Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

Air quality alerts are in effect in the Philadelphia area, fueled by smoke from wildfires that are burning thousands of miles ...

As the city's surface warms, it heats the air above it, causing that air to rise. This rising motion can pull in smoke-laden ...

However, Lake, Porter, Newton and Jasper counties in Indiana will be under another air quality alert all day Tuesday. The ...

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

Air quality in states north of Tennessee has been reduced by smoke from Canadian wildfires, but how will those wildfires ...

The wildfire smoke from Canada that has turned the sky in New England hazy can be harmful for some people, but there are ...

Smoke from over 700 wildfires in Canada have made air quality in cities from Minnesota to the Northeast among the worst in ...

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. By Judson Jones ...

Another air quality alert is in effect Tuesday for NYC, western Long Island, the Hudson Valley, northwest New Jersey and ...

Wildfire smoke from Canada has prompted officials to place the Lehigh Valley and surrounding counties under an air quality ...

New York City air quality is dropping as Canadian forest-fire smoke swirls down the Hudson River, shrouding much of the ...