Diffusion Tubes

Diffusion Tube Data Centre

This website is used voluntarily by local authorities and in some cases only historical data is available. Local authorities may hold other Nitrogen Dioxide Diffusion Tube data, which will be available in individual LAQM reports which can be obtained directly from each local authority.

Only local authorities who have registered to use the system are listed. If the local authority you are looking for is not listed, this does not mean they do not carry not diffusion tube monitoring.

When searching for results by date, only the dates for which data has been entered by local authorities are shown.

Local authorities wishing to update their Diffusion Tube monitoring results should contact the LAQM Helpdesk (LAQMHelpdesk@uk.bureauveritas.com, 0800 032 7953) to obtain user details.

All Sites:
Closed Sites:

Roadside:
Background:
Kerbside:
U. Centre:
Suburban:
Industrial:
Rural:
Other:

Legend:

Roadside

Background

Kerbside

Urban Centre

Suburban

Industrial

Rural

Other

Download Diffusion Tube Data

Step 1: Choose a Local Authority

Only Local Authorities with data submitted are shown.

All results provided are raw data and have not been corrected for bias. Please see the bias adjustment pages for more information.

Information on the Diffusion Tube Data Centre

User Guide

Guidance on the use of this site is available here.

Data Type

All results provided are raw data and have not been corrected for bias. Please see the bias adjustment pages for more information.

Data Availability

This website is used voluntarily by local authorities and in some cases only historical data is available. The website is newly available having been offline since 2010. Local authorities may hold other Nitrogen Dioxide Diffusion Tube data, which will be available in individual LAQM reports which can be obtained directly from each local authority.

Only local authorities who have registered to use the system are listed. If the local authority you are looking for is not listed, this does not mean they do not carry not diffusion tube monitoring.

When searching for results by date, only the dates for which data has been entered by local authorities are shown.

Local authorities wishing to update their Diffusion Tube monitoring results should contact the LAQM Helpdesk (LAQMHelpdesk@uk.bureauveritas.com, 0800 032 7953) to obtain user details.