Protecting Oregon's Environment
Oregon State Seal
Oregon Department of Environmental Quality

Air Quality

Maintenance and Nonattainment Areas 

green envelope icon Sign up for e-mail updates on Air Quality Maintenance Plans

  Air Quality Home
  Air Quality Index
  Climate Change
    - Greenhouse Gas Reporting
  Regional Haze
  Vehicle Inspection Program

Nonattainment Areas 

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 (NAAQS). Legal descriptions of these areas are available in Oregon Administrative Rules, Chapter 340, Division 204-0010.

Current Nonattainment areas in Oregon


Klamath Falls

Oakridge PM2.5 Nonattainment Area

  • DEQ oversees the Oakridge PM2.5 Nonattainment Area, under the authority of the Lane Regional Air Protection Agency (LRAPA)


  • Oakridge Urban Growth Boundary (under authority of the LRAPA)
[print version]


For more information about Air Quality call 503-229-5359 or email.

Oregon Department of Environmental Quality
Headquarters: 811 SW Sixth Ave., Portland, OR 97204-1390
Phone: 503-229-5696 or toll free in Oregon 1-800-452-4011
Oregon Telecommunications Relay Service: 1-800-735-2900  FAX: 503-229-6124

The Oregon Department of Environmental Quality is a regulatory agency authorized to protect Oregon's environment by
the State of Oregon and the Environmental Protection Agency.

DEQ Web site privacy notice