Wildfire smoke is a growing health threat, as climate change and overgrown wildlands collide to generate more frequent and intense wildfires. Wildfire smoke is highly toxic. One UC San Diego study ...

BOISE, Idaho — Many people in the Treasure Valley woke up Monday morning to the smell of smoke. In Boise, as of 7 a.m., the air quality index is 87 which is considered moderate, and in Nampa, it is ...

Add Yahoo as a preferred source to see more of our stories on Google. Wildfire smoke from Canada shrouds the sun as it rises behind the skyline of midtown Manhattan on Friday. (Gary Hershorn/Getty ...

Wildfire smoke contains tiny particles that can be dangerous to your health, and scientists are comparing inhaling wildfire smoke to smoking cigarettes. PM2.5 is mostly produced from combustion ...

The smoke isn’t going away, but where it affects air quality will shift over the next few days. Conditions were improving Saturday for parts of the Northeast, a forecaster said. By Judson Jones and ...

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Thick, choking plumes of smoke from wildfires in Canada are pouring into major cities across the Midwest, Northeast and mid-Atlantic, bringing dangerous air quality to more than 100 million people.

This smoke is creating unhealthy and hazardous air quality throughout the region, which is why the Ohio Environmental Protection Agency has activated an Air Quality Advisory for the entire state.

Carolyn Gusoff has covered some of the most high profile news stories in the New York City area and is best known as a trusted, tenacious, consistent and caring voice of Long Island's concerns.

A gray haze settled over much of Wisconsin on Thursday, July 16 as Canadian wildfire smoke worsened air quality across the state. The statewide air quality alert that went into effect Tuesday, July 14 ...