TORONTO (CTV Network) — 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 ...

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 ...

These are among the virtues of an ingenious do-it-yourself air-filtration system designed to protect against coronaviruses and other viruses that Brown University students were assembling Friday ...

MILWAUKEE (CBS 58) -- People are building do-it-yourself air filter boxes to increase their level of ventilation and protection against COVID-19. A Corsi-Rothenthal Box is essentially a portable air ...

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 ...

A Corsi-Rosenthal box costs about $100 to make, requiring only four air filters, a box fan and some cardboard and duct tape. Michael Hogue Life in North Texas has largely returned to a pre-pandemic ...