{"data":{"id":"us/40-cfr-81.322","jurisdiction":"us","citation":"40 CFR 81.322","heading":"Massachusetts.","body":"Massachusetts—TSP\nDesignated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards\nBerkshire AQCR:\nAdams X\nNorth Adams X\nPittsfield X\nAll other cities and towns X\nCentral Massachusetts AQCR:\nWorcester X\nAthol X\nGardner X\nGrafton X\nLeominster X\nMillbury X\nShrewsbury X\nAll other cities and towns X\nMerrimack Valley AQCR:\nHaverhill X\nLawrence X\nAll other cities and towns X\nPioneer Valley AQCR:\nSpringfiled X\nChicopee X\nHolyoke X\nNorthampton X\nSouth Hadley X\nWest Springfiled X\nAll other cities and towns X\nSoutheastern Massachusetts AQCR:\nFall River X\nAttleboro X\nNew Bedford X\nTaunton X\nAll other cities and towns X\nMetropolitan Boston AQCR:\nTopsfield X\nWakefield X\nWalpole X\nWatertown X\nWayland X\nWellesley X\nWenham X\nWeston X\nWestwood X\nWeymouth X\nWinchester X\nWinthrop X\nBoston X\nDanvers X\nCambridge X\nFramingham X\nLynn X\nMarblehead X\nNorwood X\nMedford X\nPeabody X\nQuincy X\nRevere X\nSwampscott X\nWaltham X\nArlington X\nBelmont X\nBeverly X\nBraintree X\nBrockton X\nBrookline X\nCanton X\nChelsa X\nDedham X\nEverett X\nMalden X\nMarlborough X\nMelrose X\nMiddletown X\nMilton X\nNatick X\nNeedham X\nNewton X\nSalem X\nSaugus X\nSomerville X\nSouthborough X\nStoneham X\nAll other cities and towns X\nMassachusetts—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\nBoston and Milton X\nBelchertown, Granby, Ludlow, Palmer, South Hadley and Wilbraham X\nRemaining individual cities and towns 1 X\n1 Each city and town, with the exception of Boston and Milton and Belchertown, Granby, Ludlow, Palmer, South Hadley and Wilbraham as indicated above, is a separate Section 107 designated attainment area.\nMassachusetts—2010 Sulfur Dioxide NAAQS\n[Primary]\nDesignated area 1 Designation\nDate 2 Type\nStatewide:\nBarnstable County Attainment/Unclassifiable.\nBerkshire County Attainment/Unclassifiable.\nBristol County Attainment/Unclassifiable.\nDukes County Attainment/Unclassifiable.\nEssex County Attainment/Unclassifiable.\nFranklin County Attainment/Unclassifiable.\nHampden County Attainment/Unclassifiable.\nHampshire County Attainment/Unclassifiable.\nMiddlesex County Attainment/Unclassifiable.\nNantucket County Attainment/Unclassifiable.\nNorfolk County Attainment/Unclassifiable.\nPlymouth County Attainment/Unclassifiable.\nSuffolk County Attainment/Unclassifiable.\nWorcester 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.\nMassachusetts—Carbon Monoxide\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nBoston area:\nMiddlesex County (part) Cities of Cambridge, Everett, Malden, Medford, and Somerville 4/1/1996 Attainment\nNorfolk County (part) Quincy City 4/1/1996 Attainment\nSuffolk County (part) Cities of Boston, Chelsea, and Revere 4/1/1996 Attainment\nLowell area:\nMiddlesex County (part) Lowell City 4/22/2002 Attainment\nSpringfield area:\nHampden County (part) Springfield City 4/22/2002 Attainment\nWaltham area:\nMiddlesex County (part) Waltham City 4/22/2002 Attainment\nWorcester area:\nWorcester County (part) Worcester City 4/22/2002 Attainment\nAQCR 042 Hartford-New Haven-Springfield—All portions except Springfield City Unclassifiable/Attainment\nAQCR 117 Berkshire Interstate Unclassifiable/Attainment\nAQCR 118 Central Massachusetts Interstate—All portions except Worcester City Unclassifiable/Attainment\nAQCR 119 Metropolitan Boston Intrastate—All portions except cities of Boston, Cambridge, Chelsea, Everett, Malden, Medford, Quincy, Revere, and Waltham. Unclassifiable/Attainment\nAQCR 120 Metropolitan Providence Interstate Unclassifiable/Attainment\nAQCR 121 Merrimack Valley-S New Hampshire—All portions except Lowell City Unclassifiable/Attainment\n1 This date is November 15, 1990, unless otherwise noted.