Smoke from Canadian wildfires worsened air quality in the eastern U.S. on Wednesday as several Midwestern states battled conditions deemed unhealthy by the federal government. The fires have forced ...

The U.S. Environmental Protection Agency warns that wildfire smoke contains dangerous pollutants in the form of fine ...

We’ve had a couple of days of smoky skies here in Michigan. Here’s what the latest upper-air forecasts show for smoke as we head into the weekend. Firstly, this smoke forecasting and all of the ...

In the U.S., smoke lingered on the skylines of cities from Kansas City to Minneapolis, and a swath of the region had ...

Nearly two dozen wildfires were burning in the Canadian province of Manitoba, just north of Minnesota and North Dakota.

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.

A Saudi government spokesperson says more than 1.5 million foreign pilgrims are in the country for this year's Hajj. Hajj is ...

A planned $15 million project with international partners calls for an innovation hub focused on health care, construction, ...

Smoke from Canadian wildfires carried another day of poor air quality south of the border to the Midwest, where conditions in ...