{"data":{"id":"us/40-cfr-81.346","jurisdiction":"us","citation":"40 CFR 81.346","heading":"Vermont.","body":"Vermont—TSP\nDesignated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standard\nChamplain Valley Air Management Area: Essex Town (includes Essex Junction), Burlington City, South Burlington City, Winoski City X\nCentral Vermont Air Management area: Barre City X\nRemainder of State X\nVermont—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\nAQCR 159 (Vermont portion) X\nAQCR 221 (Vermont portion) X\nVermont—2010 Sulfur Dioxide NAAQS\n[Primary]\nDesignated area 1 Designation\nDate 2 Type\nStatewide:\nAddison Attainment/Unclassifiable.\nBennington Attainment/Unclassifiable.\nCaledonia Attainment/Unclassifiable.\nChittenden Attainment/Unclassifiable.\nEssex Attainment/Unclassifiable.\nFranklin Attainment/Unclassifiable.\nGrand Isle Attainment/Unclassifiable.\nLamoille Attainment/Unclassifiable.\nOrange Attainment/Unclassifiable.\nOrleans Attainment/Unclassifiable.\nRutland Attainment/Unclassifiable.\nWashington Attainment/Unclassifiable.\nWindham Attainment/Unclassifiable.\nWindsor 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.\nVermont—Carbon Monoxide\nDesignated Area Designation Classification\nDate 1 Type Date 1 Type\nStatewide Unclassifiable/Attainment\nAddison County\nBennington County\nCaledonia County\nChittenden County\nEssex County\nFranklin County\nGrand Isle County\nLamoille County\nOrange County\nOrleans County\nRutland County\nWashington County\nWindham County\nWindsor County\n1 This date is November 15, 1990, unless otherwise noted.\nVermont—Ozone (1-Hour Standard)2\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nAQCR 159 Champlain Calley Interstate (part)\nAddison County Unclassifiable Unclassifiable/Attainment\nChittenden County Unclassifiable/Attainment\nAQCR 159 Champlain Calley Interstate (Remainder of) Unclassifiable/Attainment\nFranklin County\nGrand Isle County\nRutland County\nAQCR 221 Vermont Intrastate (part) Unclassifiable/Attainment\nWindsor County\nAQCR 221 Vermont Intrastate (Remainder of) Unclassifiable/Attainment\nBennington County\nCaledonia County\nEssex County\nLamoille County\nOrange County\nOrleans County\nWashington County\nWindham County\n1 This date is October 18, 2000, unless otherwise noted.\n2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Vermont.\nVermont—1997 Annual PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nStatewide:\nAddison County Unclassifiable/Attainment.\nBennington County Unclassifiable/Attainment.\nCaledonia County Unclassifiable/Attainment.\nChittenden County Unclassifiable/Attainment.\nEssex County Unclassifiable/Attainment.\nFranklin County Unclassifiable/Attainment.\nGrand Isle County Unclassifiable/Attainment.\nLamoille County Unclassifiable/Attainment.\nOrange County Unclassifiable/Attainment.\nOrleans County Unclassifiable/Attainment.\nRutland County Unclassifiable/Attainment.\nWashington County Unclassifiable/Attainment.\nWindham County Unclassifiable/Attainment.\nWindsor 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.\nVermont—2012 Annual PM2.5 NAAQS\n[Primary]\nDesignated area 1 Designation Classification\nDate 2 Type Date 2 Type\nStatewide:\nAddison County Unclassifiable/Attainment\nBennington County Unclassifiable/Attainment\nCaledonia County Unclassifiable/Attainment\nChittenden County Unclassifiable/Attainment\nEssex County Unclassifiable/Attainment\nFranklin County Unclassifiable/Attainment\nGrand Isle County Unclassifiable/Attainment\nLamoille County Unclassifiable/Attainment\nOrange County Unclassifiable/Attainment\nOrleans County Unclassifiable/Attainment\nRutland County Unclassifiable/Attainment\nWashington County Unclassifiable/Attainment\nWindham County Unclassifiable/Attainment\nWindsor 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.