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South Carolina Whole or Part County Nonattainment Status by Year Since 1992 for all Criteria PollutantsData is current as of February 28, 2023
Listed by State, County, NAAQS (W=Whole County,P=Partial County designated nonattainment as of report date)
The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on June 15, 2005.
The 1997 Primary Annual PM-2.5 NAAQS (level of 15 µg/m3) is revoked in attainment and maintenance areas for that NAAQS. For additional information see the PM-2.5 NAAQS SIP Requirements Final Rule, effective October 24, 2016. (81 FR 58009) Important Notes Download National Dataset: dbf | xls | Data dictionary (PDF)
|Cherokee Co||1-Hour Ozone (1979)-NAAQS revoked||W|
|York Co||8-Hour Ozone (1997)-NAAQS revoked||P||P||P||P||P||P||P||P|
|York Co||8-Hour Ozone (2008)||P||P||P||P|