Nitrogen oxides

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51 results matching, nitrogen oxides

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Awarded contract, expiring in 17 monthsPublished 2 July 2026
Aviation Local Air Quality Dispersal Modelling
Department for Transport (DFT)Supplier(s) CAMBRIDGE ENVIRONMENTAL RESEARCH CONSULTANTS LTDResearch servicesAwarded 1 July 2026
£90,000
Stale Pre-tender, closed 10 June 2026Published 5 June 2026
Clean Vehicle Retrofit Accreditation Scheme
Department for Transport (DFT)Environmental services
£1,450,000
Closed tender, closed 19 June 2026Published 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)Research and development services and related consultancy services
Value not stated
Closed tender, closed 5 June 2026Published 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 EPSMiscellaneous evaluation or testing instruments
€850,000
Awarded contract, expiring 14 September 2028Published 9 December 2025
Provision of Diesel for Chichester District Council
Hampshire County CouncilSupplier(s) Wessex Petroleum Ltd trading as WP GroupDiesel fuelAwarded 15 September 2025
£2,003,100
Expired contract, expired 31 March 2026Published 5 December 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
Supplier(s) UK Centre for Ecology & Hydrology (UKCEH)Environmental servicesAwarded 5 December 2025
£116,666
Closed tender, closed 28 October 2025Published 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
Environmental services
£116,666
Closed tender, closed 8 November 2024Published 18 October 2024
Air Quality Monitoring - Equipment Support Unit (ESU) Services
London Borough of HackneyAir pollution monitoring or measurement services
£35,000
Expired contract, expired 30 August 2024Published 4 September 2024
Telematics Use for Retrofitted Buses Research
Department for Environment, Food & Rural Affairs (DEFRA)Supplier(s) TNS UK Ltd (trading as TNS BMRB)Social research servicesAwarded 1 July 2024
£49,626
Awarded contractPublished 6 February 2024
Supply and Installation of two Continuous Automatic Nitrogen Oxides Analyser
North Lanarkshire CouncilSupplier(s) ACOEM UK LtdAir quality managementAwarded 27 January 2022
£18,998
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Expired contract, expired 21 January 2025Published 6 December 2023
Air Quality Monitoring Equipment
London Borough of HounslowSupplier(s) Matts Monitors LtdEnvironmental servicesAwarded 22 January 2024
£162,300
Closed tender, closed 20 November 2023Published 18 October 2023
Permanent Automatic Air Quality Monitoring Station
London Borough of HackneyAir pollution monitoring or measurement services
Value not stated
Closed tender, closed 15 November 2023Published 11 October 2023
Air Quality Monitoring Equipment
London Borough of HounslowEnvironmental services
Value not stated
Awarded contractPublished 9 March 2023
Supply & Delivery of 8 x Continuous Automatic Nitrogen Oxides Analysers
North Lanarkshire CouncilSupplier(s) ACOEM UK LtdAir quality managementAwarded 8 March 2023
£71,244
Expired contract, expired 6 February 2026Published 6 February 2023
Contract for the Supply of a Fixed Destruction Unit for Nitrogen Oxides
The Newcastle upon Tyne Hospitals NHS Foundation TrustSupplier(s) Beacon Medaes LtdNitrogen oxidesAwarded 7 February 2023
£150,000
Closed tender, closed 20 September 2013Published 22 November 2022
Modelling of Ambient Air Quality (MAAQ)
Department for Environment, Food & Rural Affairs (DEFRA)
Value not stated
Closed tender, closed 5 March 2021Published 22 November 2022
Automatic Urban and Rural Air Quality Monitoring Network - CMCU & QAQC
Department for Environment, Food & Rural Affairs (DEFRA)
Value not stated
Closed tender, closed 31 October 2022Published 18 October 2022
Environment Agency Nitrogen Dioxide Direct Analyser with Nitrogen Monoxide - for Rural Supersite
Department for Environment, Food & Rural Affairs (DEFRA)Air pollution monitoring or measurement services
£44,999
Stale Pre-tenderPublished 21 September 2022
Renewable Vehicle Fuels
Hampshire County CouncilPetroleum products, fuel, electricity and other sources of energy
£1,000,000
Expired contract, expired 30 June 2023Published 1 August 2022
GB-Egham: RHUL-22085 AWARDED Procurement of a Portable NOx Detector/Analyzer
Royal Holloway, University of LondonSupplier(s) Drummond Technology IncorporatedDetection and analysis apparatusAwarded 28 June 2022
£22,209.34

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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