"The wildfire smoke moving across the #OhioValley and #Midwest is very high up at the Jet Stream level or 30,000 feet.," the weather service said. "The smoke and haze is not at the ground level.

Pierce said he's tracking the smoke plumes using an SSEC model, which projects more smoke to move across Wisconsin Wednesday. Whether that smoke affects air quality depends on if any of the plumes ...

SIOUX CITY (KTIV) - This morning, we are still dealing with ground smoke from the Canadian ... The rest of the day, we are forecasting for the smoke to move out, making visibility and air quality ...