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

Though wildfire smoke was to blame for poor air quality earlier in the week, Wednesday and Thursday's alerts are due to high ...

Though wildfire smoke was to credit for poor air quality earlier in the week, Wednesday's alert is due to high-levels of ...

The Wisconsin Department of Natural Resources removed the western portion of the state from its latest air quality alert ...

An air quality alert was issued by the National Weather Service in Milwaukee-Sullivan at 1:53 p.m. on Friday, Aug. 8.

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

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

Southeast Wisconsin is continuing to see the effects of the wildfire smoke from Canada. “Worsening of the air quality index is something we’re seeing more often,” Medical ...

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.

The Midwest saw some of the worst air quality conditions in the world Thursday, and similar conditions are expected to persist for several days.

The thick plumes of smoke in Canada are being driven southward into the U.S. by northerly winds on the backside of an area of high pressure.

Smoke from Canadian wildfires continued to degrade the air quality across several US states, including New York, Michigan, and Vermont.