Hate dusty cases? Then you hate dusty rooms! I found a really nice replacement to a HEPA quality air filter. Take a box fan and then buy a 3M Filtrete 20x20x1 Ultra allergen Filter and buy some ( ...

With the reddish-orange skies and smoke-filled air, Californians who had previously never heard of PM2.5 pollution are quickly learning about the Air Quality Index and what they need to do to protect ...

Eric Schildge is terrified to go back to school in a few weeks. An 8th grade English teacher in Newburyport, the fear of in-person learning during a pandemic is familiar to him. He was in the ...

Although it would be nice, we can’t all work from home. If you have to spend the day in close quarters with other people, you might want more protection than just a mask and sanitizer. Check out ...

TORONTO — This fall, teachers and parents have been sharing photos on social media of do-it-yourself air purifiers that they’ve made for classrooms to help protect kids from COVID-19 transmission. But ...

You have probably heard of this commonly used acronym and effective way to purify indoor air, but you may also be wondering: What exactly is a HEPA filter? HEPA stands for high efficiency particulate ...

HEPA air filters promise to take nasty things out of the air, removing cigarette smoke, pollen and other irritants. How do they do this? Appliance Science looks at how HEPA air filters work, and how ...