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 ...

Canadian wildfire smoke is causing poor air quality today. Those with respiratory issues should limit outdoor time. Inland highs near 90 degrees, cooler along the coast.

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

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality ...