Annual Emission Report (AER) for South Coast Air Quality Management District are due May 1, 2026. Developing and accurately submitting an AER can be complex, contact one of our AER experts for assistance.

Rule 3171 fees apply to all major sources of Volatile Organic Compounds (VOCs) or Oxides of Nitrogen (NOx) in the San Joaquin Valley air district.

Overview of Variance process in California by the local air pollution control districts.