The air quality in several U.S. states is taking a hit as smoke floats over the border from the Canadian wildfires. Here's what to know.

Temperatures are climbing into the 80s this week, with highs expected to hit 90° by the weekend. Wildfire smoke will continue ...

We’re still dealing with poor air quality due to lingering Canadian wildfire smoke; we’re tracking the possibility of extreme heat at the end of the week ...

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

The Wisconsin DNR monitors air quality, which in the case of Sheboygan County is done from Plymouth – and that reading was ...

While an air quality alert continues for parts of the Midwest due to smoke from Canadian wildfires, northeastern Illinois was ...

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Smoke and hazy will continue on Tuesday. More heat and summer-like humidity arrives o Wednesday. Isolated showers on Tuesday ...

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

Almost 200 wildfires are burning out of control in Canada, including 81 in Saskatchewan, 159 in Manitoba and 61 in Ontario.

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

Today was a decent day with warm but not humid air. Most of Western Wisconsin remained dry, too, though there were a few ...