Health specialists were put on leave, and a report on how to protect 20 million workers from wildfire smoke has stalled ...

Dry conditions in Canada start a chain of events that exacerbates wildfires, injects plumes of smoke in the air and affects air quality in Milwaukee.

More than 200 wildfires are blazing across central and western Canada, half of which are out of control because they’re so ...

Forecasters warn that hazy, grayish-blue skies could persist for many weeks as fires continue to burn, though most smoke will ...

Rising heat, winds, and dry air sparked blazes in the Canadian provinces of Saskatchewan and Manitoba, according to the country’s Department of Natural Resources. Residents in the United States are ...

An air quality advisory for Long Island is the result of smoke from Canada wildfires, New York State officials say.

World leaders may face smoke warnings when they gather next week in Alberta as wildfires burned out of control across much of ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

Even those nowhere near the wildfires are suffering as smoke swirls around Canada and wafts south, creating hazardous air quality all over the midwestern and eastern parts of the United States.

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts says climate change means U.S. residents better get used to it.

According to forecasters at AccuWeather, cities where smoke is expected to become thick enough to be noticeable include Fargo ...

An upper-level low pressure system will draw south another thick plume of smoke from Canada. This will create another round ...