Heavy smoke from wildfires is darkening skies from the U.S. Midwest to the East Coast. The smoke on Thursday prompted ...

July 17, known as 717 Day, is an unofficial holiday celebrating the 717 area code, which has been a part of south-central ...

Pennsylvania is under a statewide Code Purple air quality alert on Friday because of smoke from the wildfires in Canada and ...

Wildfire smoke is causing hazardous air quality in the Pittsburgh area, prompting a warning from health officials.

With smoke from the Canadian wildfires still hanging heavy over the region, Pennsylvania officials declare a rare Code Purple ...

US air quality map: A Code Purple alert for poor air quality has been declared in Philadelphia due to smoke from wildfires in ...

If the sky still looks gray, milky or unusually hazy Friday, you're still seeing smoke from hundreds of active wildfires burning in Canada and additional fires in Minnesota. Much of the smoke consists ...

Wildfire smoke from Canada and Minnesota has led to a Code Purple alert for Pennsylvania on July 17. See the air quality map.

Charlotte-area forecasters are monitoring Canadian wildfire smoke choking a wide swath of the country, from the Great Lakes ...

Canadian wildfire smoke has moved in over Philadelphia and the surrounding areas prompting Code Red air quality alerts ...

Along with triple-digit temperatures, Delaware residents could have to deal with an orange sky due to Canadian wildfire smoke. While the First State remains in an excessive heat warning and heat ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A freight train derailment in Bucks County, Pennsylvania, on Tuesday ...