This program shows the result of an empirical model for pollution over the midwestern portion of the United States. The Regional Oxidant Model (ROM) is an example of a non-linear code designed to examine the transport and deposition of airborne pollutants. The model is used in the development of control strategies for the Clean Air Act. ROM is designed to simulate most of the significant chemical and physical processes that are responsible for photochemical production of ozone over a 100 kilometer or larger domain for episodes of fifteen days in duration.
The ozone concentration will rise during the heat of the day and peak at rush hour in the Chicago area. The dynamics of the process is visible in the circulation of the ozone concentration.
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