Clean Air Day 2026: Wednesday, October 7
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.
Clean Air Day 2026: Organization Competition
Compete against organizations in your industry to see who can encourage the most participation and make the biggest impact.