| Nonattainment Area Name (alphabetical listing) |
| Allentown-Bethlehem-Easton, PA |
| Altoona, PA |
| Baltimore, MD |
| Berkeley & Jefferson, WV (EAC) |
| Charleston, WV |
| Clearfield and Indiana, PA |
| Erie, PA |
| Franklin Co, PA |
| Frederick Co, VA (EAC) |
| Fredericksburg, VA |
| Greene Co, PA |
| Harrisburg-Lebanon-Carlisle, PA |
| Huntington-Ashland- KY-WV |
| Johnstown, PA |
| Kent and Queen Anne's Co.'s, MD |
| Lancaster, PA |
| Madison and Page Co.'s (Shenandoah National Park),VA |
| Norfolk-Virginia Beach-Newport News (Hampton Roads) |
| Parkersburg-Marietta, OH-WV |
| Philadelphia - Wilmington, Atlantic City, PA-DE-MD |
| Pittsburgh-Beaver Valley, PA |
| Reading, PA |
| Richmond-Petersburg, VA |
| Roanoke, VA (EAC) |
| Scranton-Wilkes-Barre, PA |
| State College, PA |
| Steubenville-Weirton, OH-WV |
| Tioga Co, PA |
| Washington County, (Hagerstown), MD (EAC) |
| Washington, DC-MD-VA |
| Wheeling, OH-WV |
| York, PA |
| Youngstown-Warren-Sharon, OH-PA |
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