If you’re in eastern Pennsylvania or New Jersey and noticed a haze in the sky Sunday morning, you weren’t imagining things.

The high temperatures combined with "low level smoke" led the Pennsylvania Department of Environmental Protection to issue a ...

The alert from the state Department of Environmental Conservation, which is in effect from 10 a.m. to midnight, includes the ...

A heat advisory will be in effect for parts of the area this week as heat indices reach 100 degrees in parts of Delaware. See ...

Scattered storms are back for Sunday afternoon, primarily between 1 and 7 p.m. Any activity eyeing the tri-state through the ...

At 3:45 p.m. on Monday, the National Weather Service reported an air quality alert in effect until Wednesday at midnight for ...

Wildfire smoke from Canada has triggered air quality alerts across New York and the Northeast, with hazy skies and unhealthy ...

Philadelphia is under a heat advisory as temperatures could hit 99 degrees, with a code orange air quality alert for vulnerable individuals.

The National Weather Service has issued a heat advisory for Rhode Island and other parts of Southern New England.