The maps offer real-time insight into where smoke is driving air quality into unhealthy or even hazardous territory.

Heavy smoke from several large wildfires blazing in Canada and Minnesota engulfed large swaths of the Midwest and East Coast.

Heavy smoke from wildfires in northern Minnesota and Canada has spread across Minnesota, prompting air quality alerts warning that outdoor activities could be hazardous. See where air quality ...

Smoke from Canadian wildfires has prompted air quality alerts across Michigan, with officials urging residents to monitor local conditions before spending extended time outdoors. The easiest way to ...

EDITOR'S NOTE: This is the forecast from Thursday, July 16. Get the Friday, July 17 forecast here. A statewide air quality alert in Michigan has been extended through Friday, July 17, as officials ...