June 17, 2025
The Northwest Clean Air Agency’s office will close on Thursday, June 19, to observe the Juneteenth holiday.
Normal operations will resume on Friday, June 20. NWCAA’s office at 1600 S. 2nd St., Mount Vernon, is typically open to the public from 8:30 a.m. to 4:30 p.m. Monday through Friday except on holidays.