\nVermont—1997 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nStatewide:\nAddison County Unclassifiable Attainment\nBennington County Unclassifiable Attainment\nCaledonia County Unclassifiable Attainment\nChittenden County Unclassifiable Attainment\nEssex County Unclassifiable Attainment\nFranklin County Unclassifiable Attainment\nGrand Isle County Unclassifiable Attainment\nLamoille County Unclassifiable Attainment\nOrange County Unclassifiable Attainment\nOrleans County Unclassifiable Attainment\nRutland County Unclassifiable Attainment\nWashington County Unclassifiable Attainment\nWindham County Unclassifiable Attainment\nWindsor 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.\nVermont—2006 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nStatewide:\nAddison County Unclassifiable Attainment\nBennington County Unclassifiable Attainment\nCaledonia County Unclassifiable Attainment\nChittenden County Unclassifiable Attainment\nEssex County Unclassifiable Attainment\nFranklin County Unclassifiable Attainment\nGrand Isle County Unclassifiable Attainment\nLamoille County Unclassifiable Attainment\nOrange County Unclassifiable Attainment\nOrleans County Unclassifiable Attainment\nRutland County Unclassifiable Attainment\nWashington County Unclassifiable Attainment\nWindham County Unclassifiable Attainment\nWindsor 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.\nVermont—NO2 (1971 Annual Standard)\nDesignated area Does not meet primary standards Cannot be classified or better than national standards\nAQCR 159 (Vermont portion) X\nAQCR 211 (Vermont portion) X\nVermont—NO2 (2010 1-Hour Standard)\nDesignated area Designation a\nDate 1 Type\nState of Vermont 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.\nVermont—PM10\nDesignation status Designation Classification\nDate Type Date Type\nWhole State 11/15/1990 Unclassifiable\nVermont—1997 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designation a Category/classification\nDate 1 Type Date 1 Type\nAQCR 159 Champlain Valley Interstate (part)\nAddison County Unclassifiable/Attainment\nChittenden County Unclassifiable/Attainment\nAQCR 159 Champlain Calley Interstate (remainder of) Unclassifiable/Attainment\nFranklin County\nGrand Isle County\nRutland County\nAQCR 221 Vermont Intrastate (part) Unclassifiable/Attainment\nWindsor County\nAQCR 221 Vermont Intrastate (remainder of) Unclassifiable/Attainment\nBennington County\nCaledonia County\nEssex County\nLamoille County\nOrange County\nOrleans County\nWashington County\nWindham 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.\nVermont—2008 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area 1 Designation Classification\nDate 2 Type Date 2 Type\nAQCR 159 Champlain Valley Interstate: Unclassifiable/Attainment\nAddison County\nChittenden County\nFranklin County\nGrand Isle County\nRutland County\nAQCR 221 Vermont Intrastate: Unclassifiable/Attainment\nBennington County\nCaledonia County\nEssex County\nLamoille County\nOrange County\nOrleans County\nWashington County\nWindham County\nWindsor County\n1 Includes any Indian country in each county or area, unless otherwise specified.\n2 This date is July 20, 2012, unless otherwise noted.\nVermont—2015 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area 1 Designation Classification\nDate 2 Type Date Type\nAQCR 159 Champlain Valley Interstate Attainment/Unclassifiable\nAddison County\nChittenden County\nFranklin County\nGrand Isle County\nRutland County\n* AQCR 222 Vermont Intrastate Attainment/Unclassifiable\nBennington County\nCaledonia County\nEssex County\nLamoille County\nOrange County\nOrleans County\nWashington County\nWindham County\nWindsor 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.\nVermont—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":"141a3cadb2f22c746a484957d575f353b4e12ebb3218ecb53e12748b2fad639c","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.345","next":"us/40-cfr-81.347"},"notice":"GroundRules: Original legal text. Not legal advice."}