{"data":{"id":"us-va/9vac5-20-203","jurisdiction":"us-va","citation":"9VAC5-20-203","heading":"Maintenance areas","body":"Maintenance areas are geographically defined below by locality for the criteria pollutants indicated.\n\n1. Ozone.\n\nFredericksburg Ozone Maintenance Area.\n\nSpotsylvania County\n\nStafford County\n\nFredericksburg City\n\nHampton Roads Ozone Maintenance Area.\n\nGloucester County\n\nIsle of Wight County\n\nJames City County\n\nYork County\n\nChesapeake City\n\nHampton City\n\nNewport News City\n\nNorfolk City\n\nPoquoson City\n\nPortsmouth City\n\nSuffolk City\n\nVirginia Beach City\n\nWilliamsburg City\n\nRichmond Ozone Maintenance Area.\n\nCharles City County\n\nChesterfield County\n\nHanover County\n\nHenrico County\n\nPrince George County\n\nColonial Heights City\n\nHopewell City\n\nPetersburg City\n\nRichmond City\n\nShenandoah National Park Ozone Maintenance Area.\n\nMadison County (portions located in Shenandoah National Park)\n\nPage County (portions located in Shenandoah National Park)\n\n2. Carbon monoxide.\n\nNorthern Virginia Carbon Monoxide Maintenance Area.\n\nArlington County\n\nAlexandria City\n\n3. PM2.5 (particles with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers).\n\nNorthern Virginia PM2.5 Maintenance Area.\n\nArlington County\n\nFairfax County\n\nLoudoun County\n\nPrince William County\n\nAlexandria City\n\nFairfax City\n\nFalls Church City\n\nManassas City\n\nManassas Park City\n\n4. All other pollutants.\n\nNone.","path":["Title 9. Environment","Agency 5. State Air Pollution Control Board","Chapter 20. General Provisions","Part II. Air Quality Programs"],"source_url":"https://law.lis.virginia.gov/admincode/title9/agency5/chapter20/section203/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:48:02Z","sha256":"8de50e7e953d9312203339b205f44c092c4b473429fff520ee9e0fe5a9a29246","source_id":"us-va-vac","stale":false,"prev":"us-va/9vac5-20-201","next":"us-va/9vac5-20-204"},"notice":"GroundRules: Original legal text. Not legal advice."}