The UK Urban NO2 Network (UUNN)

Environment Agency
London
Open procedure
13 January 2025 to 31 March 2030

Management and operation of the UK Urban NO2 Network, involving the deployment and maintenance of monitoring equipment to provide high-quality nitrogen dioxide data. The service supports national compliance assessments through systematic data collection, quality assurance, and technical reporting across multiple geographical locations to meet statutory environmental monitoring requirements.

Open the official notice

Awarded value: £2m; As published
Published: 12 February 2025; Contracts Finder
Awarded: 23 December 2024; Ricardo Energy & Environment
Contract length: 63 months; Ends 31 March 2030

What the buyer is asking for

Provision of national air quality monitoring services, including data collection, analysis, and reporting for environmental compliance and regulatory assessment purposes.

Category: Air quality management

Lifecycle

Publishedon Contracts Finder
12 February 2025
Contract awardedto Ricardo Energy & Environment
23 December 2024
Contract starts
13 January 2025
Contract ends
31 March 2030

Similar air quality monitoring contracts

UK Hydrocarbons Monitoring Network 2025-2027Department for Environment, Food and Rural Affairs · East of England · £2.6m
UK Hydrocarbons Monitoring Network 2025 STADepartment for Environment, Food and Rural Affairs · £2.6m
Replacement Instrumentation for use on the UK Automatic Hydrocarbons Network. Purchase, Testing and Equipment Support of new InstrumentationDepartment for Environment, Food and Rural Affairs · £1.6m
Replacement Instrumentation for use on the UK Automatic Hydrocarbons Network. Approach to Trial, Purchase and Equipment Support new InstrumentationDepartment for Environment, Food and Rural Affairs · £1.6m

See the air quality monitoring market: prices, buyers and who wins →

The buyer

Type: Other public body
Air quality monitoring contracts, 24 months: 10
Open air quality monitoring tenders: 0
Typical air quality monitoring contract: £177k

See everything Environment Agency buys →

How it compares

35× the typical air quality monitoring contract (£58k).

Cite this contract

Link: https://bidskim.com/tender/310589/the-uk-urban-no2-network-uunn
Buyer reference: CF-0457600D8d000003VQwdEAG
Open contracting ID: ocds-b5fd17-f98ea72c-16bb-43e7-b09d-37180c87b599
Source: Contracts Finder
Last checked: 12 October 2026

Environment Agency. The UK Urban NO2 Network (UUNN). Contract award, 12 February 2025. BidSkim, https://bidskim.com/tender/310589/the-uk-urban-no2-network-uunn (accessed 12 October 2026).