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 ...

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 ...

For some of us, allergens are our worst enemy — the fresh pollen of spring, fall foliage, and of course the ever present dust, mold and animal dander. Sometimes the only solution is a high-tech air ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Wildfires have been raging throughout the West Coast of the US for ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Fires in the West have made air quality an ...

Our recent article about energy-recovery ventilators (Ventilate Your Home with Minimal Energy Loss) stated that using a “true high-efficiency particulate air (HEPA) filter” in your forced-air heating ...

As Covid-19 rages on and winter flu season approaches, air purifiers have become a common sight in people’s homes and offices. But the language surrounding air purifiers can be intimidating, with ...