ARB's Emission Inventory Activities

Last updated June 16, 2014

An Emission Inventory is an estimation of the amount of pollutants discharged into the atmosphere that can be broken down by specified source categories in a certain geographical area and within a specified time span (e.g., in a calendar year). This webpage provides links to ARB’s various emission inventory programs.

Greenhouse Gases
Criteria Air Pollutants
Particulate Matter, Carbon Monoxide, Nitrogen Oxide, Sulfur Dioxide, Lead, and Reactive Organic Gases    

Emissions Data

   Emissions Estimation Methods and Resources

Toxic Air Pollutants

District Resources