Local Air Quality Management (LAQM) Support

Welcome to the LAQM Support Pages provided by Defra and the Devolved Administrations.

These pages contain a variety of support functions for local authorities and practitioners of local air quality management. To keep up to date with changes to the contents of these pages see our What's new page.

The support functions include:

  • A Helpdesk for email and telephone queries on all aspects of local air quality management.
     
  • Tools to assist with assessment of air quality – including:

    • NOx/NO2 Calculator;
      • Allows local authorities to derive NO2 from NOx wherever NOx is predicted by modelling emissions from roads.
    • Background Maps;
      • 2010-based background maps for years 2010 to 2030 for NOx, NO2, and PM10 are available.
    • Emission Factor Toolkit (Updated January 2013);
      • For road transport vehicles, incorporating updated NOx emission factors and vehicle fleet information.
    • Roadside NO2 Projection Factors (Updated August 2012);
      • Factors for projecting measured annual mean roadside NO2 concentrations to future years.
    • Diffusion Tube Tools;
      • Accuracy and precision bias calculator, Bias adjustment factors, Exposure dates calendar, etc.
    • Volatile Correction Model (VCM); and
      • A new model to correct TEOM measured PM10 concentrations to 'gravimetric equivalent' values.
    • Many others.
      • A List of Tools (PDF, 280KB, 4 Pages) is also available to download.
  • Information for Review and Assessment - Checklists, example Reports and the Report Submission Webpages.
     
  • A website showing all currently declared Air Quality Management Areas in the UK.
     
  • Information for Action Planning including details on Measures, Good Practice, Case Studies and Action Planning Supporting Guidance.
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