LA Smog (The Movie) (0.7 MEGS) This is a visualization of a simulation done by the California Air Resources Board using the EPA's Urban Airshed Model. It shows the isosurfaces of ozone concentration for roughly an hour starting at 3pm on an average weekday. This kind of work is being used to identify high-emission regions and recommand abatement policies. The visualization was done by Dana Haukoos of the SDSC User Services Group. haukoos@sdsc.edu