As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts across the U.S.

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

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

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

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

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

Canadian wildfire smoke will lend a hazy appearance to the sky, and high clouds will blanket much of the region, filtering the sun and slightly limiting Tuesday afternoon warmth. The smoke will likely ...

A Code Orange air quality alert is in place for southeastern Pennsylvania on Tuesday, Aug. 5, 2025, due to Canadian wildfire ...

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

An osprey caught a fish but got tired in the heat and dropped it onto power lines, sparking a brush fire in western Canada — at least that's what firefighters believe. Or maybe the bird is an aspiring ...

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