Every winter, as Delhi’s air thickens with smog, masks return as our go-to protection. They do help filter harmful particulate matter, but poor mask hygiene can ironically do more harm than good. A ...

Delhi Air Pollution: Proper selection, fitting, & usage of masks are essential for their benefitsPixabay Masks are protective coverings worn over the nose and mouth designed to filter out harmful ...

One air filter mask company says that it has received 10 times its normal orders from the Bay Area in the last week. 3 Startups Designing Pollution Masks For The Coming Ecopocalypse Masks are already ...

Results of a new study by environmental health scientists at the University of Massachusetts Amherst suggest that inexpensive cloth masks worn by people who hope to reduce their exposure to air ...

The coronavirus is a rapidly developing news story, so some of the content in this article might be out of date. Check out our most recent coverage of the coronavirus crisis, and subscribe to the ...