{"data":{"id":"us/40-cfr-81.330","jurisdiction":"us","citation":"40 CFR 81.330","heading":"New Hampshire.","body":"New Hampshire—TSP\nDesignated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standard\nMetro Keene X\nMetro Manchester X\nRemainder of New Hampshire's Portion of So. N.H.M.V. AQCR 121 X\nCentral NH Interstate AQCR 149 X\nMetro Berlin X\nRemainder of New Hampshire's portion of Androscoggin Valley Interstate ACQR 107 X\nNew Hampshire—1971 Sulfur Dioxide NAAQS\n[Primary and Secondary]\nDesignated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards\nN.H. portion of Merrimack Valley So. N.H. Interstate AQCR 121 X\nCentral N.H. Intrastate AQCR 149 X\nN.H. portion of Androscoggin Valley Interstate AQCR 107 X\nNew Hampshire—2010 Sulfur Dioxide NAAQS\n[Primary]\nDesignated area 1 Designation\nDate 2 Type\nCentral New Hampshire, NH September 20, 2019 Attainment.\nHillsborough County (part).\nGoffstown Town.\nMerrimack County (part).\nAllenstown Town, Bow Town, Chichester Town, Dunbarton Town, Epsom Town, Hooksett Town, Loudon Town, Pembroke Town, Pittsfield Town, City of Concord.\nRockingham County (part).\nCandia Town, Deerfield Town, Northwood Town.\nRest of State:\nBelknap County Attainment/Unclassifiable.\nCarroll County Attainment/Unclassifiable.\nCheshire County Attainment/Unclassifiable.\nCoos County Attainment/Unclassifiable.\nGrafton County Attainment/Unclassifiable.\nHillsborough County (part) Attainment/Unclassifiable.\nAmherst Town, Antrim Town, Bedford Town, Bennington Town, Brookline Town, Deering Town, Francestown Town, Greenfield Town, Greenville Town, Hancock Town, Hillsborough Town, Hollis Town, Hudson Town, Litchfield Town, Lyndeborough Town, City of Manchester, Mason Town, Merrimack Town, Milford Town, Mont Vernon Town, City of Nashua, New Boston Town, New Ipswich Town, Pelham Town, Peterborough Town, Sharon Town, Temple Town, Weare Town, Wilton Town, Windsor Town\nMerrimack County (part) Attainment/Unclassifiable.\nAndover Town, Boscawen Town, Bradford Town, Canterbury Town, Danbury Town, City of Franklin, Henniker Town, Hill Town, Hopkinton Town, New London Town, Newbury Town, Northfield Town, Salisbury Town, Sutton Town, Warner Town, Webster Town, Wilmot Town\nRockingham County (part) Attainment/Unclassifiable.\nAtkinson Town, Auburn Town, Brentwood Town, Chester Town, Danville Town, Derry Town, East Kingston Town, Epping Town, Exeter Town, Fremont Town, Greenland Town, Hampstead Town, Hampton Town, Hampton Falls Town, Kensington Town, Kingston Town, Londonderry Town, New Castle Town, Newfields Town, Newington Town, Newmarket Town, Newton Town, North Hampton Town, Nottingham Town, Plainstow Town, City of Portsmouth, Raymond Town, Rye Town, Salem Town, Sandown Town, Seabrook Town, South Hampton Town, Stratham Town, Windham Town\nStrafford County Attainment/Unclassifiable.\nSullivan County Attainment/Unclassifiable.\n1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.\n2 This date is April 9, 2018, unless otherwise noted.\nNew Hampshire—Carbon Monoxide\nDesignated area: Designation Classification\nDate Type Date Type\nManchester Area:\nHillsborough County (part), City of Manchester 1-29-01 Attainment\nNashua Area:\nHillsborough County (part), City of Nashua 1-29-01 Attainment\nAQCR 107 Androscoggin Valley Interstate Unclassifiable/Attainment\nCoos County\nAQCR 121 Merrimack Valley-S NH Interstate Unclassifiable/Attainment\nBelknap County\nCheshire County\nHillsborough County (part), Area outside of Nashua and Manchester\nMerrimack County\nRockingham County\nStratford County\nSullivan County\nAQCR 149 Central New Hampshire Intrastate Unclassifiable/Attainment\nCarroll County\nGrafton County\nNew Hampshire—Ozone (1-Hour Standard)3\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nBelknap County Area:\nBelknap County Unclassifiable/Attainment\nBoston-Lawrence-Worcester Area:\nHillsborough County (part) (1) Nonattainment (2) Serious.