Blueair air purifiers are well-known for their advanced filtration technology and quiet operation. Suitable for various room sizes, these purifiers use proprietary HEPASilent technology to efficiently remove allergens, dust, mold, smoke, viruses, and pet dander. Below is a summary table featuring some of the best Blueair air purifiers available today with specifications to help you find the right air cleaner for your space.
Model | Coverage Area | Features |
---|---|---|
Blue Pure 311i Max | Up to 1,858 sqft in 1 hr | HEPASilent dual filtration, fast cleaning, quiet operation |
Blue Pure 511i Max | Up to 926 sqft in 1 hr | Quiet mode, HEPASilent tech, pet and allergy friendly |
Blue 211+ Auto | Up to 2,640 sqft in 1 hr | Auto mode, particle sensor, energy efficient |
Blue Pure 511 | Up to 432 sqft in 30 min | Compact, whisper silent, nursery friendly |
Classic Pro CP7i | Up to 1,413 sqft in 30 min | Dual fan/filter, HINS Pure sterilizing light, rapid purification |
Blue Pure 311i Max For Medium Rooms

The Blue Pure 311i Max is Blueair’s top-performing air purifier designed for medium to large rooms, effectively cleaning spaces up to 1,858 square feet within one hour. It features proprietary HEPASilent dual filtration technology that delivers cleaner air faster while operating with 50% less noise than standard HEPA filters. Quiet Mark certified, it runs between 23 and 50 dB, making it suitable for bedrooms, kitchens, or living rooms.
This model is ideal for addressing allergens, dust, mold, smoke, pet dander, and viruses. Its powerful filtration system enhances indoor air quality comprehensively and quietly, making it suitable for allergy and asthma sufferers. Blue Pure 311i Max offers efficient air cleaning rates, reaching 1,858 sqft in 60 minutes, 929 sqft in 30 minutes, and 387 sqft in just over 12 minutes on high speed.
Blue Pure 511i Max For Small Rooms

The Blue Pure 511i Max is a compact air purifier suitable for small to medium rooms, cleaning up to 926 square feet in an hour. Utilizing HEPASilent technology, it operates with up to 83% faster cleaning and 50% less noise than traditional HEPA filters. It runs quietly between 19 to 48 dB, making it ideal for bedrooms without disturbing sleep.
This purifier is especially beneficial for households with pets, allergies, or those seeking virus protection. It cleans 465 sqft in 30 minutes or around 193 sqft in 12.5 minutes at high speed. The night mode feature dims the lights and minimizes noise to maintain comfort during sleep.
Blue 211+ Auto Air Purifier For Large Rooms

The Blue 211+ Auto is designed for large rooms and open living spaces, cleaning up to 2,640 square feet in one hour on high. Featuring an auto mode with a particle sensor, it continuously monitors air quality and adjusts fan speed for optimal purification. The LED indicator displays air quality status using color codes.
It uses Blueair’s HEPASilent dual filtration technology for faster removal of airborne pollutants while maintaining a noise level as low as 23 dB on the lowest setting. Energy Star rated, it consumes less power than an LED light bulb, making it an environmentally friendly and cost-efficient choice.
Blue Pure 511 Compact Air Purifier For Bedrooms

The Blue Pure 511 is a compact air purifier ideal for bedrooms, nurseries, and small offices. It cleans 432 sqft in 30 minutes and features HEPASilent dual filtration technology that removes 99.97% of airborne particles as small as 0.1 microns. This includes viruses, bacteria, pollen, dust, and pet dander.
Its whisper-quiet operation runs at 24 dB on low, making it perfect for sensitive environments. This model’s compact design allows easy placement on tabletops and desks without sacrificing performance or noise comfort, especially suitable for homes with babies or allergy sufferers.
Classic Pro CP7i Air Purifier For Large Spaces

The Classic Pro CP7i delivers high-performance air purification with a unique dual fan and dual filter system that draws in polluted air and pushes out clean air through two side outlets. It purifies up to 1,413 sqft in 30 minutes or 589 sqft in 12.5 minutes at high setting.
This model introduces HINS Pure technology, a safe sterilization light cycling every 10 minutes to neutralize bacteria and viruses. The visible blue light operates in a safe wavelength to enhance air safety without the drawbacks of other light-based purifiers. It’s suitable for large home spaces or commercial areas requiring continuous sterilization.
Buying Guide For Blueair Air Purifiers
Choosing the right Blueair air purifier depends on several factors to ensure optimal indoor air quality.
- Room Size Coverage: Match the purifier capacity to your room’s square footage for efficient cleaning. For instance, models like the Blue Pure 311i Max are suited for medium to large rooms, whereas the Blue Pure 511 is ideal for smaller rooms.
- Filtration Technology: Blueair uses proprietary HEPASilent technology, combining mechanical and electrostatic filtration for faster and quieter air cleaning compared to traditional HEPA filters.
- Noise Level: Consider noise ratings, especially for bedrooms or nurseries. Models with Night mode or ultra-quiet operation reduce disturbance during sleep.
- Energy Consumption: Look for ENERGY STAR rated models like the Blue 211+ Auto for efficient energy use, saving electricity while running 24/7.
- Automatic Features: Auto-adjusting purifiers with sensors maintain air quality without manual intervention, useful for variable pollution conditions.
- Additional Technologies: Some models incorporate sterilization lights like HINS Pure or offer washable pre-filters, which can extend filter life and improve air cleaning.
- Maintenance: Factor in filter replacement cost and ease. Washable pre-filters can reduce ongoing expenses.
- Specific Needs: If allergies, pets, or virus protection are priorities, Blueair purifiers designed for these issues provide targeted purification.
Evaluating these aspects will help determine the best Blueair air purifier to fit your lifestyle and indoor air quality needs effectively.