Ca Clean Air Decal stickers, Right now, 6 weeks 2 days, Mailed on 3/27/19, DMV received 4/1/19, Application approved 5/8/19 $22 check cleared bank 5/15/19, Received stickers (not yet) DMV website: Download and fill out application perfect, (otherwise they will mail back, 6 weeks waisted), website shows which boxes on application to check,