AccuWeather meteorologist Paul Pastelok told USA TODAY that the wildfires are likely to continue well into October in Canada, so smoke will continue to be an issue in the United States into the fall.

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

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 ...