CERC — Environmental Software and Services

ADMS-Urban icon

MAQS

Multi-Model Air Quality System

Model development and verification

Scatter Plots of Results

Example frequency scatter plots comparing modelled and observed hourly NO2 concentrations from the regional model EMEP (left), stand-alone ADMS-Urban (centre) and MAQS (right), for London background sites (upper) and near-road sites (lower). From Hood et al. (2018).

The initial concept of nesting ADMS-Urban in the regional model CMAQ was developed by CERC and published as Stocker et al. (2012). Further development for nesting in the EMEP4UK model was carried out in collaboration with the Centre for Ecology and Hydrology and supported by the UK Department for the Environment, Food and Rural Affairs. A detailed validation study for London was published as Hood et al. (2018). Further ADMS-Urban modelling for the West Midlands, including validation results, is described in Zhong et al. (2022).

The development of the automated MAQS system was carried out under a project for the Hong Kong Environmental Protection Department, in collaboration with researchers from the Hong Kong University of Science and Technology. It is now in operational use for street-scale air quality forecasting as part of the PRAISE-HK project.

Details of verification studies using the MAQS system can be found on the Model validation pages.

User support

MAQS is supplied with an in-depth user guide (please refer to the User Guides page) that details all user inputs and outputs, and includes a number of step-by-step worked examples. The user guide also gives a technical description of the system.

An annual maintenance contract provides support for users; this includes:

  • maintenance model upgrades,
  • use of the helpdesk by e-mail or phone,
  • attendance at the annual ADMS-Urban user group meeting,
  • receipt of the ADMS-Urban newsletter, and
  • access to the password-protected user area.

If you would like any additional information regarding MAQS, including details of available training courses, please contact CERC.

Current versions and system requirements

Current software versions and release dates are listed here.

System requirements and compatibility with third-party software are described on the System requirements page.

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