An air quality alert is in effect until midnight Thursday for the Chicago area as Canadian wildfires continue, officials said.
The Illinois Environmental Protection Agency declared an Air Pollution Action Day because widespread ozone and or particulate levels are expected to be at or above the unhealthy for sensitive groups category.
Officials said wildfire smoke is expected to continue to effect those levels Thursday and Friday, officials said.
Current morning conditions at O”hare International Airport is mostly cloudy with haze at 60 degrees. At Midway Airport are fog and mist at 61 degrees.
Thursday, highs in the upper 50s is expected.