Review and Assessment: Tools

Introduction
This page provides tools to assist local authorities with the local air quality Review and Assessment process. These include tools to assist with assessment of air quality – including:
- Tools for Monitoring Data (NOx/NO2 Calculator, Diffusion Tube Data Processing Tool, Annualisation Tool, NO2 Fall Off With Distance Calculator, Volatile Correction Model (VCM), Roadside NO2 Projection Factors, Year Adjustment Factors)
- Diffusion Tube related tools (Bias Adjustment Factors, Precision and Accuracy, Exposure Calendars)
- Vehicle Emissions Factors Toolkit for road transport
- Background maps and associated tools
- Emissions (including industrial, biomass and CHP screening tools)
- Modelling (including DMRB)
Tools can be found using the menus on the left hand side, or alternatively a List of Tools [PDF, 245KB] is available to download. It is important however to check the What's New webpage regularly for updates or ask the Helpdesk if you are unsure.
The tools are available to download in a variety of file formats although mainly in .pdf, .xls, .xlsm and .xlsb formats. Some of the tools contain macros and some users of MS Excel may need to alter their macro security settings to get these tools to run.
In addition to the tools shown on this page, the links on the side navigation will take you to specific sections where detailed information is provided.