Research and analysis

UK Urban NO2 Network (UUNN) technical reports

Annual technical reports for the UK Urban NO2 Network (UUNN), part of the UK's air pollution monitoring regime.

• From: Environment Agency and Department for Environment, Food & Rural Affairs
• Published: 9 October 2026

Documents

UK Urban NO2 Network Operational Annual Report 2025

PDF, 725 KB, 21 pages

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Details

The UK Urban NO2 Network (UUNN) is part of the UK’s air pollution monitoring regime.

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

The 2025 report is prepared by WSP UK on behalf of the Environment Agency and the Department for Environment, Food and Rural Affairs.

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