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

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 ...

Wisconsin's air quality Aug. 5 is improving from yesterday, but the DNR's alert is still at the Unhealthy for Sensitive ...

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

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 ...

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

How's the air quality in Milwaukee? As of 9:30 a.m. May 30, the air quality was still listed as "good," according to the Air Quality Index at airquality. wi.gov/home/map. Can I go outdoors?

The AQI is the EPA's index for reporting air quality, according to the EPA's AirNow website. It's divided into six categories on a scale of zero to 500, with higher numbers indicating increased ...