Blueair Pure 221 Air Purifier – How Good Is It?

Blueair 221
Our Score

Many of us spend most of our time indoors, the recent pandemic has made this even worse. New research shows that individuals may be spending almost 90 percent of their time indoors. This has led to many of us using air purifiers to keep the air in our homes free from dust, pollutants, mold, and pollen. When it comes to air purifiers, the Blueair Pure 221 Air Purifier offers premium performance at a fair price.

The Blueair Pure 221 Air Purifier is one of the best solutions for controlling and improving our homes’ indoor air quality. Owning a Blueair 221 with its three-stage filtration process is a guaranteed way of improving the air quality in your home. The Blueair 221 can help keep your indoor air clean and free from allergens that may trigger health issues. It utilises three forms of filtration to remove up to 99.97% of pollutants and has a huge impact on indoor air quality.

Blueair Pure 221 Air Purifier Review

What we like

The Blueair Pure 221 Air Purifier is quiet and efficient, it uses 3 stage filtration for maximum air purification. First, a fabric pre-filter traps large particles, the air is then pulled through a HEPA filter and finally a carbon filter. The Blueair 221 uses HEPA technology to efficiently remove 99.97% of odors, smoke, gases, pollen, dust, and pet dander! The unit is easy to use, portable and will replace the air in a 50m2 space 5 times an hour.

Blueair Blue Pure 221

Blueair Pure 221 Air Purifier
  • Up to 61 watts
  • Washable fabric pre-filter
  • 360 degrees air intake
  • Touch-button controls
  • Quiet operation
  • Particle filter
  • Carbon filter
  • Lightweight
  • Available in several colours
  • Incredibly stylish


The high-capacity filtration air purifier works around the clock, replacing the air in a 50m2 space every 12 minutes. The filtering process ensures you and your family breathe cleaner indoor air. The HEPA filtration system utilizes electrostatic filtration technology for a wider room reach. It eliminates close to 98 percent of particles, mold, bacteria, smog, smoke, mildew, allergens, dust, viruses, gases, and musty odours.

The unit removes up to 99.97% of pollutants from the air using HEPA technology. In addition, the activated carbon and charcoal filter fabric removes pet hair and other airborne particles around the house. The Blueair 221 offers high-end performance for a fair price! We are firm believers in quality products when it comes to serious items such as air purifiers. You shouldn’t trust cheap, low-end products when it comes to air quality and health.

More and more of us are living in areas suffering from low air quality and unfortunately, this is seeping into our homes. The health impacts of air pollution are no longer something we can dismiss. We can confidently say that the Blueair 221 is a great option for spaces up to 50m2 and will greatly reduce the hazard posed by pollution.


  • 590m3/hr
  • 360 degrees air intake
  • Low energy consumption
  • HEPA filtration system
  • Activated charcoal filter lining
  • Single-button controls
  • Three function settings
  • Portable
  • Ideal for large rooms
  • Available in several colours
  • Washable fabric pre-filters
  • Certified by AHAM


  • No remote control or timer
  • Air quality levels may fluctuate
  • 56dB on max setting

Blueair 221 Air Purifier Features

Easy controls

The Blueair Pure 221 Air Purifier is super-easy to operate and adjust when necessary. It starts up with a one-button click. There are three-speed settings to provide fast, efficient air quality control. You also get timely alerts when you need to replace the filter.

Quiet Operation

The machine works quietly, especially on the lowest fan setting. Between the three speeds, the noise ranges from as low as 32dB to as high as 56 dB. The highest speed will still not exceed regular household appliance noises. The lowest speed should be quiet enough for most people to get a good night’s sleep in the company of the Blueair.

Low energy consumption

The Blueair 221 Air Purifiers power consumption ranges from 31 to 60 watts. We consider this to be very efficient considering the huge volume of air it can purify. We recommend running the Blueair Pure 221 Air Purifier on a low setting most of the time. By doing this, you will consume the minimum amount of electricity and won’t notice a bill increase!


You can set up the air purifier in any room in the house. It’s ideal for large spaces measuring up to 50 sq. meters. It is lightweight, weighing less than 7 kg, and moving does not reduce the machine’s efficiency or airflow. The Blueair takes in air at all angles, 360 degrees! This allows you to place the Blueair 221 wherever you want unlike many other purifiers.


The Blueair Pure 221 Air Purifier offers a minimalist design that is attractive and practical for any room in the house. Set it up in kids’ rooms, living rooms, and other areas where stale air is present. The unit comprises a HEPA particle and carbon mesh filter at the base and a fan and dust filter. Several trendy colours complete the range to offer suitable options to colour coordinate your rooms.


Blueair 221FeatureLevoit Core 300
3Filtration methods3
7 kgWeight4.2 kg
3/5Features 3/5
5Air changes per hour2
50m2Suitable for40m2

Whilst the Blueair Pure 221 Air Purifier and Levoit Core 300 serve the same purpose, they offer very different levels of performance. While the Levoit Core 300 is a solid, cheaper alternative to the Blueair 221, the Blueair 221 has a MUCH larger m3/hour capacity at 590 versus 187! If you are looking for a seriously powerful air purifier, then the Blueair Pure 221 Air Purifier offers just that.

