Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

The National Weather Service has issued an Air Quality Alert for areas north and west of Boston and Worcester for Tuesday.

An air quality alert is in effect for all of Massachusetts as smoke from Canadian wildfires descends into the Boston area.

Smoke from wildfires has caused the sun to appear more vibrantly reddish orange to people nationwide over the years. Just ...

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

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

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

A study compares the data that went into the maps from federal monitoring stations, low-cost sensors and satellites that ...

Fire crews are working to contain a fast-moving brush fire in Ventura and Los Angeles counties that has led to evacuations on Thursday.

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts across the U.S.

Smoke from hundreds of wildfires in Canada has choked the skies over dozens of northern U.S. states in the Great Lakes and Northeast regions.

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.