Air District Operations

The Air District is taking steps to ensure Bay Area air quality and public health are protected while the shelter-in-place orders are in effect. Permits for businesses adjusting operations to aid in the public health response will also be expedited. Read more... | en Español

Regulation 13 Rule 4: Sewage Treatment and Anaerobic Digestion

Learn about the Air District's development process for Regulation 13, Rule 4, which would reduce emissions of methane from municipal sewage treatment and anaerobic digester operations in the Bay Area.

Find out about the status and anticipated timeline of the rule development process. Information on hearings, workshops, and other events is provided below, along with supporting documents and materials.

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Spare the Air Status
No Wood Burning
Spare the Air Status
  • Friday,
    4/10

    No Spare the Air Alert in Effect

Last Updated: 8/9/2019