\nPelham Town, Amherst Town, Brookline Town, Hollis Town, Hudson Town, Litchfield Town, Merrimack Town, Milford Town, Mont Vernon Town, Nashua City Wilton Town.\nRockingham County (part)\nAtkinson 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. (2) Nonattainment (2) Serious.\nCheshire County Area:\nCheshire County (2) Nonattainment (2) Incomplete Data.\nManchester Area:\nHillsborough County (part) (2) Nonattainment (2) Marginal.\nAntrim 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, Petersborough Town, Sharon Town, Temple town, Weare Town, Windsor Town.\nMerrimack County (2) Nonattainment (2) Marginal.\nRockingham County (part) (2) Nonattainment (2) Marginal.\nAuburn Town, Candia Town, Chester Town, Deerfield Town, Epping Town, Fremont Town, Northwood Town, Nottingham Town, Raymond Town.\nPortsmouth-Dover-Rochester Area:\nRockingham County (part) (2) Nonattainment (2) Serious.\nExeter Town, Greenland Town, Hampton Town, New Castle Town, Newfields Town, Newington Town, Newmarket Town, North Hampton Town, Portsmouth city, Rye Town, Stratham Town.\nStrafford County (2) Nonattainment (2) Serious.\nSullivan County Area:\nSullivan County Unclassifiable/Attainment\nAQCR 107 Androscoggin Valley Interstate:\nCoos County Unclassifiable/Attainment\nAQCR 149 Central New Hampshire Interstate:\nCarroll County Unclassifiable/Attainment\nGrafton County Unclassifiable/Attainment\n1 This date is October 18, 2000 unless otherwise noted.\n2 This date is January 16, 2001.\n3 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in New Hampshire.\nNew Hampshire—1997 Annual PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nStatewide:\nBelknap County Unclassifiable/Attainment.\nCarroll County Unclassifiable/Attainment.\nCheshire County Unclassifiable/Attainment.\nCoos County Unclassifiable/Attainment.\nGrafton County Unclassifiable/Attainment.\nHillsborough County Unclassifiable/Attainment.\nMerrimack County Unclassifiable/Attainment.\nRockingham County Unclassifiable/Attainment.\nStrafford County Unclassifiable/Attainment.\nSullivan County Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is 90 days after January 5, 2005, unless otherwise noted.\nNew Hampshire—2012 Annual PM2.5 NAAQS\n[Primary]\nDesignated area 1 Designation Classification\nDate 2 Type Date 2 Type\nStatewide:\nBelknap County Unclassifiable/Attainment\nCarroll County Unclassifiable/Attainment\nCheshire County Unclassifiable/Attainment\nCoos County Unclassifiable/Attainment\nGrafton County Unclassifiable/Attainment\nHillsborough County Unclassifiable/Attainment\nMerrimack County Unclassifiable/Attainment\nRockingham County Unclassifiable/Attainment\nStrafford County Unclassifiable/Attainment\nSullivan County Unclassifiable/Attainment\n1 Includes areas of Indian country located in each county or area, except as otherwise specified.\n2 This date is April 15, 2015, unless otherwise noted.\nNew Hampshire—1997 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nStatewide:\nBelknap County Unclassifiable/Attainment.\nCarroll County Unclassifiable/Attainment.\nCheshire County Unclassifiable/Attainment.\nCoos County Unclassifiable/Attainment.\nGrafton County Unclassifiable/Attainment.\nHillsborough County Unclassifiable/Attainment.\nMerrimack County Unclassifiable/Attainment.\nRockingham County Unclassifiable/Attainment.\nStrafford County Unclassifiable/Attainment.\nSullivan County Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is 90 days after January 5, 2005, unless otherwise noted.\nNew Hampshire—2006 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nStatewide:\nBelknap County Unclassifiable/Attainment.\nCarroll County Unclassifiable/Attainment.\nCheshire County Unclassifiable/Attainment.