According to a ranking by IQ Air, a Swiss air-technology company, Chicago had the worst air quality in the world for a few ...

For the full 24 hours of Aug. 3, the New York State Department of Environmental Conservation is issuing an air quality health ...

The annual World Dog Surfing Championships took place near San Francisco on Saturday. Thousands of spectators flocked to ...

Smoke from raging wildfires in Canada is causing air quality alerts to blanket the Midwest. Lissette Nuñez is live from Chicago's Lollapalooza music festival.

A century-old lodge en route to the Grand Canyon's North Rim is facing an uncertain future as it navigates the impacts of two ...

Rural state airports are playing a crucial role in Washington's emergency response efforts, particularly during wildfires and ...

The fire in Grand Canyon National Park has grown to more than 100,000 acres amid dry weather and a weak monsoon season in ...

Lake Cushman is closed as crews continue to track the Bear Gulch fire in Mason County, which has burned 4,500 acres and is ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air ...

Federal officials have opened an investigation into Jack Smith, the former special counsel who investigated then-candidate ...

As cooler air sprawls in the eastern United States, heat will throttle up in the zone from west of the Rockies to east of the ...

S moke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...