Although the Northwest Clean Air Agency operates in Island, Skagit and Whatcom counties, we are headquartered out of Mt. Vernon, Skagit County. We make ourselves available as a resource to both private enterprise and the general public, so please give us a call if you have any questions or concerns about Clean Air.

1600 South Second Street Mount Vernon, WA 98273-5202 ph  360.428.1617 (Skagit) tel  800.622.4627 (Island & Whatcom) fax 360.428.1620 email info@nwcleanair.org

Hours of Operation: Monday–Friday, 8:00–4:30