Smoke from Canadian wildfires again plagued portions of the northern United States on July 16, prompting air quality alerts from Illinois to Maine.

As we head into a sizzling week across Washington, we look at smoke conditions and air quality across the state impacted by ...

Though the Maine DEP expects a large amount of smoke to move out on Wednesday, the smoke will not entirely clear out of Maine ...

BISMARCK, N.D. -- Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air because of drifting smoke from Canadian wildfires, covering the northern region of the U.S. at a time ...

Smoke travels hundreds of miles to harm air quality far from the fire, according to the EPA’s Wildfire Smoke and Your Patient ...

Investigating rumored FEMA map of potential nuclear targets in the US The map dates to 2002 and illustrates hypothetical Russian nuclear attacks on the U.S.

Israel’s military said it had struck the headquarters of the Quds Force, which reports directly to Iran’s supreme leader. The claim could not be immediately confirmed.

North Dakota is experiencing some of the worst air quality in the world due to Canadian wildfires. Smoke is impacting air quality in North Dakota and Montana.

The U.S. Environmental Protection Agency’s Air Now Fire and Smoke Map depicts the current extent of the smoke plume. Outdoor air quality levels are predicted to be greater than an air quality index ...

Officials issue an air quality advisory for counties in southwest Michigan as Canadian wildfires burn. Here's what the air quality index shows.

If you look toward the sky, you will notice another milky look and that’s smoke dropping in from those Canadian wildfires.

A drier pattern will be setting up in central Indiana midweek, but Canadian wildfire smoke will linger in the region.