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Legend (OAR_OAQPS/NonattainmentAreas)

Ozone 8-hr (1997 standard) (0)
Maintenance (NAAQS revoked) Maintenance (NAAQS revoked)
Nonattainment (NAAQS revoked) Nonattainment (NAAQS revoked)
Ozone 8-hr (2008 standard) (1)
Maintenance Maintenance
Nonattainment Nonattainment
Ozone 8-hr (2015 Standard) (2)
Maintenance Maintenance
Nonattainment Nonattainment
Lead (2008 standard) (3)
Maintenance Maintenance
Nonattainment Nonattainment
SO2 1-hr (2010 standard) (4)
Maintenance Maintenance
Nonattainment Nonattainment
PM2.5 24hr (2006 standard) (5)
Maintenance Maintenance
Nonattainment Nonattainment
PM2.5 Annual (1997 standard) (6)
Maintenance (NAAQS revoked) Maintenance (NAAQS revoked)
Nonattainment Nonattainment
PM2.5 Annual (2012 standard) (7)
Maintenance Maintenance
Nonattainment Nonattainment
PM10 (1987 standard) (8)
Maintenance Maintenance
Nonattainment Nonattainment
CO (1990 Standard) (9)
Maintenance Maintenance
Nonattainment Nonattainment