Technology Transfer Network / NAAQS
Ozone Implementation
State/Area/County Report
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.
CALIFORNIA(Region IX)
Chico, CA (Section 185A)
Butte Co
Yuba City, CA (Section 185A)
Sutter Co (P)
Northern portion
Yuba Co
COLORADO(Region VIII)
Denver-Boulder, CO (Section 185A)
Adams Co (P)
West of Kiowa Creek
Arapahoe Co (P)
West of Kiowa Creek
Boulder Co (P)
Excluding Rocky Mtn. National Park
Denver Co
Douglas Co
Jefferson Co
DELAWARE(Region III)
Sussex Co, DE (Marginal)
Sussex Co
MAINE(Region I)
Knox & Lincoln Co.s, ME (Moderate*)
Knox Co
Lincoln Co
Lewiston-Auburn, ME (Moderate*)
Androscoggin Co
Kennebec Co
Portland, ME (Moderate)
Cumberland Co
Sagadahoc Co
York Co
MASSACHUSETTS(Region I)
Boston-Lawrence-Worcester (E. MA), MA-NH (Serious)
Barnstable Co
Bristol Co
Dukes Co
Essex Co
Middlesex Co
Nantucket Co
Norfolk Co
Plymouth Co
Suffolk Co
Worcester Co
MICHIGAN(Region V)
Flint, MI (Section 185A)
Genesee Co
Muskegon, MI (Moderate)
Muskegon Co
Allegan Co, MI (Incomplete Data)
Allegan Co
Saginaw-Bay City-Midland, MI (Incomplete Data)
Bay Co
Midland Co
Saginaw Co
NEVADA(Region IX)
Reno, NV (Marginal)
Washoe Co
NEW HAMPSHIRE(Region I)
Boston-Lawrence-Worcester (E. MA), MA-NH (Serious)
Hillsborough Co (P)
Pelham town
Amherst town
Brookline town
Hollis town
Hudson town
Litchfield town
Merrimack town
Milford town
Mont Vernon town
Nashua city
Wilton town
Rockingham Co (P)
Atkinson town
Brentwood town
Danville town
Derry town
E. Kingston town
Hampstead town
Hampton Falls town
Kensington town
Kingston town
Londonderry town
Newton town
Plaistow town
Salem town
Sandown town
Seabrook town
South Hampton town
Windham town
Manchester, NH (Marginal)
Hillsborough Co (P)
Antrim town
Bedford town
Bennington town
Deering town
Francestown town
Goffstown town
Greenfield town
Greenville town
Hancock town
Hillsborough town
Lyndeborough town
Manchester city
Mason town
New Boston town
New Ipswich town
Peterborough town
Sharon town
Temple town
Weare town
Windsor town
Merrimack Co
Rockingham Co (P)
Auburn town
Candia town
Chester town
Deerfield town
Epping town
Fremont town
Northwood town
Nottingham town
Raymond town
Portsmouth-Dover-Rochester, NH (Serious)
Rockingham Co (P)
Exeter town
Greenland town
Hampton town
New Castle town
Newfields town
Newington town
Newmarket town
North Hampton town
Portsmouth city
Rye town
Stratham town
Strafford Co
Cheshire Co, NH (Incomplete Data)
Cheshire Co
NEW JERSEY(Region II)
Allentown-Bethlehem-Easton, PA-NJ (Marginal)
Warren Co
Atlantic City, NJ (Moderate)
Atlantic Co
Cape May Co
NEW YORK(Region II)
Albany-Schenectady-Troy, NY (Marginal)
Albany Co
Greene Co
Montgomery Co
Rensselaer Co
Saratoga Co
Schenectady Co
Buffalo-Niagara Falls, NY (Marginal)
Erie Co
Niagara Co
Essex Co, NY (Marginal RT)
Essex Co (P)
The portion of Whiteface Mountain above 4,500 feet in elevation in
Essex County
Jefferson Co, NY (Marginal*)
Jefferson Co
Poughkeepsie, NY (Moderate)
Dutchess Co
Orange Co (P)
Remainder of County
Putnam Co
OREGON(Region X)
Salem, OR (Incomplete Data)
Marion Co (P)
Salem Area Transportation Study
Polk Co (P)
Salem Area Transportation Study
PENNSYLVANIA(Region III)
Allentown-Bethlehem-Easton, PA-NJ (Marginal)
Carbon Co
Lehigh Co
Northampton Co
Altoona, PA (Marginal)
Blair Co
Erie, PA (Marginal)
Erie Co
Harrisburg-Lebanon-Carlisle, PA (Marginal)
Cumberland Co
Dauphin Co
Lebanon Co
Perry Co
Johnstown, PA (Marginal)
Cambria Co
Somerset Co
Scranton-Wilkes-Barre, PA (Marginal)
Columbia Co
Lackawanna Co
Luzerne Co
Monroe Co
Wyoming Co
York, PA (Marginal)
Adams Co
York Co
Youngstown-Warren-Sharon, PA portion (Marginal)
Mercer Co
Crawford Co, PA (Incomplete Data)
Crawford Co
Franklin Co, PA (Incomplete Data)
Franklin Co
Greene Co, PA (Incomplete Data)
Greene Co
Juniata Co, PA (Incomplete Data)
Juniata Co
Lawrence Co, PA (Incomplete Data)
Lawrence Co
Northumberland Co, PA (Incomplete Data)
Northumberland Co
Pike Co, PA (Incomplete Data)
Pike Co
Schuylkill Co, PA (Incomplete Data)
Schuylkill Co
Snyder Co, PA (Incomplete Data)
Snyder Co
Susquehanna Co, PA (Incomplete Data)
Susquehanna Co
Warren Co, PA (Incomplete Data)
Warren Co
Wayne Co, PA (Incomplete Data)
Wayne Co
RHODE ISLAND(Region I)
Providence (All RI), RI (Serious)
Bristol Co
Kent Co
Newport Co
Providence Co
Washington Co
VIRGINIA(Region III)
Smyth Co, VA (White Top Mtn) (Marginal RT)
Smyth Co (P)
The portion of White Top Mountain above 4,500 feet elevation in Smyth
county
WISCONSIN(Region V)
Door Co, WI (Marginal RT)
Door Co
Notes:
(P) : A portion of the county is located within the area and is designated
nonattainment.
* : 5% classification change Sec. 181.(a)(3)