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VIP sees homemade filters as an interim step toward much better air quality. The group urges tighter controls on pesticide ...

In addition to sprucing up your home, some studies have found that plants can improve indoor air quality. Airy, a plug-less air purifier, recently developed a new version of its air cleaning system, ...

Building a Corsi-Rosenthal box portable air filter comes down to duct-taping together a set of furnace filters and a box fan. Douglas Hannah, CC BY-ND One afternoon, a dozen Arizona State University ...

Everyone wants cleaner air, but the problem is that most air purifiers are large. Too large. If you live in a small apartment where space is at a premium, you aren’t going to want a huge machine ...

Once you start to think about how much dust, dander, and other microscopic debris is constantly floating around your room, it ...

Editor's Note: March 4, 2026 – Ahead of spring and summer allergy season, we’ll be testing a few additional air purifiers for consideration in this roundup. We’re intrigued by the Sans Air Purifier ...

That “HEPA” label on your air purifier might not mean what you think it does, and the difference actually matters.