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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. New York City has the worst air quality in the world right now due to smoke from Canadian wildfires. The NYC Department of Health ...

New York City has the worst air quality in the world right now due to smoke from Canadian wildfires. The NYC Department of Health told residents to use an air purifier indoors if possible. The EPA ...

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 ...