CA AB423

Restructures the San Diego County Air Pollution Control District governing board to 11 members effective March 1, 2021: two county supervisors, one San Diego city representative, five city council members from each supervisorial district, and three public members with expertise in public health, environmental justice, and air pollution science.

Requires the district to create a separate internet website by December 2021 with searchable permit information, enforcement actions, air toxics data, and budget details, and to post all permit applications within 3 business days of receipt while accepting public comments before final approval.

Mandates the district evaluate and recommend updates to its public complaint process by December 2021, including a 24-hour hotline, 48-hour response times, and posting of complaints and resolutions online.

Requires the district to develop a comprehensive air monitoring program plan by December 2021, publish annual air quality reports, apply for state and federal grant programs, and consider adopting rules for indirect sources like ports and warehouses.

Designates one county supervisor as liaison to the U.S. Navy, Marine Corps, and Coast Guard; authorizes the state Air Resources Board to audit the district for 2013-2018; and establishes that district expenses not covered by permits fees and penalties shall be funded through equitable per capita assessments on cities and counties.