Officials say hazy sunshine through low-level Canadian wildfire smoke, high temperatures and light southwest winds will ...

Authorities have issued advisories for air quality and high temperatures Thursday in Southwestern Pennsylvania. Smoke from ...

A Code Orange Air Quality Action Day has been issued for parts of the Pittsburgh area on Thursday. The Pennsylvania ...

A fire broke out in a parking garage of Nashville's main public library early Tuesday, sending a large plume of smoke into ...

More toxic than other sources of pollution, wildfire smoke can cause a range of health effects, from mild coughs, itchy eyes and headaches to dizziness, wheezing, chest pains, asthma attacks, ...

DEP said benzene and another hazardous air pollutant could have been released during an explosion at Shell’s ethane cracker ...

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

Wildfire smoke was helping raise ozone to hazardous levels. No alerts have been issued, but the air quality may approach ...

Thursday begins on a very warm and smoky note across most of Western Pennsylvania and Northern West Virginia. Wildfire smoke ...

Smoke from Canadian wildfires started making air quality worse in the eastern U.S. on Wednesday as several Midwestern states ...