This map shows the boundaries of the designated Imperial County, CA 2012 PM2.5 nonattainment area. It includes the boundaries of any associated 2006 and 1997 PM2.5 nonattainment/maintenance areas, as well as any associated MPOs. The map is intended to depict how the boundaries of the 2012, 2006 and 1997 PM2.5 areas and the MPO planning area relate to each other.
Imperial County, CA 2012 PM2.5 Nonattainment Area
Imperial County, CA 2006 PM2.5 Area
Southern California Association of Governments
