According to the Virginia Department of Motor Vehicles, the following counties and cities require emissions inspections:
- Counties of Arlington, Fairfax, Loudoun, Prince William or Stafford
- Cities of Alexandria, Fairfax, Falls Church, Manassas or Manassas Park
This information is also confirmed by Easterns Automotive Group, which lists the same counties and cities as requiring emissions inspections. Additionally, Virginia DEQ confirms that emission inspections are required for certain vehicles registered or operated primarily in Northern Virginia, including the counties of Arlington, Fairfax, Loudoun, Prince William, and Stafford.
However, according to a post on City-Data Forum, the only counties that do not require emissions inspections are the outer exurban ones like Fauquier and Spotsylvania. It is important to note that this information is not confirmed by official sources and may not be accurate.
In summary, the counties of Arlington, Fairfax, Loudoun, Prince William, and Stafford, as well as the cities of Alexandria, Fairfax, Falls Church, Manassas, and Manassas Park, require emissions inspections in Virginia.