Cal. Health and Safety Code § 41090

(a) (1) The Sacramento district shall prepare a wildfire smoke air pollution emergency plan as an informational source for local agencies and the public during a wildfire smoke air pollution emergency. (2) The Sacramento district shall develop the wildfire smoke air pollution emergency plan in coordination with its county health officer and in consultation with all of the following: (A) Local offices of emergency management or emergency services. (B) School districts. (C) Regional planning agencies. (D) The state board. (b) The plan prepared pursuant to this section shall include, but need not be limited to, all of the following: (1) Recommendations and guidelines that will be health protective during wildfire smoke air pollution emergencies that include all of the following: (A) Specific recommendations based on different tiers of air quality during a wildfire smoke event. (B) Strategies, protocols, and guidelines for the monitoring at schools of air quality using low-cost sensors and other air quality monitoring information. (C) A short-term air quality metric that is advisory and provides details of the health effects of the wildfire smoke that occur on a time scale of less than 24 hours, subject to the approval of the state board. (2) An identification of the local agency statutorily responsible to take action at different thresholds. (3) Recommendations and best practices for private businesses and public agencies to reduce or modify certain activities that contribute to the worsening of air pollution during a wildfire smoke air pollution emergency. (4) Specific strategies to address vulnerable populations, including, but not limited to, all of the following: (A) Schoolage children. (B) The elderly. (C) People experiencing homelessness. (D) People who work outdoors. (E) People with health issues that are exacerbated by a wildfire smoke air pollution emergency.