Agencies | Governor
Virginia Regulatory Town Hall
Department of Environmental Quality
Air Pollution Control Board
Ambient Air Quality Standards [9 VAC 5 ‑ 30]
This action is exempt from the executive branch review process.
Ambient Air Quality Standards (Rev. A04)
General Information
Action Summary Incorporation of an ozone 8-hour standard at a level of 0.08 ppm and a new standard for fine particulate matter with an aerodynamic diameter less than or equal to 2.5 micrometers (PM2.5), set at 15 micrograms per cubic meter (g/m3).
Chapters Affected Only affects this chapter.
Exempt from APA Yes, this action is exempt from the Administrative Process Act. The normal executive branch review process is not required.
Exempt Citation: Section 2.2-4006 A 4 c of the Code of Virginia
RIS Project No project yet assigned to this action
Stages associated with this regulatory action.
Stage ID Stage Type Status
2815 Final Stage complete. This regulation became effective on 9/8/2004.
Contact Information
Name / Title: Karen G. Sabasteanski 
Address: P.O.Box 10009
Richmond, VA 23240
Email Address:
Phone: (804)698-4426    FAX: (804)698-4510    TDD: (804)698-4021