Clean Air Day
Wednesday, October 7, 2026
7 a.m.
Event
In Person
The Coalition for Clean Air hosts California Clean Air Day every year on the first Wednesday in October. SANDAG celebrates Clean Air Day by encouraging the San Diego region to get moving and take the pledge to walk, bike, carpool, or ride transit on Clean Air Day: Wednesday, October 7. Pledge today at SANDAG.org/cleanairday.