Hardware For topics related to hardware recommendations, cluster configurations, processor speeds, etc. Infrastructure For topics on how CMAQ is currently organized and distributed on github, maintained on EPA compute servers and shared with the CMAS Community. Meteorology For topics related to CMAQ meteorology. Land Surface For issues/questions related to land surface modeling algorithms in CMAQ. Ancillary Inputs Use this category to report issues with using ancillary inputs (other than Emissions or Meterology) to CMAQ. Benchmark Issues and Errors Share your questions and experience in using CMAQ input and output benchmark datasets, including run-time results, and quality assurance of output data, and impact of libraries and compilers. Chemistry and Aerosols For deep diving into the Chemistry and Aerosol formulations of the CMAQ model. Documentation We welcome questions and suggestions on CMAQ documentation. Within the CMAQ GitHub repository (, this includes the CMAQ User’s Guide, Tutorials, Developer’s Guide and Release Notes found under the DOCS folder as well as sample scripts and files that are provided throughout the code base. Compiling For topics related to compiling CMAQ and the libraries that it depends on including MPI, netCDF, I/O API. Post-processing For topics related to CMAQ post-processing tools and software (AMET, Python, R). Run Time Errors and Issues Having trouble running CMAQ? Review existing topics that have been posted under this category, and if you can’t find something similar, create a new topic and attach your log file and run configuration settings to get help.
Topic Replies Activity
About the CMAQ category 2 March 11, 2019
CCTM compilation 49 November 12, 2019
Error in running CCTM 3 November 8, 2019
CCTM build error 13 November 8, 2019
CMAQ(v5.0.2)-APT installation issue 2 November 8, 2019
Error in CMAQ5.3 benchmark on Ubunru18 3 November 8, 2019
Initialization CMAQ on Rhea 6 November 7, 2019
Cmaq53 benchmark on zero out pcSOA for fires and RWC 3 November 7, 2019
How to deactivate ModAero? 8 November 7, 2019
Error when running Benchmark data of CMAQ v5.3 on Ubuntu18 2 November 7, 2019
Error when running BCON process of CMAQ v5.3 4 November 4, 2019
CCTM Build Script: Warning: alignment 32 of symbol `bstate3_' 9 October 31, 2019
Error when running CMAQ v5.3 7 October 29, 2019
Definition of spin up 2 October 28, 2019
CMAQV53 Benchmark Run "Cannot open shared object file" 7 October 28, 2019
CMAQ (benchmark run) 25 October 26, 2019
Maximum AQCHEM total iterations exceeded 9 October 23, 2019
Add new POPs species in CMAQ 1 October 23, 2019
CMAQ5.2, grid size matching issue 6 October 21, 2019
CCTM - dynamic boundary condition 12 October 17, 2019
Error in SMVGEAR when running CMAQv5.2 2 October 17, 2019
Can not Find PM25AT PM25AC PM25CO in CMAQv5.1 2 October 17, 2019
Unable to set CONC_SPCS to "ALL" 3 October 16, 2019
Time zone of CMAQ files 2 October 13, 2019
Disable Aerosol Module when running CCTM 7 October 12, 2019
CCTM(v5.2) benchcase MODIS_FPAR error 1 October 12, 2019
Four issues with CMAQv5.3 6 October 10, 2019
Error while preparing emission files for CMAQ 15 October 10, 2019
Error in CMAQv5.0.2 benchmark run 1 October 9, 2019
Segmentation Fault running Benchmark in CMAQv5.3 38 October 8, 2019