The Blueair 221 has ratings and awards from bodies such as Good Housekeeping, CARB certification, AHMA, and Energy Star, among others. Because it is so much more powerful, the Blueair Pure 221 produces more noise and consumes slightly more electricty on the high setting. The benefit of this is that the extra power translates into almost 3x the m3 per hour of air being cleaned! This means you breathe in cleaner air more often with Blueair 221 due to the huge 590m3 per hour.

On average, Blueair also has a 350 AHAM CAD rating for removing pollen, smoke, and dust. The Blueair absorbs noxious odors and harmful gases and reduces viruses, pollen, pet hair, smoke, odours, dust mites, and more. This certification means that you can trust the Blueair 221 to deliver on it’s promises.

The triple-layer filter system also makes the entire unit super-efficient and high-performing. Another quality customers value about Blueair Pure 221 Air Purifier is choosing the colour that best fits their current décor.

Ratings and Value

The Blueair Pure 221 Air Purifier is one of the top models in air purification technology solutions worldwide. The company’s AHAM clean air delivery rating for removing pollutants is – Smoke/350, Dust/350, and Pollen/350. Overall, they enjoy a 590 clean air delivery rating approval by AHAM. Additionally, the machine is also CARB certified and boasts approval ratings by Energy Star and Good Housekeeping.

The unit enjoys over 80 percent customer satisfaction. Users like the Blueair 221 Air Purifier’s quality, design, and high filtration capacity. The high-functioning air intake capacity ensures you get a night of restful sleep and general comfort around the house.

Although some users feel the machine is expensive, they note the broad 360 degrees of air intake for larger spaces. The super-efficient carbon and charcoal filter systems work daily to purify indoor air by circulating cleaner air in each room.

The filters absorb up to 99.97 percent of VOCs, odors, gases, pollen, pet dander, mildew, fungus, mold, dust. The machine is compact and lightweight, and easy to move around to set up in any room as needed.

Blueair 221 Air Purifier FAQs

1. Is Blueair 211 a HEPA filter?

Yes, the Blueair 211 air purifier is a HEPA rating filter. HEPA mesh-style filters offer extensive, top-performing air purification for every room in the house. HEPA filters trap up to 99.97% of the smallest microparticles that you can’t see with the naked eye.

HEPA filters work by trapping several allergens, spores, smoke, dust mites, dog and cat hair, odours, mold, mildew and, gases. By absorbing these particles, HEPA filters make the air cleaner for better sleep and overall comfort. The filtering system is highly efficient for providing excellent coverage for persons who have challenges with asthma and allergies.

2. Does Blueair 221 emit ozone?

According to studies, Blueair 221 does not emit ozone gas. Instead, research on the unit’s performance suggests it can remove VOCs, smoke, gases, pollutants, and irritants. It’s also ideal for reducing pollen, smog, pet hair, spores, viruses, bacteria, mold, and more.

3. Does the Blueair 221 require replacement filters?

Yes. The product manufacturers recommend replacing the inner HEPA filter every 6 months, these can be found on Amazon or the manufacturer’s website. The Blueair Pure 221 Air Purifier has an inbuilt LED which will turn red when the filter needs changing.

4. Does the Blueair 221 outer pre-filter require changing?

No! This is a brilliant feature you don’t often find in other air purifiers. The manufcaturer recommends machine or hand washing the outer cover every 2-3 weeks for optimal efficiency.

5. Where is the best place to put the Blueair 221 air purifier?

You can place the Blueair Pure 221 Air Purifier wherever you want. This is thanks to the innovative 360 degree airflow system. Many air purifiers come with strict rules about where to place them, not the Blueair!

Blueair Blue Pure 221

Blueair Pure 221 Air Purifier
  • Up to 61 watts
  • Washable fabric pre-filter
  • 360 degrees air intake
  • Touch-button controls
  • Quiet operation
  • Particle filter
  • Carbon filter
  • Lightweight
  • Available in several colours
  • Incredibly stylish

Final Thoughts

Low indoor air quality is especially worrying for adults and children who have asthma and other respiratory illnesses. Breathing cleaner air can help reduce the incidence of allergies and other irritants at home. The Blueair 211 Air Purifier offers a highly efficient air filtering and purifying capacity that removes almost 99 percent of airborne particles.

Moreover, the machine meets several approval ratings for quality performance and overall industry standards. It’s a top-quality air purifier that operates at optimal levels to provide cleaner, more breathable air in the home.

The Blueair 221’s three-layer filtering technology with HEPA has everything it takes to provide a safe, quiet, and comfortable indoor atmosphere.

Last update on 2024-06-23 / Affiliate links / Images from Amazon Product Advertising API

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