The ongoing wildfires have put the Los Angeles area under an air quality alert, with the National Weather Service advising ...

The Philadelphia Department of Public Health gives ... According to officials, health department inspectors collected an air sample "in the immediate vicinity of the fire" before it was brought ...

Philadelphia officials say residents of the city's Frankford section can return to their normal routines after a massive fire at an industrial building on Christmas Eve prompted air quality concerns.

Philadelphia has issued a Code Red alert due to declining air quality levels and officials are advising residents to stay inside if they can on Wednesday, June 7. A Code Red Fine Particles Action Day ...

Santa Anas are those desiccating winds that occur commonly in winter, blowing out of Nevada and Utah and into southwestern ...

A series of deadly wildfires in the greater Los Angeles area were still burning fiercely on Friday, decimating entire communities.

The storm has disrupted travel, bringing heavy snow, ice and wind to the eastern two-thirds of the US. Hundreds of flights have been canceled across airports in the Midwest, and officials in several ...

An Associated Press analysis of emergency communications shows that the first evacuation order covering neighborhoods closest ...

The quick-moving system that brought snow to the Philadelphia area has moved out, and now the real chill begins. After ...

The entire Delaware Valley will see snow Sunday, with 3-6 inches expected in Philadelphia before temperatures plummet Monday.

the Philadelphia Department of Public Health sent out a warning for residents Wednesday to stay inside. But after collecting air quality samples, city officials gave the all-clear Thursday ...