Allegheny County declared a Code Red Heat Advisory, expanding cooling, outreach to seniors and unhoused residents as heat ...

D.C. issued the "Code Red" air quality alert on Sunday morning, hours after the record-setting fireworks display on the ...

Today, Baltimore will experience with mostly sunny skies and seasonably warm temperatures. The forecast calls for a high near ...

Allegheny County is extending its Code Red Heat Advisory through Saturday as hot temperatures continue to grip the region.

The Fourth of July fireworks display in the capital impacted the amount of fine particulate matter in the atmosphere.