Smoke from Canadian wildfires is beginning to worsen air quality in the eastern U.S. as several Midwestern states battle ...

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National ...

Smoke from more than 100 wildfires blazing in Canada is expected to spread to impact air quality in more U.S. state.

Parts of central Pennsylvania are under a code orange air quality alert, but the Midwest is seeing bigger air quality ...

At 3:45 p.m. on Tuesday, the National Weather Service reported an air quality alert in effect until Thursday at midnight for ...

Canadian Wildfires continued to burn, and smoke from the Canada fires could be affecting U.S. air quality in several states.

Smoke from Canadian wildfires is making its way to Massachusetts, causing hazy skies and air quality concerns over the next ...

Wildfires in Canada have triggered widespread evacuations and hazardous air quality alerts across the northern United States.

A series of wildfires burning across central Canada sent smoke billowing into the U.S. over the weekend, with few signs that ...

Parts of Montana, North Dakota, South Dakota, Minnesota, Iowa and Illinois had swaths of air quality warnings ranging ... air pollution and increased health concerns.

Canadian wildfire smoke is fouling air quality in the US and several states, including Minnesota, Wisconsin, and Michigan, experience unhealthy air. Wildfire smoke has been fouling U.S. air quality ...