Americans could save billions each year under a proposal from the Environmental Protection Agency. But only under ideal ...

Canada is facing another dangerous wildfire season, with burning forests sending smoke plumes across the provinces and into ...

New analysis links air pollution to higher dementia risk, highlighting PM2.5, NO₂, and soot as key contributors.

But when smoke plumes are close to the surface, people are breathing in wildfire chemicals and tiny particles. Those particles, known as PM2.5, can get deep into the lungs and exacerbate asthma and ...

As wildfire smoke becomes a frequent summer hazard across large parts of the US, knowing the risk at the neighborhood scale ...