Technology Transfer Network / NAAQS
Ozone Implementation
Classified Ozone Nonattainment Areas Which Were Revoked Without Maintenance Plans
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
As of July 20, 2000
SERIOUS (1999) Boston-Lawrence-Worcester (E. MA), MA-NH Portsmouth-Dover-Rochester, NH Providence (All RI), RI MODERATE (1996) Atlantic City, NJ Knox & Lincoln Co.s, ME Lewiston-Auburn, ME Muskegon, MI Portland, ME Poughkeepsie, NY MARGINAL (1993) Albany-Schenectady-Troy, NY Allentown-Bethlehem-Easton, PA-NJ Altoona, PA Buffalo-Niagara Falls, NY Door Co, WI Erie, PA Essex Co, NY Harrisburg-Lebanon-Carlisle, PA Jefferson Co, NY Johnstown, PA Manchester, NH Reno, NV Scranton-Wilkes-Barre, PA Smyth Co, VA (White Top Mtn) Sussex Co, DE York, PA Youngstown-Warren-Sharon, PA portion This list does not include Section 185A or incomplete areas. Dates in parenthesis are when the ozone standard was to have been met.