Best Selling Air Purifier
Quiet, fast cleaning with HEPASilent—removes 99.97% down to 0.1µm, covers large rooms, smart app controls and low energy use. Learn more.
$299.99 on Amazon
Buy NowPrice and availability are accurate as of 10/27/2025 02:36 pm GMT and are subject to change.
Tired of lingering odors and airborne allergens? The Blueair 211i Max promises cleaner air with minimal effort. In this review, we break down its features, compare it to the 211+ Auto, and reveal if it’s truly worth the investment.
In a world where indoor air quality has become increasingly important, the Blueair 211 air purifier stands out as a powerful solution for larger spaces. This advanced air purifier combines sleek design with cutting-edge technology to effectively remove allergens, dust, smoke, and odors from your home.
Whether you’re dealing with seasonal allergies, pet dander, cooking odors, or concerns about airborne pollutants, this model offers impressive performance with smart features that make maintaining clean air effortless.
What Makes the Blueair Blue Pure 211i Max Stand Out?
The Blueair Blue Pure 211i Max represents a significant upgrade to the already popular 211+ model. With enhanced capacity, connectivity features, and smart functionality, it’s designed to efficiently clean the air in spaces up to 635 square feet in just 12.5 minutes. The unit combines HEPASilent™ technology with activated carbon filtration to remove 99.97% of airborne particles down to 0.1 microns, including allergens, dust, smoke, and VOCs.
What truly sets this air purifier apart is its balance of powerful performance and user-friendly operation. The smart features allow you to monitor air quality in real-time through the Blueair app, while the auto mode adjusts fan speed based on detected pollutants. Despite its impressive cleaning power, the 211i Max maintains quiet operation even at higher settings.
Key Features at a Glance
- 635 sq. ft. coverage in 12.5 minutes
- HEPASilent™ filtration technology
- Real-time air quality monitoring
- WiFi connectivity and smartphone app
- Energy Star certified (46W power usage)
- Quiet operation (23-53 dB)
- 5 fan speeds including Auto and Night modes
Performance and Filtration System
Three-Stage Filtration for Maximum Effectiveness
Washable Pre-Filter
Captures large particles like dust and pet hair, extending the life of the main filter. Available in multiple colors to match your decor, this outer layer is easy to remove and clean.
HEPASilent™ Technology
Combines electrostatic and mechanical filtration to capture 99.97% of airborne particles down to 0.1 microns, including allergens, pollen, mold spores, and bacteria.
Activated Carbon Filter
Effectively removes common household odors, VOCs, and smoke, leaving your air fresh and clean. Particularly effective for cooking smells, pet odors, and wildfire smoke.
| Performance Metric | Rating | Details |
| Clean Air Delivery Rate (CADR) | 410 cfm | Identical high ratings for dust, pollen, and smoke removal |
| Coverage Area | 635 sq. ft. | Complete air cleaning in 12.5 minutes (4.8 air changes per hour) |
| Extended Coverage | Up to 1,524 sq. ft. | Complete air cleaning in 30 minutes |
| Noise Level | 23-53 dB | Whisper-quiet at lowest setting, conversation level at highest |
Experience Cleaner Air Today
Join thousands of satisfied customers who’ve transformed their indoor air quality with the Blueair Blue Pure 211i Max.
Check Amazon →Smart Features and Connectivity
Intelligent Air Quality Monitoring
The Blueair 211 continuously monitors your indoor air quality, displaying results through a color-coded LED indicator on the unit and detailed readings in the companion app. The built-in particle sensor detects PM1, PM2.5, and PM10 particles, adjusting the fan speed automatically in Auto mode to maintain optimal air quality.
Convenient Remote Control
With the free Blueair app, you can control all aspects of your air purifier from anywhere. Adjust fan speeds, check filter life, monitor air quality trends, and even set schedules. The app also provides outdoor air quality information for your location, helping you make informed decisions about ventilation.
Smart Home Integration
The 211i Max works with voice assistants, allowing hands-free control when you’re busy cooking or cleaning. The “Welcome Home” feature can detect when you’re approaching your home and automatically turn on the purifier to ensure you return to clean air.
User Tip: Getting the Most from Your Smart Features
For optimal connectivity, place your 211i Max within 15 feet of your WiFi router. The app provides the most functionality, including brightness control, filter life monitoring, and detailed air quality data that isn’t available through the unit’s display alone.
Smart Air Purification at Your Fingertips
Take control of your indoor air quality with intelligent monitoring and convenient remote operation.
Check Amazon →User Experience and Design
What We Love
- Exceptionally quiet operation even at higher speeds
- Stylish, minimalist design that blends with home decor
- 360° air intake for efficient purification
- Simple, intuitive controls with helpful app guidance
- Night mode with fully dimmed lights for undisturbed sleep
- Child lock feature prevents accidental setting changes
- Customizable pre-filter colors to match your style
Considerations
- Relatively large footprint (22.7 x 14.4 x 14.4 inches)
- Somewhat heavy at 16.2 pounds with no carry handle
- Replacement filters are expensive ($140 annually)
- Blue light can be difficult to turn back on once dimmed
- App may not work properly when using a VPN
- Pre-filter includes a leather tag (not vegan-friendly)
- Limited air quality monitoring (PM only, no VOC or CO2)
Customer Feedback Highlights
Join Thousands of Satisfied Customers
Experience the difference that thoughtful design and powerful performance can make in your home’s air quality.
