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 ...

Air quality alerts are in effect in the Philadelphia area, fueled by smoke from wildfires that are burning thousands of miles ...

PHILADELPHIA (WPVI) -- Smoke particles from Canadian wildfires are causing air quality concerns in the Philadelphia region on ...

Smoke from wildfires burning across Canada are bringing hazy conditions to the area, and all of eastern Pennsylvania is under ...

When combined with the Philly area’s warm, sunny weather, the incoming smoke stands to increase levels of ozone, the ...

The heat and humidity mixed with smoke resulted in a "code orange" alert for Philly and its suburban counties.

The smoke trail was so massive it could be seen on the horizon Friday morning from Chopper 6 HD over Center City Philadelphia, some 60 miles away.

PHILADELPHIA - Philadelphia fire officials confirmed Wednesday morning that the Philadelphia Housing Authority rowhome that caught fire, killing 12 people, did not have operational smoke detectors ...