\nMassachusetts—Ozone (1-Hour Standard)3\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nBoston-Lawrence-Worcester (E. Mass) Area:\nBarnstable County (2) Nonattainment (2) Serious.\nBristol County (2) Nonattainment (2) Serious.\nDukes County (2) Nonattainment (2) Serious.\nEssex County (2) Nonattainment (2) Serious.\nMiddlesex County (2) Nonattainment (2) Serious.\nNantucket County (2) Nonattainment (2) Serious.\nNorfolk County (2) Nonattainment (2) Serious.\nPlymouth County (2) Nonattainment (2) Serious.\nSuffolk County (2) Nonattainment (2) Serious.\nWorcester County (2) Nonattainment (2) Serious.\nSpringfield (W. Mass) Area:\nBerkshire County Nonattainment Serious.\nFranklin County Nonattainment Serious.\nHampden County Nonattainment Serious.\nHampshire County Nonattainment Serious.\n1 This date is November 15, 1990, 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 Massachusetts.\nMassachusetts—1997 Annual PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nStatewide:\nBarnstable County Unclassifiable/Attainment.\nBerkshire County Unclassifiable/Attainment.\nBristol County Unclassifiable/Attainment.\nDukes County Unclassifiable/Attainment.\nEssex County Unclassifiable/Attainment.\nFranklin County Unclassifiable/Attainment.\nHampden County Unclassifiable/Attainment.\nHampshire County Unclassifiable/Attainment.\nMiddlesex County Unclassifiable/Attainment.\nNantucket County Unclassifiable/Attainment.\nNorfolk County Unclassifiable/Attainment.\nPlymouth County Unclassifiable/Attainment.\nSuffolk County Unclassifiable/Attainment.\nWorcester 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.\nMassachusetts—2012 Annual PM2.5 NAAQS\n[Primary]\nDesignated area 1 Designation Classification\nDate 2 Type Date 2 Type\nStatewide:\nBarnstable County Unclassifiable/Attainment\nBerkshire County Unclassifiable/Attainment\nBristol County Unclassifiable/Attainment\nDukes County Unclassifiable/Attainment\nEssex County Unclassifiable/Attainment\nFranklin County Unclassifiable/Attainment\nHampden County Unclassifiable/Attainment\nHampshire County Unclassifiable/Attainment\nMiddlesex County Unclassifiable/Attainment\nNantucket County Unclassifiable/Attainment\nNorfolk County Unclassifiable/Attainment\nPlymouth County Unclassifiable/Attainment\nSuffolk County Unclassifiable/Attainment\nWorcester 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.\nMassachusetts—1997 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nStatewide:\nBarnstable County Unclassifiable/Attainment.\nBerkshire County Unclassifiable/Attainment.\nBristol County Unclassifiable/Attainment.\nDukes County Unclassifiable/Attainment.\nEssex County Unclassifiable/Attainment.\nFranklin County Unclassifiable/Attainment.\nHampden County Unclassifiable/Attainment.\nHampshire County Unclassifiable/Attainment.\nMiddlesex County Unclassifiable/Attainment.\nNantucket County Unclassifiable/Attainment.\nNorfolk County Unclassifiable/Attainment.\nPlymouth County Unclassifiable/Attainment.\nSuffolk County Unclassifiable/Attainment.\nWorcester 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.\nMassachusetts—2006 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nStatewide:\nBarnstable County Unclassifiable/Attainment.\nBerkshire County Unclassifiable/Attainment.\nBristol County Unclassifiable/Attainment.\nDukes County Unclassifiable/Attainment.\nEssex County Unclassifiable/Attainment.\nFranklin County Unclassifiable/Attainment.\nHampden County Unclassifiable/Attainment.\nHampshire County Unclassifiable/Attainment.\nMiddlesex County Unclassifiable/Attainment.\nNantucket County Unclassifiable/Attainment.\nNorfolk County Unclassifiable/Attainment.\nPlymouth County Unclassifiable/Attainment.\nSuffolk County Unclassifiable/Attainment.\nWorcester 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.