Wildfire haze blankets region ahead of heat wave
Smoke from Canadian wildfires again blanketed parts of Wisconsin on Monday, leading to familiar hazy skies. Air quality was worst Monday in Dane, Eau Claire, Grant, Jackson, Monroe and Sauk counties, where the AQI, or air quality index, is unhealthy for sensitive groups. Air quality should improve later in the week, but extreme heat was to make its way into the region as well. Hot and humid weather is expected to begin Wednesday, with much of the Midwest under an extreme heat watch. The National Weather Service is predicting dangerously hot conditions across most of Wisconsin, with ...