Key Concepts. Photochemical smog is a type of air pollution produced when sunlight acts upon motor vehicle exhaust gases to form harmful substances such as ozone (O. Photochemical smog formation requires the following conditions: 1  a still, sunny day. 2  temperature inversion (pollutants accumulate in the lower inversion layer).
Chebanse, Illinois. Chebanse is a village in Iroquois and Kankakee counties in the U.S. state of Illinois. The population was 1,148 at the 2000 census, and 1,088 in 2009. The Kankakee County portion of Chebanse is included in the Kankakee-Bradley, Illinois Metropolitan Statistical Area. Contents.
People in group quarters in Clinton County, Illinois in 2000: 1,530 people in state prisons; 380 people in nursing homes; 329 people in schools, hospitals, or wards for the mentally retarded; 33 people in local jails and other confinement facilities (including police lockups) 33 people in other nonhousehold living situations