\nMassachusetts—NO2 (1971 Annual Standard)\nDesignated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standard\nEach Individual City and Town 1 X\n1 Each city and town is a separate Section 107 desginated Attainment Area.\nMassachusetts—NO2 (2010 1-Hour Standard)\nDesignated area Designation a\nDate 1 Type\nState of Massachusetts 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.\nMassachusetts—1997 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designation a Category/classification\nDate 1 Type Date 1 Type\nBoston-Lawrence-Worcester (E. Mass), MA:\nBarnstable County Nonattainment Subpart 2/Moderate.\nBristol County Nonattainment Subpart 2/Moderate.\nDukes County Nonattainment Subpart 2/Moderate.\nEssex County Nonattainment Subpart 2/Moderate.\nMiddlesex County Nonattainment Subpart 2/Moderate.\nNantucket County Nonattainment Subpart 2/Moderate.\nNorfolk County Nonattainment Subpart 2/Moderate.\nPlymouth County Nonattainment Subpart 2/Moderate.\nSuffolk County Nonattainment Subpart 2/Moderate.\nWorcester County Nonattainment Subpart 2/Moderate.\nSpringfield (W. Mass), MA:\nBerkshire County Nonattainment Subpart 2/Moderate.\nFranklin County Nonattainment Subpart 2/Moderate.\nHampden County Nonattainment Subpart 2/Moderate.\nHampshire County Nonattainment Subpart 2/Moderate.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is June 15, 2004, unless otherwise noted.\nMassachusetts—2008 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nDukes County, MA: 2 Nonattainment Marginal.\nDukes County Wampanoag Tribe of Gay Head (Aquinnah) of Massachusetts 3\nRest of State: 4\nBarnstable County Unclassifiable/Attainment\nBerkshire County Unclassifiable/Attainment\nBristol County Unclassifiable/Attainment\nEssex County Unclassifiable/Attainment\nFranklin County Unclassifiable/Attainment\nHampden County. Unclassifiable/Attainment\nHampshire County Unclassifiable/Attainment\nMiddlesex County Unclassifiable/Attainment\nNantucket County Unclassifiable/Attainment\nNorfolk County Unclassifiable/Attainment\nPlymouth County Unclassifiable/Attainment\nSuffolk County Unclassifiable/Attainment\nWorcester County Unclassifiable/Attainment\n1 This date is July 20, 2012, unless otherwise noted.\n2 Excludes Indian country located in each area, unless otherwise noted.\n3 Includes Indian country of the tribe listed in this table located in the identified area. Information pertaining to areas of Indian country in this table is intended for CAA planning purposes only and is not an EPA determination of Indian country status or any Indian country boundary. EPA lacks the authority to establish Indian country land status, and is making no determination of Indian country boundaries, in this table.\n4 Includes any Indian country in each county or area, unless otherwise specified.\nMassachusetts—2015 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area 1 Designation Classification\nDate 2 Type Date Type\nBarnstable County 1/16/2018 Attainment/Unclassifiable\nBerkshire County Attainment/Unclassifiable\nBristol County 1/16/2018 Attainment/Unclassifiable\nDukes County 1/16/2018 Attainment/Unclassifiable\nEssex County 1/16/2018 Attainment/Unclassifiable\nFranklin County 1/16/2018 Attainment/Unclassifiable\nHampden County Attainment/Unclassifiable\nHampshire County 1/16/2018 Attainment/Unclassifiable\nMiddlesex County 1/16/2018 Attainment/Unclassifiable\nNantucket County 1/16/2018 Attainment/Unclassifiable\nNorfolk County 1/16/2018 Attainment/Unclassifiable\nPlymouth County 1/16/2018 Attainment/Unclassifiable\nSuffolk County 1/16/2018 Attainment/Unclassifiable\nWorcester 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 August 3, 2018, unless otherwise noted.\nMassachusetts—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":"8ab3fcb934f098664668f1801d6449e5d6833b74dcb59d26b4376773ba67c236","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.321","next":"us/40-cfr-81.323"},"notice":"GroundRules: Original legal text. Not legal advice."}