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

Title V Applicability Criteria - Major Facility


  1. Major Facility: A facility with the potential to emit pollutants equal to or greater than one or more major source thresholds as follow:
    1. 100 tons per year of a criteria air pollutant (NOx, SO2, Pb, VOC, CO or PM10);
    2. 10 tons per year of a Hazardous Air Pollutant (HAP). (The initial list of HAPs is in CAA section 112(b), EPA has the authority to revise the list and should be consulted for the current list.); or
    3. 25 tons per year of any combination of HAPs.


Contact Us

Dennis Jang
Supervising Air Quality Engineer, Engineering

415.749.4707

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Spare the Air Status
No Wood Burning
Spare the Air Status
  • Wednesday,
    6/3

    No Spare the Air Alert in Effect

Last Updated: 6/10/2015