LAQM Tools

This page provide tools to assist local authorities with their Review and Assessment process

The following tools are currently available:

• LAQM Helpdesks

(Updated Nov. 2006)

This spreadsheet has been designed to assist Diffusion Tube users in calculating the Precision and Accuracy (Bias) of their co-location studies. It also helps in adjusting diffusion tube results using the bias adjustment calculated. This includes 95% confidence intervals in the Bias Adjustment calculations.

(Updated Jan 2006)

Estimated UK background air pollution concentrations for PM₁₀, NO_x and NO₂ 2004 and projections for other years can be access from here.

UK Maps available for download as a PDF. Download 1 km x 1 km values for each local authority as a comma separated (csv) file. Estimated UK background concentrations for 2001 are available here.

UK Maps available for download as a PDF. Download 1 km x 1 km values for each local authority as a comma separated (csv) file.

The most recent update of the Design Manual for Roads and Bridges (DMRB) screening method published by the Highways Agency (July 2007) is available for download as MS Excel spreadsheet. Click here to download DMRB instructions (pdf). Instructions for using the spreadsheet can be found in Appendix D of the document.

MS Excel spreadsheet for calculation of Roadside NO_X from Roadside NO₂. Updated 19 March 2007.

Updated Jan 2006

Two MS Excel spreadsheets, the first a simple tool for projecting forwards concentrations, the second, a full list of the year adjustment factors. Adjustment Factors 2001 for PM₁₀, NO₂ and other pollutants are available here.

A suite of tools are available to help local authorities assess their local emissions.

A guide to the assessment of traffic related sources.

Supplementary Assistance Spreadsheet for Stack Height Calculation

You could download the spreadsheet here and the Supplementary Assistanceon Stack Height Determination here(pdf file).