The EPA says if you are sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are outdoors.

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

An updated air quality alert was reported by the National Weather Service on Tuesday at 4:52 p.m. in effect until Thursday at ...

More beachgoers have been getting an unexpected shock this summer as jellyfish numbers bloom along the Delaware coast, interrupting — but not stopping — the summer fun. Beach ...

Air quality alerts are in place for portions of 10 states from Minnesota to Delaware as officials warn the smoke may become ...

Canadian wildfire smoke will lend a hazy appearance to the sky, and high clouds blanket much of the Philadelphia region, ...

Canadian wildfire smoke, along with high clouds blanketing much of the Philadelphia region, will lend a hazy appearance to ...

Wildfire smoke will continue to linger and bring a haze to parts of the area Wednesday. Expect overall cloudy and muggy ...

A medical transport plane crashed and caught fire Tuesday on the Navajo Nation in northern Arizona, killing four people, the ...

The Londonderry Township board of supervisors has postponed the decision on changing zoning rules to allow an AI data center ...

Under a Code Orange alert, it's recommended that children, older adults and those with respiratory illnesses limit time spent ...