1 / 7BLUEAIR Blue Pure 311i Max Smart Air Purifier, Model 3332111100
Model: The BLUEAIR Blue Pure 311i Max is a smart air purifier for bedrooms, living rooms, and home offices. The listing describes app control, automatic fan adjustment, and HEPASilent filtration, with room-coverage and noise figures that vary between listing sections.
At a glance
- Built-in sensors are described as adjusting fan speed automatically when pollution levels rise.
- The app is listed for air-quality monitoring, scheduling, remote control, and filter-life tracking.
- The filtration claim covers dust, pollen, pet dander, mold particles, and smoke.
- The listing describes a top outlet and 360° air intake.
Reference price: $229.99
Price checked: Nov 12, 2026
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Pros and cons
Pros
- Sensor-based automatic fan adjustment and app-based monitoring add convenient control options.
- The listed CADR values specify separate delivery rates for pollen, dust, and smoke.
- The stated filtration claim includes common airborne particles such as pollen, dust, and smoke.
Technical specifications
18 specifications| Brand | Blueair |
|---|---|
| Model | 3332111100 |
| Filtration technology | HEPASilent dual filtration technology |
|---|---|
| Particle capture claim | 99.97% of airborne particles down to 0.1 microns |
| CADR | 250 for smoke, dust, and pollen |
| CADR by particle type | Pollen 189 cfm | Dust 174 cfm | Smoke 167 cfm |
| Coverage claim | 439 sq ft in 12.5 minutes and 2,107 sq ft in 1 hour |
| Recommended room size | 255 ft² |
| Air outlet | Top |
| Air intake | 360° air intake |
| Smart control | Yes via Blueair app |
|---|---|
| Speed controls | 1-2-3-Auto-Night |
| Filter lifetime | Up to 9 months |
| Sound level, listing claim | 23–50 dB |
|---|---|
| Sound level, manufacturer detail | Low setting: 19 dB | High setting: 46 dB |
| Energy consumption | Up to 20 W |
| Dimensions listed | 12.5 x 12.5 x 19 inches; 7.72 pounds |
|---|---|
| Dimensions in manufacturer detail | 18.9” x 10.6” x 10.6” |
What to know before buying
Listing details to confirm
Listing details are contradictory or inconsistent: room coverage is stated as 439 sq ft in 12.5 minutes and 2,107 sq ft in an hour, while the recommended room size is 255 ft². Noise is given as 23–50 dB in one section and 19–46 dB in another, and dimensions are listed as both 12.5 x 12.5 x 19 inches and 18.9” x 10.6” x 10.6”. Confirm the intended coverage, noise range, and dimensions for the selected unit.
Who is it for?
A good fit for
- People seeking app-based monitoring and scheduling for a bedroom, living room, or home office.
- Households looking for an air purifier whose stated particle targets include dust, pollen, pet dander, mold particles, and smoke.
Less suited to
- Buyers who need one clearly consistent room-size, noise, or dimension specification before choosing.
Customer reviews on Amazon
- 5 stars
78% 78% - 4 stars
9% 9% - 3 stars
4% 4% - 2 stars
3% 3% - 1 star
6% 6%
Customer feedback highlights perceived air-cleaning effectiveness, quieter operation on lower settings, and convenient app features. Those comments may matter to buyers seeking a connected purifier for living areas, but they do not verify the listing’s coverage or noise figures. Feedback also raises reliability concerns, including reports of some units stopping within two weeks, while value opinions are mixed.
Positive themes
- Customers describe effective air cleaning and appreciate reduced smells, dust, and pollen.
- Customers report quiet operation on lower settings and convenient app functionality.
Negative themes
- Some customers report reliability problems, including units stopping within two weeks.
Mixed feedback
- Opinions on whether the purifier is worth its cost are mixed.
Frequently asked questions
What room size is the Blue Pure 311i Max intended for?
The listing gives a recommended room size of 255 ft², but also claims it can clean 439 sq ft in 12.5 minutes and 2,107 sq ft in an hour. These figures are inconsistent, so confirm the coverage suited to your room before buying.
What does the app control?
The listing says the Blueair app can monitor air quality, schedule operation, track filter life, and control settings remotely.
How often does the filter need replacing?
The manufacturer detail lists a filter lifetime of up to 9 months. Actual replacement timing is not specified.
Alternative options
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2 Pack 311i Max Replacement Filter for Blue Pure 311i Max Air Purifier | Blue Pure ...
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2 Pack 311i Max Replacement Filter for Blue Pure 311i Max Air Purifier | Blue Pure ...
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