A systematic modeling study of simple air cleaners using a box fan shows these inexpensive units can greatly decrease the amount of airborne virus in these spaces, if used appropriately. Improved ...

WASHINGTON, May 11, 2021 -- Improved ventilation can lower the risk of transmission of the COVID-19 virus, but large numbers of decades-old public school classrooms lack adequate ventilation systems.

When wildfires threaten people's communities, human health is impacted far beyond the inferno. Residual smoke distributes in the breeze, infiltrating homes, schools and offices. To help people protect ...

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 ...

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 ...

An air cleaner can help remove indoor pollutants and reduce the spread of pathogens such as the coronavirus. The Post’s Lena Sun demonstrates how to make one. (Video: Joy Sung, Lena Sun, Jayne ...