This map shows the boundaries of the designated Liberty-Clairton, PA 2006 PM2.5 nonattainment area. It includes the boundaries of any associated 1997 PM2.5 nonattainment/maintenance areas, as well as any associated MPOs. The map is intended to depict the extent of 2006 PM2.5 nonattainment in this area, and how the boundaries of the 2006 and 1997 PM2.5 areas and the MPO planning area relate to each other.
Liberty-Clairton, PA 2006 PM2.5 Nonattainment Area
Liberty-Clairton, PA 1997 PM2.5 Nonattainment Area
Southwestern Pennsylvania Commission