SOA Model Enhancements
Includes support for additional SOA precursors and formation pathways.
Aerosols
Coarse PM enhancements for semivolatile inorganic components, surf zone sea salt emissions, and more.
Chemistry
HONO enhancements, in-line photolysis, aqueous chemistry updates, Cl2 chemistry, and multipollutant updates.
In-line Options
Dry deposition, biogenic emissions, plume rise, and bi-directional NH3 and Hg surface flux can be calculated in-line.
Clouds
Updates to the convective and resolved cloud models
Diagnostic tools (coming soon)
DDM, primary carbon source apportionment, and sulfate tracking model will be release in FY09.
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NERL releases CMAQ article (November 2009)
The EPA National Exposure Research Lab (NERL) released a feature article on CMAQ on their website in November 2009. The article highlights the advances made by EPA in using CMAQ to study air quality.
CMAQ v4.7 release delayed until early 2010
The CMAS Center and U.S. EAP are currently testing CMAQ version 4.7 and MCIP version 3.4. We expect to release these to the community in early 2010.
Beta version of CMAQ v4.6 Operational Guidance Document (OGD) Now Available
The first ever Operational
Guidance Document for CMAQ is now available in HTML and PDF formats. Changes are still being made daily to this document, so please consider it as a beta version. We welcome any feedback you have about the CMAQ OGD. Please direct feedback to cmas@unc.edu.
MCIPv3.3 (August, 2007)
There were several changes to MCIP in this release including enhancements to the dry deposition routine, bug fixes for processing both MM5 and WRF data, the removal of legacy codes in the MCIP code archive, and other updates to the MCIP science and documentation. See the Release Notes for a complete description of this release.
CMAQ Training in Sofia, Bulgaria
CMAS trainers traveled to Sofia, Bulgaria in August
2006 to teach CMAQ to modelers from government and university
groups around Europe. Sponsored by the ACCENT
initiative, the special workshop was attended by over
30 scientists and included tutorials on SMOKE

ACCENT-CMAS August 2006 CMAQ class |