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.

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

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

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 ...

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 ...

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First Alert Weather: Smoke and haze will continue due to wildfire smoke from Canada. A slight chance of a shower on Tuesday.