• Home
  • >
  • List of Available Tools

List of Available Tools

Overview

All available tools hosted on the LAQM website are summarised below. The links provided direct you to the tool page where these can be downloaded. The tools are available 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.

This page contains the following sections. Use the links below to jump to a specific section.

Current Versions

Monitoring Tools – Diffusion Tubes

Local Bias Adjustment and Precision Calculator

Assists diffusion tube users in calculating the precision and accuracy of their results, in co-location studies where diffusion tubes are compared with automatic analysers.

Author: Ricardo-E&E
Last Updated: February 2011

National Bias Adjustment Factors

A database of bias adjustment factors determined from Local Authority colocation studies throughout the UK.

Author: Bureau Veritas / NPL
Last Updated: October 2021

Annualisation Tool

Assists diffusion tube users in annualising diffusion tube data, where monitoring has occurred for 3 months or more and less than 9 months, to obtain an estimate of the annual mean.

Author: Bureau Veritas
Last Updated: June 2020

Diffusion Tube Data Processing Tool

Assists diffusion tube users in overall data processing by amalgamating the following individual LAQM processing tools:

  • Annualisation tool;
  • Precision and accuracy tool – calculation of local bias;
  • NO2 fall off with distance calculator.
Author: Bureau Veritas
Last Updated: October 2021

Monitoring Tools – Particulate Matter

Volatile Correction Model

Corrects TEOM concentrations to “gravimetric equivalent” values.

Author: Kings College
Last Updated: April 2012

Monitoring Tools – Other

Year Adjustment Factors for CO, Benzene and 1,3 Butadiene

For use with carbon monoxide, benzene, and 1.3-butadiene monitoring results to project concentrations in future years.

Author: Ricardo-E&E
Last Updated: July 2002

NO2 Fall Off with Distance Calculator

Estimates the annual mean nitrogen dioxide concentration at one distance from a road, using measurements made at a different distance from the same road.

Author: Bureau Veritas
Last Updated: March 2018

NOx to NO2 Calculator

Derives NO2 from NOx wherever NOx is predicted by modelling emissions from roads. The calculator can also be used to calculate the road component of NOx from roadside NO2 diffusion tube measurements.

Author: Ricardo-E&E
Last Updated: August 2020

Background Concentrations

Background Maps (NOx, NO2, PM10 and PM2.5)

2018-2030 Background maps (NOx, NO2, PM10 and PM2.5).

Author: Ricardo-E&E
Last Updated: August 2020

NO2 Adjustment for NOx Sector Removal

NO2 Adjustment for NOx Sector Removal.

Author: Bureau Veritas
Last Updated: August 2020

Background Maps (SO2, CO, benzene & 1,3-butadiene)

2001 Background maps (SO2, CO, benzene & 1,3-butadiene).

Author: Ricardo-E&E
Last Updated: 2003

Background Maps for Northern Ireland (based on NIOS coordinates)

Background maps for Northern Ireland (based on NIOS co-ordinates).

Author: Ricardo-E&E
Last Updated: August 2020

Background Maps for Scotland (NOx, NO2 and PM10)

2018-2030 Background maps (NOx, NO2 and PM10) for use in review and assessment.

Author: Ricardo-E&E
Last Updated: September 2020

NO2 Adjustment for NOx Sector Removal (Scottish specific)

NO2 Adjustment for NOx Sector Removal for use with the background maps for Scotland.

Author: Ricardo-E&E
Last Updated:  January 2020

Emissions Tools

Road Transport Emission Factors Toolkit

The toolkit allows the user to calculate vehicle emissions for multiple road links based on vehicle fleet composition, traffic speeds and road type. This version supersedes any previous road transport emission
factors made available.

Author: Bureau Veritas
Last Updated: November 2021

Emission Factors Database

This database contains the emissions factors used in the 2018 UK National Atmospheric Emissions Inventory (NAEI), as well as factors specially designed for local inventories.

Author: Ricardo-E&E
Last Updated: 2021

1 × 1km Emission Estimates

Provides high level emission estimates for 2018 for each 1 × 1km grid square in the UK.

Author: Ricardo-E&E
Last Updated: 2020

Point Source Emission Estimates

Provides emissions by point source (i.e. for the large power generation and industrial sources).

Author: Ricardo-E&E
Last Updated: 2019

Screening Tools

DMRB Screening Tool

A road transport screening tool for use by Local Authorities to assess the impact of traffic generation on air quality.

Author: Highways Agency
Last Updated: July 2007

Industrial Emissions Screening Tool

A screening tool for NO2, PM10, SO2, Benzene and 1,3-Butadiene to assess whether the industrial plant of concern needs further assessment.

Author: Bureau Veritas
Last Updated: April 2017

Stack Height Calculator for SO2 from Small Boilers

A chimney height calculation spreadsheet for sulphur dioxide emissions from small boilers.

Author: Bureau Veritas
Last Updated: January 2001

Biomass Emissions Screening Tool

A screening tool for NO2, PM10 and PM2.5 to assess whether the biomass plant of concern needs further
assessment.

Author: Bureau Veritas
Last Updated: April 2017

Road Traffic Related Tools

Annual Average Daily Traffic Flows

Provides estimated traffic flows on every link of the ‘A’ road and motorway network in Great Britain. The data are for the years 1993 to 2018.

Author: DfT
Last Updated: 2020

Road Traffic and Speed statistics

Average daily motor vehicle flows by road class, GOR and country.

Author: DfT
Last Updated: March 2021

TEMPRO

Trip End Model Presentation Program – can be used to provide summaries of traffic growth using data from the National Transport Model.

Author: DfT
Last Updated: February 2021
LAQM Helpdesk
Skip to content