California Code, Government Code - GOV § 8593.25

(b) A county, including a city and county, shall, in advance of the next update to its emergency plan, establish criteria, locations, and measurements of effectiveness for public respite facilities during poor air quality and other weather-related events.

(c) A county-specific plan developed pursuant to subdivision (a) shall incorporate a plan to identify personnel to rapidly deploy aid and expertise to disaster areas, and a plan for public outreach to promptly and effectively inform the public about the health threat and what the public should do in response.

(d) A county-specific plan developed pursuant to subdivision (a) shall incorporate a process to provide emergency provisions of respiratory protection, air purifiers, medications, and oxygen for people with respiratory and pulmonary diseases, and people suffering symptoms of respiratory and pulmonary diseases.  If a county, including a city and county, has an existing process to acquire and distribute emergency provisions, the county may incorporate its existing process into its county-specific plan to fulfill this requirement.

(e) A county-specific plan developed pursuant to subdivision (a) shall incorporate a process to conduct outreach and communicate to the public and with key stakeholders about the plan, what it includes, how it will be implemented, and steps stakeholders and other members of the public need to take to be prepared in the event of an air quality event caused by wildfires or other sources.

(f) Two or more counties may establish a multicounty agreement to develop and implement a regional multicounty plan in lieu of each individual county implementing its own plan.  A multicounty plan shall be approved by each of the counties' boards of supervisors.

(g) After a county-specific plan or a regional multicounty plan is approved by the county's board of supervisors, a copy of the plan shall be distributed to all of the following: