Public Workshop for the 9 µg/m3 Fine Particulate Matter National Ambient Air Quality Standard: Designations PRINT Location Zoom and CalEPA Headquarters Building, Sierra Hearing Room (second floor), 1001 I Street, Sacramento, CA 95814 Start Date September 25, 2024 5:00 pm End Date September 25, 2024 7:00 pm Categories Topics Air Quality Measurements, Modeling, Inventories. Event Type Workshop