These are the best air purifiers you can buy in every category, from Levoit Core 600S and BlueAir Blue Pure 411i Max to Dyson ...

The best air purifiers quickly and quietly improve indoor air quality. We tested 40 units to see how well they filter allergens, dust, and smoke.

We tried close to a dozen air purifiers from Coway, Levoit, Blueair and more. Here are the ones that still live in our homes years later.

One air purifier didn't even show whether my air quality was good or not nor adjust to an influx of cooking odors. It seemed just like a glorified fan to me.

We’ve tested over a dozen air purifiers that range from $150 to $1,200 — but the most effective method for getting the green light from our air quality monitors is completely free: opening the ...

The air purifier overall is well-designed, as it features automatic fan speed switches, a true HEPA filter that can remove 99.97% of particulate matter, and an air quality monitor.

Best budget air purifier for allergies: Runner-up. Priced at just $139.99 (and often on sale), the Morento MR5866 Smart Air Purifier is a great alternative to the GermGuardian AC4825E.

The best air purifiers solve a few common problems: They rid your space of dust mites, pesky dander, and other airborne pollutants that can cause allergy flare-ups. Unlike home appliances such as ...

Studies of room air purifiers show that using HEPA filters—filters with very fine mesh, certified to collect 99.97 percent of particles of a certain hard-to-capture size (0.3 micrometers in ...

Risks from the Covid-19 pandemic and increasingly intense wildfire seasons sparked interest in air purifiers as a tool to keep indoor air healthy. But experts say they can be just as important to ...

You can find simple air purifiers for $15-$25, HEPA-equipped models for $20-$50 and bags of active charcoal for as little as $10. There are also highly advanced purifiers that cost well over $100 ...