Cambridge Environmental Research Consultants (CERC)

MAQS Coupled System 1.4 released

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Dec. 19, 2025

MAQS is CERC`s innovative automated system for coupling the high-resolution air quality model ADMS-Urban to a regional air quality model. The output comprises predictions of pollutant concentrations for an urban area, which take into account both regional and local pollutant transport and chemistry effects.

The utilities and scripts in the new version have been updated to include the following features:

  • Compatibility with the recently released ADMS-Urban and ADMS-Airport version 5.1
  • Automatic update of existing input configuration (.cfg) files from previous versions of MAQS into the new version
  • Allows the use of a site properties data file with ADMS-Urban to allow spatially varying site parameters for each grid cell
  • Extraction of surface roughness length at the met. site from regional meteorological data files for use by ADMS-Urban

For full details on the changes within MAQS 1.4 please see the What`s New document.

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