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.
Tifton is 13 miles (21 km) to the north, and Adel, the Cook County seat, is 10 miles (16 km) to the south. According to the United States Census Bureau, Lenox has a total area of 1.6 square miles (4.2 km 2), of which 0.031 square miles (0.08 km 2), or 1.86%, is water.