We’ve made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Air Emissions Modeling

Contact Us

Air Emissions Modeling News:

2023 Data released as an update to the 2011v6.3 platform

Air Emissions Modeling

Modeling

Resources

See also Clearinghouse for Inventories and Emissions Factors (CHIEF)

Contact Us to ask a question, provide feedback, or report a problem.