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

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

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

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

Tuesday stays warm and dry, with highs near 90 and a bit more humidity under partly cloudy skies in the Philadelphia region.

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

Expect hazy skies with reduced air quality in the Philadelphia region as smoke from Canadian wildfires is in our area. There ...

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

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

Philadelphia is experiencing its worst air quality in at least 24 years as the noxious haze from the Canadian wildfires blanketing the East Coast this week has caused “hazardous” air quality ...

Canadian officials say it is the nation’s worst wildfire season ever and they expect air quality to remain a concern through the summer, as long as the fires continue.

The Canadian Interagency Forest Fire Centre reported Monday that 76,129 square kilometers (29,393 square miles) of land including forests has burned across Canada since Jan. 1.