Legend (OAR_OAQPS/NAA1979Ozone1hour)

Ozone 1979 NAAQS NAA State Level (0) Maintenance (NAAQS revoked) Nonattainment (NAAQS revoked) Ozone 1979 NAAQS NAA National Level (1) Maintenance (NAAQS revoked) Nonattainment (NAAQS revoked)