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 ...

MONTANA - With the wildfires burning across Montana, there's a lot of smoke and haze floating around the Treasure State, which can make going outdoors unpleasant or uncomfortable. - So, what can you ...

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 ...

SEATTLE — Wildfire smoke is full of small particles that can get into your eyes and lungs causing health problems including chest pain, headaches, or an irregular heartbeat. The Washington Department ...

SEATTLE — Wildfire smoke in western Washington can become so bad at times residents may be told to stay indoors with the windows closed. But what can you do if wildfire smoke gets into your home? If ...

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 ...