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.

A CONGRESSMAN FROM WISCONSIN WANTS PRESIDENT TRUMP TO USE THE THREAT OF TARIFFS TO FORCE CANADA TO MITIGATE ITS WILDFIRES ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

With nearly 70 large-scale wildfires burning more than 1 million acres across the western U.S. and parts of Canada, Wisconsin ...

Air quality concerns grip Wisconsin as Canadian wildfire smoke continues to affect the region. The air quality advisory was ...

The warning applies to York, Dauphin, Lebanon, Cumberland and Lancaster counties and the entire Susquehanna Valley region.

SULLIVAN, Wis. - Dangerous air lingers around across Southeast Wisconsin once again, with air quality expected to stay in an ...

Canadian wildfire smoke has affected Wisconsin all week, prompting multiple air quality alert extensions from the DNR.

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

Smoke from ongoing wildfires in Canada is impacting the air quality in states across the Midwest and Northeast of the U.S.

The Wisconsin Department of Natural Resources re-extended its air quality alert statewide as wildfire smoke lingers.