Blueair Blue Pure 211+ Auto Large Area Air Purifier with Auto Mode for Sensitivity, Pollen, Dust, Smoke, Pet Dander with HEPASilent Technology and Washable Pre-Filter
From the manufacturer
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Freely place almost anywhere with 360º air intake
Unlike some air purifiers with strict rules for placement, the Blue Pure 211+ Auto uses a 360-degree air intake, meaning you can place it almost anywhere in the room without compromising performance.
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Designed for large rooms
Filters the air at a rate of approx. 4.8x an hour (or about every 12.5 minutes) in a 550 ft² room to effectively lower particle levels in large living and family rooms.
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Performance you can trust
Independently evaluated for performance by the AHAM Verifide Program for room air cleaners with a Clean Air Delivery Rate (CADR) of 353 CFM smoke, 380 CFM pollen, and 347 CFM dust in 550 ft² rooms.
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Carbon layer
A layer of activated carbon traps light household odors from pets, cooking, and smoking.
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Fabric pre-filter
The fabric pre-filter offers the first layer of protection, catching larger particles from the air.
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HEPASilent technology
Electrostatic filtration works with the particle filter to remove 99.97% of airborne particles.
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Particle filter
The main particle filter removes airborne allergens, like pollen, dust, pet dander, germs, and more.

Low noise and energy consumption

Low noise level
Cleans the air with noise levels no louder than a whisper on low (23 dB) and with less noise than a normal conversation on high (56 dB).

Low energy consuption
ENERGY STAR certified for energy efficiency (4-38 W) - certified room air purifiers are 40% more energy-efficient than standard models.

Compare Blue family air purifiers
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Recommended Room Size
| 550 ft² | 540 ft² | 388 ft² | 190 ft² | 185 ft² | 161 ft² | 620 ft² |
CADR - Smoke
| 353 cfm | 350 cfm | 250 cfm | 123 cfm | 119 cfm | 105 cfm | 400 cfm |
Auto Mode
| ✔ | ✘ | ✔ | ✔ | ✘ | ✘ | ✘ |
AQI
| ✔ | ✘ | ✔ | ✔ | ✘ | ✘ | ✘ |
Included Pre-Filter
| Arctic Trail | Dark Shadow, Diva Blue | Arctic Trail | Arctic Trail | Dark Shadow | Dark Shadow, Diva Blue | Dark Shadow, Diva Blue |
Metal Filter Housing
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
AHAM Verifide
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✘ |
Product Quick Look
- The Blue Pure 211+ Auto air purifier takes a simple approach to air quality management with an integrated particle sensor, Auto mode setting, and LED air quality display. The ENERGY STAR® certified air purifier delivers high performance with one-button control and customizable pre-filter colors in a lightweight, compact package. Independently evaluated and third-party tested for performance as part of the AHAM Verified® Program for room air cleaners, this air purifier has a Clean Air Delivery Rate (CADR) of 353 cfm for fine smoke particles, 380 cfm for pollen particles, and 347 cfm for dust particles. Removes 99%* of fine particles from wildfires; *In 60min. Tested on PM 2.5 (GB/T 18801-2015). Recommended for large living rooms, family rooms, and playrooms with a 360° air intake to completely filter room air about every 12.5 minutes¹ (4.8x an hour at 550 ft²) on the highest speed.² The 3-step combination particle + carbon filter works with Blueair’s removing 99.97% of airborne particles down to 0.1 s, like pollen, dust, pet , m and more. An additional layer of activated carbon light household .⁵ Blue Pure 211+ Auto quietly cleans the air with less noise than a whisper⁶ on low (23 dB) and up to a normal conversation on high (56 dB) – while using less energy than a light bulb (4-38 W) on all speeds.⁷ The one-touch enabled Auto mode is designed to help you maintain a comfortable home environment. When enabled, the setting automatically adjusts to real-time conditions reported by the integrated particle sensor. Stay up to date on your air quality with the LED display; it changes color to indicate good, moderate, or poor. Change color in seconds with five fabric pre-filter options inspired by Scandinavian nature. The fabric material of the pre-filter catches larger particles and extends the life of the primary filter. Plus, a hidden compartment in the fabric pre-filter keeps the power cord hidden out of sight. Vacuum the fabric or toss it in the washing machine whenever it needs cleaning. Pre-filter in Arctic Trail (gray) included; Additional colors available for purchase. At Blueair, our Swedish heritage inspires sustainability and quality at the heart of everything we do. All Blueair purifiers are AHAM Verified for Clean Air Delivery Rate (CADR) and given a recommended room size. ¹Air Changes per Hour (ACH) calculation is a product of recommended room size & average ceiling height over CADR ²According to ANSI/AHAM AC-1 recommended room size ³Based on particle CADR using GB/T18801-2015 standards comparing HEPASilent technology (mechanical + electrostatic filtration) vs. only mechanical filtration at same fan speed (RPM) & energy consumption (18.3 W) ⁴This air purifier not been tested against & Blueair does not claim to capture, remove, or kill SARS-COV-2 (COVID19) ⁵Based on GB/T18801-2015 test standards removal of formaldehyde & VOC ⁶Sound pressure according to GB/T18801 & GB4214.1 ⁷Tested according to GB/T18801-2015 standard. "Light bulb" defined as an LED light bulb with 40 W energy consumption.
- Performance you can trust; Third-party tested for performance by the AHAM Verified Program for a Clean Air Delivery Rate of Smoke 353, NULL 380, NULL 347
- Recommended for large rooms; Completely filters air in large living rooms, family rooms & playrooms about every 12.5 minutes¹ (4.8x an hour at 550 square feet)² on high
- Combination filter; Activated carbon removes light household NULLs; HEPASilent technology filters 99.97% of particles, like NULL, NULL, and NULL
- Intuitive Auto mode; Automatically adjusts to real-time conditions reported by the particle sensor to maintain a comfortable home environment
- Low noise and energy; Quietly cleans the air with less noise than a whisper⁶ on low (23 dB) and up to a normal conversation on high (56 dB) – while using less energy than a light bulb (4-38 W) on all speeds⁷
- Customize freely; Five pre-filter color options inspired by Scandinavian nature; Washable fabric pre-filter in Arctic Trail (dark gray) included
Product Dimensions | 13 x 13 x 20 inches |
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Item Weight | 18.51 pounds |
Manufacturer | Blueair |
Country of Origin | China |
Item model number | 106237 |
Assembly Required | No |
Number of Pieces | 1 |
Warranty Description | 1-year limited warranty. Extend warranty to up to 2-years with product registration on Blueair.com. |
Batteries Required? | No |
Included Components | Air Purifier, Fabric Pre-filter in Arctic Trail, Combination Particle + Carbon filter, User manual |