Buy Now on Amazon →Technical Specifications
| Specification | Details |
| Dimensions | 22.7 x 14.4 x 14.4 inches |
| Weight | 16.2 pounds |
| Coverage Area | 635 sq. ft. in 12.5 minutes; up to 1,524 sq. ft. in 30 minutes |
| CADR Ratings | Pollen: 410 cfm; Dust: 410 cfm; Smoke: 410 cfm |
| Air Changes Per Hour | 4.8 ACH in recommended room size |
| Fan Speeds | 5 settings (1, 2, 3, Auto, Night) |
| Noise Levels | 23 dB (lowest) to 53 dB (highest) |
| Power Consumption | 46 W (Energy Star certified) |
| Filter Replacement | Recommended every 6-9 months |
| Annual Filter Cost | Approximately $140 |
| Connectivity | WiFi, Bluetooth, compatible with voice assistants |
| Warranty | 1-year limited (extendable to 3 years with registration) |
Filter Maintenance and Replacement
The Blueair Blue Pure 211i Max uses a proprietary RealTrack algorithm to monitor filter life based on usage patterns, fan speed, and detected pollutant levels. When it’s time to replace your filter, a yellow alert light will appear on the unit, and you’ll receive a notification in the app.
To maximize filter life, regularly vacuum and wash the pre-filter. The main filter (F2Max Replacement Filter) should be replaced every 6-9 months depending on air quality and usage. Blueair offers a subscription service that provides a discount on replacement filters and ensures you never forget to order.
Filter Replacement Process
- Unplug the unit for safety
- Remove the top section and pre-filter
- Take out the silencer unit
- Pull out the old filter using the small loops
- Insert the new filter and reassemble
- Reset the filter indicator by holding the Fan Speed button for 15 seconds
Ready for Cleaner, Fresher Air?
The Blueair Blue Pure 211i Max combines powerful performance with smart features to deliver exceptional air purification for your home.
Buy Now on Amazon →How Does It Compare?
| Feature | Blueair 211i Max | Blueair 211+ Auto | Comparable Competitor |
| Coverage Area | 635 sq. ft. | 550 sq. ft. | 500 sq. ft. |
| CADR Rating | 410 cfm | 350 cfm | 300 cfm |
| Fan Speeds | 5 (including Auto & Night) | 3 (including Auto) | 4 speeds |
| Noise Level (Low) | 23 dB | 31 dB | 27 dB |
| Smart Features | WiFi, App, Voice Control | Auto Mode Only | Basic App Control |
| Filter Life | 6-9 months | 6 months | 6 months |
| Warranty | 1-year (extendable to 3) | 1-year | 1-year |
Why Choose the Blueair 211 Purifier?
- Greater coverage area than previous models
- Higher CADR ratings for faster air cleaning
- More fan speed options for precise control
- Quieter operation at all speed levels
Enhanced Performance
- Real-time air quality monitoring
- Remote control via smartphone app
- Voice assistant compatibility
- “Welcome Home” feature for automatic operation
Smart Connectivity
- Energy Star certified for efficiency
- Made by a certified B Corporation
- Washable pre-filter reduces waste
- Recyclable filter materials
Sustainable Design
Upgrade Your Air Quality Today
The Blueair Blue Pure 211i Max offers superior performance and smart features that make it worth the investment.
Buy Now on Amazon →Final Verdict: Is the Blueair Blue Pure 211i Max Worth It?
After thorough testing and analysis, the Blueair Blue Pure 211i Max Air Purifier proves to be an exceptional choice for anyone seeking to improve their indoor air quality. Its combination of powerful filtration, smart features, and user-friendly design makes it stand out in a crowded market of air purifiers.
While the initial investment and replacement filter costs are higher than some competitors, the performance justifies the price. The unit excels at removing allergens, dust, smoke, and odors from large spaces quickly and quietly. The smart features add genuine value, allowing you to monitor and control your air quality even when you’re away from home.
For families with allergies, pet owners, those concerned about wildfire smoke or urban pollution, or anyone who simply wants cleaner air, the Blueair Blue Pure 211i Max delivers exceptional results. Its Energy Star certification and B Corp manufacturer credentials also make it a more sustainable choice than many alternatives.
Breathe Easier with the Blueair Blue Pure 211i Max
Transform your indoor air quality with this powerful, smart, and beautifully designed air purifier.
Buy Now on Amazon →Best Selling Air Purifier
Quiet, fast cleaning with HEPASilent—removes 99.97% down to 0.1µm, covers large rooms, smart app controls and low energy use. Learn more.
$299.99 on Amazon
Buy NowPrice and availability are accurate as of 10/27/2025 02:36 pm GMT and are subject to change.
Blueair 211i Max Air Purifier FAQs & Troubleshooting
How often do I need to replace the filters?
Blueair recommends replacing the main filter every 6-9 months, depending on usage and air quality. The app will notify you when it’s time for a replacement. The pre-filter can be washed regularly to extend the life of the main filter.
Is the Blueair 211i Max good for allergies?
Yes, the HEPASilent™ technology captures 99.97% of airborne allergens down to 0.1 microns, including pollen, dust mites, pet dander, and mold spores. Many users report significant improvement in allergy symptoms after using this air purifier.
How loud is the 211i Max?
The 211i Max operates at 23 dB on its lowest setting (Night mode), which is quieter than a whisper. At its highest setting, it reaches 53 dB, which is about the volume of a normal conversation. Most users find it very quiet, especially compared to other high-capacity air purifiers.
Can I use the 211i Max without WiFi?
Yes, you can operate the unit using the physical controls on the device. However, some features like detailed air quality monitoring, remote control, and brightness adjustment are only available through the app.
Does it help with wildfire smoke?
Yes, the 211i Max is highly effective at removing wildfire smoke particles from the air. Its activated carbon filter helps remove smoke odors, while the HEPA filter captures the fine particulate matter. Many users have reported excellent results during wildfire seasons.