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Research and analysis

Automatic Urban and Rural Network (AURN) technical reports

Annual technical reports for the Automatic, Urban and Rural Network (AURN), part of the UK's air pollution monitoring regime.

Documents

Automatic Urban and Rural Network (AURN) QAQC annual technical report 2025

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2025 UK Report for Ongoing Particulate Matter (PM10 and PM2.5) Equivalence

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If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email defra.helpline@defra.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

The Automatic, Urban and Rural Network (AURN) is part of the UK’s air pollution monitoring regime.

Annual technical reports provide information on the activities undertaken and data collected by the AURN in each reporting year.

The AURN quality assurance and quality control (QAQC) annual technical report 2025 is prepared by WSP UK.

The UK report for on-going particulate matter (PM10 and PM2.5) equivalence 2025 is prepared by Bureau Veritas.

Previous reports from the UK’s air pollution monitoring networks are available on the National Archive.

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