EMFAC Web Database

This page last updated on March 1, 2018.

The EMFAC Web Database provides a quick and easy way to access commonly used EMFAC emissions and emission rates data without having to install and run the EMFAC model. The Web Database contains daily emissions and emission rates data for all areas, calendar years and seasons generated from the EMFAC model. The Web Database currently does not include hourly emissions data or emission rates data by temperature and humidity, for these use cases please download and run the EMFAC model.

Note: EMFAC2017 and EMFAC2014 versions of the Web Database are currently provided. The most recent approved version is EMFAC2014 (Federal Register Notice).



Please contact the EMFAC team if you have any questions or comments.

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