An Air Pollution Action Day was called Wednesday morning for the Chicago area and is in effect until midnight, weather officials said.

The smell of fire filled the air as thick smoke from wildfires in Canada blanketed part of the Midwest and created hazardous air quality on Tuesday.

As smoke and haze continue to linger from wildfires in Canada, the Wisconsin DNR has extended the Air Quality Advisory another day for most of eastern Wisconsin. The advisory extension now lasts until Friday,