Nitrogen oxides

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51 Nitrogen oxides notices found

Awarded contract
Aviation Local Air Quality Dispersal Modelling
Department for Transport (DFT)Supplier(s) CAMBRIDGE ENVIRONMENTAL RESEARCH CONSULTANTS LTDGBP 90,000Awarded 1 July 2026Expiring 31 March 2028Research services
Stale Pre-tenderPublished 5 June 2026
Clean Vehicle Retrofit Accreditation Scheme
Department for Transport (DFT)GBP 990,000Closing 10 June 2026Air quality management
Closed tenderPublished 29 April 2026
CAMS2_53c Development and provision of observation-based hot-spot emissions of CH4, NO2, and CO2 from existing satellites and the first CO2M mission
European Centre for Medium-Range Weather Forecasts (ECMWF)Closing 19 June 2026Research and development services and related consultancy services
Closed tenderPublished 23 April 2026
LA3668F - RFT - EPA - Multi-Supplier Framework Agreement for the Supply, Delivery, Installation, Servicing and Maintenance of Ambient Air Monitoring Equipment 4 Lots
Education Procurement Service EPSEUR 850,000Closing 22 May 2026Analysers
Awarded contract
Provision of Diesel for Chichester District Council
Hampshire County CouncilSupplier(s) Wessex Petroleum Ltd trading as WP GroupGBP 2,003,100Awarded 15 September 2025Expiring 14 September 2028Hydrogenated or esterified oils or fats
Expired contract
Air Pollution Recovery Indicators - Assessing potential indicators of recovery from air pollution through monitoring air quality and ecological parameters at Skipwith Common SAC
6 buyers
Centre for Environment, Fisheries and Aquaculture Science
Joint Nature Conservation Committee
Marine Management Organisation
Natural England
Natural Resources Wales
Scottish Natural Heritage
Supplier(s) UK Centre for Ecology & Hydrology (UKCEH)GBP 116,666Awarded 5 December 2025Expiring 31 March 2026Environmental services
Closed tenderPublished 3 October 2025
Air Pollution Recovery Indicators - Assessing potential indicators of recovery from air pollution through monitoring air quality and ecological parameters at Skipwith Common SAC
6 buyers
Centre for Environment, Fisheries and Aquaculture Science
Joint Nature Conservation Committee
Marine Management Organisation
Natural England
Natural Resources Wales
Scottish Natural Heritage
GBP 116,666Closing 28 October 2025Environmental services
Closed tenderPublished 18 October 2024
Air Quality Monitoring - Equipment Support Unit (ESU) Services
London Borough of HackneyGBP 35,000Closing 8 November 2024Airborne particle monitoring
Expired contract
Telematics Use for Retrofitted Buses Research
Department for Environment, Food & Rural Affairs (DEFRA)Supplier(s) TNS UK Ltd (trading as TNS BMRB)GBP 49,626Awarded 1 July 2024Expiring 30 August 2024Social research services
Awarded contract
Supply and Installation of two Continuous Automatic Nitrogen Oxides Analyser
North Lanarkshire CouncilSupplier(s) ACOEM UK LtdGBP 18,998Awarded 27 January 2022Air quality management
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Expired contract
Air Quality Monitoring Equipment
London Borough of HounslowSupplier(s) Matts Monitors LtdGBP 162,300Awarded 22 January 2024Expiring 21 January 2025Environmental services
Closed tenderPublished 18 October 2023
Permanent Automatic Air Quality Monitoring Station
London Borough of HackneyClosing 20 November 2023Air pollution monitoring or measurement services
Closed tenderPublished 11 October 2023
Air Quality Monitoring Equipment
London Borough of HounslowClosing 15 November 2023Environmental services
Awarded contract
Supply & Delivery of 8 x Continuous Automatic Nitrogen Oxides Analysers
North Lanarkshire CouncilSupplier(s) ACOEM UK LtdGBP 71,244Awarded 8 March 2023Air quality management
Expired contract
Contract for the Supply of a Fixed Destruction Unit for Nitrogen Oxides
The Newcastle upon Tyne Hospitals NHS Foundation TrustSupplier(s) Beacon Medaes LtdGBP 150,000Awarded 7 February 2023Expiring 6 February 2026Nitrogen oxides
Closed tenderPublished 22 November 2022
Modelling of Ambient Air Quality (MAAQ)
Department for Environment, Food & Rural Affairs (DEFRA)Closing 20 September 2013
Closed tenderPublished 22 November 2022
Automatic Urban and Rural Air Quality Monitoring Network - CMCU & QAQC
Department for Environment, Food & Rural Affairs (DEFRA)Closing 5 March 2021
Closed tenderPublished 18 October 2022
Environment Agency Nitrogen Dioxide Direct Analyser with Nitrogen Monoxide - for Rural Supersite
Department for Environment, Food & Rural Affairs (DEFRA)GBP 44,999Closing 31 October 2022Air pollution monitoring or measurement services
Stale Pre-tenderPublished 21 September 2022
Renewable Vehicle Fuels
Hampshire County CouncilGBP 1,000,000Petroleum products, fuel, electricity and other sources of energy
Expired contract
GB-Egham: RHUL-22085 AWARDED Procurement of a Portable NOx Detector/Analyzer
Royal Holloway, University of LondonSupplier(s) Drummond Technology IncorporatedGBP 22,209.34Awarded 28 June 2022Expiring 30 June 2023Detection and analysis apparatus

Top buyers

Buyers ranked by total contract award volume for nitrogen oxides.

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BuyersCountValue

Department for Transport (DFT)
10
£51.1m
Department for Environment, Food & Rural Affairs (DEFRA)
8
£654.6k
Centre for Environment, Fisheries and Aquaculture Science
4
£78.9k
Scottish Natural Heritage
4
£78.9k
Joint Nature Conservation Committee
4
£78.9k
Southampton City Council
4
£3.0m
Natural England
4
£78.9k
Natural Resources Wales
4
£78.9k
Marine Management Organisation
4
£78.9k
North Lanarkshire Council
3
£109.2k

Trend over time

Notice volume for nitrogen oxides published over time.

Top suppliers

Suppliers ranked by total contract award volume for nitrogen oxides.

View all suppliers

SuppliersCountValue

UK Centre for Ecology & Hydrology (UKCEH)
3
£676.7k
ACOEM UK Ltd
2
£90.2k
TRL Limited
2
£1.5m
Enviro Technology Services Ltd
2
£2.0m
Aecom
1
£8.4k
TNS UK Ltd (trading as TNS BMRB)
1
£49.6k
CAMBRIDGE ENVIRONMENTAL RESEARCH CONSULTANTS LTD
1
£90.0k
Baxi Heating UK Limited
1
£1.8m
United Kingdom Research and Innovation as represented by its com
1
£120.0k
OVE ARUP & PARTNERS LIMITED
1
£560.0k

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