Canadian wildfire smoke is still lingering across Michigan, causing hazy skies. Another air quality advisory has been issued.

Midwest and Northeast regions in the U.S. are seeing poor air quality from Canadian wildfires. See the map showing where the wildfires burn.

Millions in the U.S. face health threats as Canadian wildfire smoke causes air quality to plummet and triggers official advisories.

Wildfire smoke from Canada has traveled to West Michigan, leaving a smoky haze. Here's how to track it where you live: ...

A statewide air quality advisory remains in place for Aug. 5. Officials say wildfire smoke may dissipate by mid-week. Check ...

Forecasters say weak winds have left Canadian wildfire smoke to linger over the U.S. Stronger winds are expected to bring relief later in the week.