Hosted by CAPCOA
Southern California Regional Air Quality Summit
Regional Partnerships. Cleaner Air. Shared Progress.
October 26–27, 2026 • Diamond Bar, CA • South Coast AQMD
Conference Priorities
The Summit is organized around four interconnected priorities that reflect the shared challenges and opportunities facing air quality professionals across Southern California.
Regional Coordination
Strengthen collaboration among Southern California's air districts to address cross-boundary air quality challenges, share resources, and align regulatory approaches.
Technical Collaboration
Advance shared technical knowledge through peer exchange, data sharing, and joint research initiatives that improve monitoring, modeling, and emissions analysis.
Community-Centered Solutions
Center environmental justice and community health in air quality planning, ensuring that the most impacted communities benefit from regulatory progress.
Implementation & Innovation
Explore emerging technologies, policy tools, and implementation strategies that accelerate progress toward cleaner air across the region.
Two-Day Program Overview
Monday, October 26
Understanding Regional Challenges
The first day focuses on establishing a shared understanding of the air quality landscape across Southern California — examining current conditions, regulatory frameworks, and the communities most affected by air pollution. Sessions will feature data presentations, district updates, and facilitated dialogue on cross-boundary challenges.
Tuesday, October 27
Advancing Collaborative Solutions
The second day shifts toward action — exploring collaborative strategies, emerging technologies, and policy innovations that Southern California districts can pursue together. Breakout sessions will focus on specific topic areas, with time for working group discussions and next-step planning.
Who Should Attend
This Summit is designed for professionals working at the intersection of air quality regulation, environmental policy, and community health.
A Shared Commitment to Cleaner Air
Southern California's air quality challenges do not stop at district boundaries. This Summit brings together the professionals, agencies, and communities working to address those challenges — creating space for the kind of sustained, cross-district collaboration that drives real progress.