Last week, Canadian wildfire smoke blanketed Wisconsin and caused the Air Quality Index to reach the unhealthy level for sensitive groups. Six days later, on July 31, the smoke appears to have a worse ...

Here's why the Canadian wildfire smoke is returning to the state and what to know about the latest air quality advisory.

The true problem is the world’s climate is warming. Canadian forests are burning because they’ve been subjected to years of ...

Rep. Calvin Callahan joined lawmakers from Iowa, Minnesota and North Dakota in filing a formal complaint against Canada over ...

Air quality concerns grip Wisconsin as Canadian wildfire smoke continues to affect the region. The air quality advisory was extended from Monday until Tuesday at noon. A combination of jet stream ...

It's time for change. Wisconsin could face the real possibility of being flanked by the effects of wildfires from both the ...

Concentrated levels of smoke near the surface will be unhealthy for sensitive groups but can also reach unhealthy levels for everyone from Saturday night into Sunday.

With Canadian wildfires seemingly out of control, states from Wisconsin to Maine and as far south as Pennsylvania and ...

A group of lawmakers, including Rep. Calvin Callahan of Tomahawk, is filing a formal complaint against Canada.

Although conditions have improved in neighboring states, Canadian wildfire smoke will continue to impact Wisconsin's surface ...

Smoke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...