Nonattainment means that a geographic area has not consistently met the clean
air levels set by the U.S. Environmental Protection Agency in the National
Ambient Air Quality Standards. Legal descriptions of these areas are
available in Oregon Administrative Rules, Chapter 340, Division 204-0010.
Current nonattainment areas in Oregon
Oakridge PM2.5 Nonattainment Area
DEQ oversees the Oakridge PM10 Nonattainment Area, under the authority of the Lane Regional Air Protection Agency