Smoke from Canadian wildfires drifted down heavily into Montana on Wednesday and Thursday, covering a large swath of north-central Montana.

Officials at Cleveland Department of Public Health are keeping an eye on local threats to the region’s air quality, including ...

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

The raging fires on Thursday are also expected to degrade air quality in parts of the Great Plains and Midwest. In New York, ...

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

Rain overnight in Calgary did little to clear the wildfire smoke affecting the city, leading to an air quality warning early ...

Smoke originating from wildfires raging across several Canadian provinces will slowly move south and east over the next few days, the FOX Forecast Center said.

Smoke traveling from wildfires in Canada, North Dakota and Minnesota triggered an air quality warning in northern Wisconsin.

(KNSI) — Smoke from large wildfires in Canada is once again blowing into Minnesota, making the air unsafe for some people to ...

The Minnesota Pollution Control Agency (MPCA) issued the alert for central and southern Minnesota, which will run until 11 ...

Thursday is likely to be the hottest day of the day, so far, and with hazy, hot and humid conditions, officials have issued a ...

The alert encompasses the central and southwestern portion of the state, ranging as far north as East Grand Forks, south to ...