The Best Air Purifier of 2022

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Air purifier in cozy house to filter dust, smokes and allergies

Poor indoor air quality is a major cause of allergies and sickness. Using a top-rated air purifier in 2022 can help prevent these issues. Indoor air quality is a source of major concern, especially in metropolitan cities which often struggle with air pollution. Now, since the emergence of the novel coronavirus, maintaining a high-quality, safe indoor atmosphere is essential.

An air purifier is the perfect device to help with this. These appliances contain several layers of air filters that capture and remove airborne pollutants from the air. A good air purifier can easily remove up to 99.97% of particles, providing you with cleaner and fresher air to breathe in. The market is filled with a vast range of models, each designed for improving your indoor air quality, so choosing the right model for your needs may not be a simple task.

Below, we rounded up and reviewed the top-rated air purifiers of 2022. This, along with our comprehensive buying guide, can help you choose the one that is most suitable for your space.

top picks

Top pick: Levoit Core 300 Air Purifier

Odor eliminator

Odor eliminator

This air purifier is a small and attractive yet extremely efficient appliance.

It boasts a triple-stage air purification system consisting of a pre-filter, a H13 True HEPA filter and a carbon filter. Good for dust, smoke, mold, pollen and more, it can effectively remove and trap 99.97% of airborne particles while also addressing odor-related issues around your home.

This device boasts a cylindrical design with 360° air intake. The clean air blows out the top in a powerful vortex before spreading evenly to all parts of the room. This filter can easily purify areas up to 517 square feet in 30 minutes, and smaller areas up to five air changes per hour. It is also recognized for being extremely quiet, featuring a near-silent sleep mode if you wish to run it through the night.

Runner up: GermGuardian AC5250PT Air Purifier

Air purifier for allergies, smoke and dust

Air purifier for allergies, smoke and dust

Another option is this 5-in-1 air purifier with amazing air purification abilities.

It features a five-stage filtration system consisting of a pre-filter, an activated carbon filter, a true HEPA filter, a UV lamp and TIO2 treatment. While the first three stages address solid and gaseous airborne particles, the latter two kill germs and airborne viruses for better, safer air quality.

This unit has a vertical design with air intake at the back. It blows clean air out of the front and can cycle the air up to five times an hour when used in a 189 square foot room, or once an hour in a 915 square foot room.

Recommended: Winix 5500-2 Air Purifier

Winix 5500-2 Air Purifier

Winix 5500-2 Air Purifier

This air purifier is one of the most popular units available on the market

It features a four-stage filtration system consisting of a pre-filter, a true HEPA filter, a washable carbon filter and the Winix PlasmaWave. Together, all of these effectively remove air pollutants such as pet dander, pollen, germs, mold spores and odor molecules.

The unit boasts a rectangular design with an air quality indicator light. This glows red when the air quality is poor, orange when fair, and blue when good. Plus, the appliance also features a sleep mode that automatically activates when the room is dark. In this mode all the display lights turn off and the unit operates more quietly.

Also consider: Coway Airmega AP-1512HH Air Purifier

Air purifier with air quality monitoring

Air purifier with air quality monitoring

One other device which is a popular choice amongst air purifier buyers is this model made by Coway.

It is a compact yet powerful unit with ample area coverage of rooms up to 361 square feet. It has a simple-to-use control panel on the top, along with a built-in air quality sensor.

The product has a four-stage air purification system, consisting of a permanent pre-filter, an activated carbon filter, a green true HEPA filter and an optional ionizer function. The unit can run on three different speeds, plus has an auto mode that automatically senses air quality and adjusts its fan speed accordingly.

Honorable mention: Bissell Smart Air Purifier

Quiet bedroom air cleaner

Quiet bedroom air cleaner

This final product is one of the most powerful air purifiers on our list.

It features a rectangular design with a powerful XL fan that draws air in through the front and forces it through three filters. The first is the pre-filter, trapping visible particles like dust, lint and hair. The second is a medical-grade HEPA filter capable of removing particles as small as 0.3 microns. Lastly, there is a honeycomb-structured carbon filter with thousands of activated carbon pellets engineered to capture gases, odors and volatile organic compounds.

Buying guide: Air purifiers

Because of their recent rise in popularity, the air purifier market has been flooded with hundreds of models. Check out the buying guide below for some tips and pointers to find the right one for your needs.

Factors to consider while shopping for an air purifier

Here is a list of features you should consider when choosing an air purifier for your home:

Size and coverage area

From mini wall plug-in models to huge units designed for whole house air purification, air purifiers come in a vast range of shapes and sizes.

