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 ...

Air quality can be impacted by smoke from wildfires. Our reporter set out to build an air filter — in a style the EPA praised, using only things she already had at home. It's almost summer, and if ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Improving workshop air quality is a concern for everyone—who wants to breathe in all ...

A cheap, do-it-yourself air purifier is powerful enough to effectively protect a home from free-floating flu and COVID-19 viruses, according to test results from the U.S. Environmental Protection ...

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 ...