App
Item Type Name: Air Purifier
Controller Type: Button Control
Number of Packs: 1
Special Features: Corded
Item model number: 3132111100
Specification Met: HEPA Certified
Product Dimensions: 10.6 x 10.6 x 18.9 inches; 2.84 pounds
Included Components: Air Purifier, pre installed filter, and pre installed fabric pre filter
Particle Retention Size: 0.1
Item Dimensions D x W x H: 10.6"D x 10.6"W x 18.9"H
Contaminant Filtration Capability: allergen, dust, mold, odor, pet_dander, pollen, smoke
Global Trade Identification Number: 00689122026619

How to get the most out of it

Optimize for Sleep

Use the Blueair app to dim or turn off the indicator lights at night. You can also set a schedule to ensure it stays on the lowest, quietest setting during your typical sleeping hours.

Ownership tips

care

Clean the Fabric Pre Filter

Vacuum the external fabric sleeve every two weeks to prevent dust buildup from restricting airflow. You can also toss it in the washing machine on a gentle cycle periodically to keep the unit looking fresh.

tip

Placement for Airflow

Because of the 360 degree intake, try to keep the unit at least one foot away from walls or furniture. This allows the internal fan to pull air from all directions efficiently for faster cleaning.

Frequently asked questions

Where can you buy the Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to?

Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to is sold through Amazon, and BLUEAIR also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to cost?

The last price Ravvy recorded was $119. Retail pricing on air quality moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when air quality discounts run deepest, compare the open box or renewed listing against new stock, and check whether BLUEAIR is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to in stock right now?

It was in stock at our last check. Availability on popular air quality can change within hours, so the live listing is the source of truth.

Is the Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to worth it?

Ravvy scores it 89.4 out of 100. The strongest argument for it is extremely quiet 19 decibel operation. The trade off to weigh is proprietary replacement filters can be expensive.

Who should buy the Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to?

It fits light sleepers and apartment dwellers seeking smart features If that does not describe your situation, compare it with the other options in Air Quality before committing.

What are the key specs of the Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to?

UPC: 689122026619. ASIN: B08KPJ76RR. Color: White/ Slate. Wattage: 20 watts.

What are good alternatives to the Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to?

Compare it against the other scored picks in Air Quality on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

Get scored