Code Yellow Air Quality or moderate level for particle pollution are forecast for Thursday and Friday. This may cause health symptoms for groups of people in the unusually sensitive category.

States across the U.S. are feeling the impact of the Canadian wildfires as air quality takes a hit from the smoke, according ...

As smoke begins to dissipate, Michigan's statewide advisories have ended, though some remain for Upper Peninsula and northern ...

Smoke from wildfires in Canada continue to impact air quality in the northern United States, even in the New York City metro ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states from Wisconsin to Maine.

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

There have been few fires in Quebec's forests this year, but large fires in the Prairies are still raging — and the province ...

Large wildfires in remote regions of Canada sent smoke billowing across the border, inundating northern New England with ...

Rapidly growing wildfires in several provinces forced thousands of people from their homes and prompted air-quality warnings ...

An air quality warning is in effect as smoke from wildfires in Manitoba and Saskatchewan blankets much of Nunavut’s Kivalliq ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states from Wisconsin to Maine.

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