SMOKE version 4.7 Public Release Announcement (October 9, 2019)

Dear the air quality community,

The Community Modeling and Analysis System (CMAS) center at the UNC Institute for the Environment, in cooperation with the U.S. EPA, is pleased to announce the release of SMOKE version 4.7. The SMOKE v4.7 release includes various enhancements and bug fixes, including new SMOKE Digital Object Identifier for your SMOKE reference and the most recent enhancements of Movesmrg for optional NOx Humidity Correction as well as Average Speed Distribution profiles. Find the details on the impacts of these onroad mobile emissions enhancements from the research paper presented in the U.S. EPA International Emissions Inventory Conference (IEIC) occurred in August 2019.

Documentation, downloads, source code, and detail release notes for SMOKE v4.6 can be accessed through or SMOKE github release.

Please report any bugs or problems with this release to

Best regards,

B.H. Baek, Ph.D.
SMOKE Model Developer/CMAS Center
Research Assistant Professor
Institute for the Environment / CMAS
University of North Carolina at Chapel Hill