Clean Air Day
Wednesday, October 7, 2026
12 a.m.
Event
In Person
Clean Air Day is happening Wednesday, October 7!
Let's get moving San Diego! Join your neighbors across the San Diego region on Wednesday, October 7 by pledging to swap one solo car trip for a cleaner option.
- Get Active: Walk, bike, or scooter.
- Carpool: Coordinate with friends, family, or coworkers.
- Ride Transit: Replace a solo car trip using MTS and NCTD services.
- Plan Ahead: Combine multiple errands into one trip.
Take the pledge today at SANDAG.org/cleanairday to start building habits to keep our air healthy year-round.