One of the first steps when selecting an air purifier is to consider the size of the room you want to filter air in. Or, if you want a portable unit that you can use all over your house, the size of the biggest room. Once you have this measurement in square footage, choose an air purifier with adequate area coverage.

filtration system

The second most important consideration of any air purifier is its filtration system. The best air purifiers contain multiple-stage filtration systems that can target all sorts of air pollutants.

For optimum air filtration, we suggest getting an air purifier consisting of at least a pre-filter, HEPA filter and carbon filter.

The pre-filter removes bigger and visible pollutants that can damage the internal fine filtration layers. Next, the air passes through the HEPA filter that traps smaller particles. Lastly, the carbon filter absorbs the gaseous molecules that cause various odors lingering around the room.

There are other filtration techniques as well, especially for targeting germs and airborne viruses, but we believe the three-stage filtration system to be the most essential of an air purifier.


Air change per hour, or ACH, is the number of times an air purifier can clean and change the total volume of air in a room per hour. The higher this number, the more efficient the air purifier. Aim for getting a unit that delivers at least four air changes within an hour.

Clean air delivery rate, or CADR, is the measurement of air volume that an air purifier can clean at its highest speed. The higher the CADR, the faster the rate of air purification.

noise level

Be warned, an air purifier can be a noisy household appliance. While the noise won’t bother you much during the day, a high noise output can disturb your evening slumber.

So, if you are getting an air purifier for night-time usage, be sure to get one with low noise output. Look for a model that features a sleep mode or emits under 40 or 50 decibels of noise.

Getting the most out of your air purifier

Here are some tips that you can follow to make the most out of your air purifier:

  • Clean or replace the filters of your air purifier regularly to keep it functioning efficiently

  • Place the unit in a room where you spend most of your time, or that is central within your home

  • Place the air purifier in a way so that nothing obstructs its airflow

  • For optimal noise levels, run the device at full speed when the room is empty, and lower the speed when occupied

Types of filters used by air purifiers

A multi-stage air purifier is a very useful appliance in any household, especially if any of your family members have respiratory problems. These are the various types of filters commonly used in air purifiers.

Washable mesh filters

These filters are usually incorporated into air purifiers as a pre-filter. They act as the first filtration stage that prevents larger particles from making their way into the other finer filtration stages. They are designed to trap visible air pollutants such as dust, lint, fiber, hair and more.

Unlike disposable filters, these filters are washable in nature and can be used repeatedly, making them economical and eco-friendly.

HEPA filters

The HEPA, or High-Efficiency Particulate Air, filters are recommended by the US Department of Health for their ability to remove up to 99.97% airborne particles. They provide the highest protection for your home by removing the smallest of microbes and allergens, including mold spores and bacteria.

These air filters are disposable and can last anywhere between three to six months before needing replacement.

Activated carbon filters

Where mesh and HEPA filters are effective at removing solid particles, activated carbon filters are apt at capturing gaseous odor molecules. Their primary job is odor removal, hence they are usually paired with other types of filters for comprehensive air purification.

Carbon filters have a longer lifespan than HEPA ones. You’ll need to replace one of these every six to twelve months.

UV filters

The mechanical filtration stages we described above do little against germs, which is why many air purifiers boast UV filters. They are essentially lamps that emit a short-wave ultraviolet light to kill bacteria and viruses. When the air passes through the unit, the UV lamp disinfects it with germicidal radiation.

Despite their amazing functionality, UV filters are somewhat costly to replace.


Indoor air quality is about two to five times worse than fresh, outdoor air, depending on where you live. A good air purifier can help you and keep your family breathing cleaner, safer air. Not only does it remove and trap airborne pollutants, but it also helps keep lingering odors at bay. Above, we reviewed the best air purifiers of 2022. We hope these products and the detailed buying guide help you identify the right air purifier for your home or other indoor space.

People also asked

Here are some common questions regarding air purifiers:

Q: What are the most effective air purifiers?

A: The most effective air purifiers are the ones that use multiple filtration stages to clean your indoor atmosphere. Look into buying one with at least a three-stage filtration system, consisting of a pre-filter, HEPA filter and activated carbon filter.

Q: How can an air purifier help me?

A: An air purifier is one of the best ways to improve your indoor air quality. It filters the air to remove the floating pollutants like dust particles, mold spores, pet hair and the likes. It can also eliminate annoying odors.

Q: Can air purifiers trap and remove the coronavirus?

A: Yes, certain air purifiers can capture the droplets that the coronavirus spreads through. However, you’ll need a unit that specifically filters against germs and virus particles, likely using a four or five-stage filtration system.

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