Air Quality

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

PM2.5

Klamath Falls 
Oakridge PM2.5 Nonattainment Area
 

PM10