\nCoos County Unclassifiable/Attainment.\nGrafton County Unclassifiable/Attainment.\nHillsborough County Unclassifiable/Attainment.\nMerrimack County Unclassifiable/Attainment.\nRockingham County Unclassifiable/Attainment.\nStrafford County Unclassifiable/Attainment.\nSullivan County Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is 30 days after November 13, 2009, unless otherwise noted.\nNew Hampshire—NO2 (1971 Annual Standard)\nDesignated area Does not meet primary standards Cannot be classified or better than national standards\nStatewide X\nNew Hampshire—NO2 (2010 1-Hour Standard)\nDesignated area Designation a\nDate 1 Type\nState of New Hampshire Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is 90 days after October 31, 2011, unless otherwise noted.\nNew Hampshire—1997 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designated a Category/classification\nDate 1 Type Date 1 Type\nBoston-Manchester-Portsmouth (SE), NH:\nHillsborough County (part) Amherst Town, Bedford Town, Brookline Town, Goffstown Town, Hollis Town, Hudson Town, Litchfield Town, Manchester City, Merrimack Town, Milford Town, Nashua City, Pelham Town 3/4/2013 Attainment\nMerrimack County (part) Hooksett Town 3/4/2013 Attainment\nRockingham County (part) Atkinson Town, Auburn Town, Brentwood Town, Candia Town, Chester Town, Danville Town, Derry Town, E. Kingston Town, Epping Town, Exeter Town, Fremont Town, Greenland Town, Hampstead Town, Hampton Town, Hampton Falls Town, Kensington Town, Kingston Town, Londonderry Town, New Castle Town, Newfields Town, Newington Town, Newmarket Town, Newton Town, North Hampton Town, Plaistow Town, Portsmouth City, Raymond Town, Rye Town, Salem Town, Sandown Town, Seabrook Town, South Hampton Town, Stratham Town, Windham Town 3/4/2013 Attainment\nStrafford County (part) Dover City, Durham Town, Rochester City, Rollinsford Town, and Somersworth City 3/4/2013 Attainment\nDover City, Durham Town, Rochester City, Rollinsford Town, and Somersworth City\nRest of State: Unclassifiable/Attainment\nBelknap County\nCarroll County\nCheshire County\nCoos County\nGrafton County\nHillsborough County (part) remainder\nMerrimack County (part) remainder\nRockingham County (part) remainder\nStrafford County (part) remainder\nSullivan County\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is June 15, 2004, unless otherwise noted.\nNew Hampshire—2008 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nStatewide: 2 Unclassifiable/Attainment\nBelknap County\nCarroll County\nCheshire County\nCoos County\nGrafton County\nHillsborough County\nMerrimack County\nRockingham County\nStrafford County\nSullivan County\n1 This date is July 20, 2012, unless otherwise noted.\n2 Includes any Indian country in each county or area, unless otherwise specified.\nNew Hampshire—2015 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area 1 Designation Classification\nDate 2 Type Date Type\nStatewide Attainment/Unclassifiable\nBelknap County\nCarroll County\nCheshire County\nCoos County\nGrafton County\nHillsborough County\nMerrimack County\nRockingham County\nStrafford County\nSullivan County\n1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.\n2 This date is January 16, 2018, unless otherwise noted.\nNew Hampshire—2008 Lead NAAQS\nDesignated area Designation for the 2008 NAAQS a\nDate 1 Type\nWhole State Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 December 31, 2011 unless otherwise noted.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES","Subpart C—Section 107 Attainment Status Designations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"0996c3530aa73d6ed1a54dee236b4491b329314649d16dbee1396183efd85d91","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.329","next":"us/40-cfr-81.331"},"notice":"GroundRules: Original legal text. Not legal advice."}