The Sheriff’s Office added that the pilot was the only person aboard the aircraft and was taken to the hospital to be treated for serious injuries.
Six months after ISP completed its investigation, prosecutors have yet to issue a ruling.
3 Illinois airports rely on federal subsidies for commercial air routes.
The National Weather Service said a lingering high pressure system has trapped the smoke close to the ground.
In the Chicago area, air quality ranged from very unhealthy to hazardous.
The federal warnings to consumers did not identify the company, but a federal official who was briefed on the investigation and not authorized to discuss it told The Associated Press it was Taylor Farms of Salinas, California.
The Illinois SERVE Act models federal law by requiring public and private colleges to accommodate academic military leave when students are called to service.
The bill means auto insurance rate hikes will be challenged before being approved.