Air quality assessment tenders and contracts
UK public sector, covering 600+ buyer sites
276 air quality assessment tenders and contracts, 124 this year.
Updated 4 November 2026 · compiled by BidSkim Limited · How we count
- Awarded a month£61k
- Contracts a month1.8
- Won by SMEs25%
- Frameworks and DPSs3
- Live now1See them →
Air quality assessment contracts
Tap a region to see its contracts. Pick as many as you like.
How many air quality assessment contracts do keyword alerts miss?
In the last year, an "air quality assessment" alert would have missed 24 of 25 air quality assessment contracts (96%) and an expert list of 15 phrases 13 (52%). How we measured this
Keyword alert"air quality assessment"
24 of 25
Expert list15 phrases
13 of 25
Expert list: air quality assessment, air quality modelling, air quality monitoring, air quality consultancy, air quality management area, aqma, local air quality management, laqm, air quality action plan, air quality impact assessment, air pollution risk assessment, air quality dispersion modelling, air quality implementation plan, ambient air quality, air quality detailed assessment
42 contracts across the UK, of any size
1 air quality assessment opportunity is open now
- Pre-market29 Oct 2026National Focal Centre (NFC) to Model and Map Air Pollution Impacts on UK habitatDepartment for Environment, Food and Rural Affairs
- Awarded23 Oct 2026Clean Air HospitalBirmingham City Council · West MidlandsWon by Global Action Plan£93k
- Awarded22 Sep 2026Noise/Air Quality Consultancy Services - BWR Phase 2Bath & North East Somerset Council · South WestWon by Ramboll£11k
- Awarded18 Sep 2026ES RDE 106 - Air Pollution Risk Assessment for Local Thermal FlowsEnvironment Agency · LondonWon by WSP£95k
- Awarded9 Sep 2026Air Quality modelling of Sites of Scientific Interest (SSSIs) to inform the Greater Cambridge Local PlanSouth Cambridgeshire District Council · East of EnglandWon by Air Quality Consultants Ltd£19k
- Awarded7 Sep 2026ES RDE 092 - Health Impacts of Prolonged Air Pollution Episodes in the UKDepartment for Environment, Food and Rural Affairs · LondonWon by Air Quality Consultants Ltd£63k
- Awarded1 Jul 2026Aviation Local Air Quality Dispersal ModellingDepartment for TransportWon by Cambridge Environmental Research Consultants (CERC)£90k
- Awarded17 Jun 2026ES RDE 064 - Nitrogen Decision Framework: 2022-2024 Deposition DataNatural England · LondonWon by AECOM£3k
- Awarded1 Jun 2026PKC14078 Perth AQMA Detailed AssessmentPerth & Kinross Council · ScotlandWon by Air Quality Consultants Ltd£3k
- Awarded29 May 2026Bradford Local Plan Air Quality AssessmentCity of Bradford Metropolitan District Council · Yorkshire and the HumberWon by Air Quality Consultants Ltd£28k
- Awarded28 Apr 2026ES RDE 029 - Ambient air quality monitoring strategy for industrial clustersDepartment for Environment, Food and Rural Affairs · LondonWon by Ricardo Energy & Environment£20k
- Awarded14 Apr 2026ES RDE 033 - Localisation of fleet composition and road transport emissions for Clean Air Zones for 2025 compliance assessment modellingDepartment for Environment, Food and Rural Affairs · LondonWon by Ricardo Energy & Environment£23k
- Awarded31 Mar 2026Air Quality Implementation PlanWest Midlands Combined Authority · West MidlandsWon by AECOM£29k
- Awarded27 Mar 20263360.212 Marigold Farm Air Quality AdviceLeicestershire County Council · East MidlandsWon by AECOM£4k
- Awarded8 Feb 2026Air Quality Modelling 2016 - 2050Transport for London · LondonWon by Imperial College London£262k
- Awarded5 Feb 2026PKC13791 Perth Circulation Plan Air Quality ModellingPerth & Kinross Council · ScotlandWon by Air Quality Consultants Ltd£6k
- Awarded26 Jan 2026NO2 Exit ModellingPortsmouth City Council · South EastWon by AtkinsRéalis£138k
- Awarded20 Jan 2026RDE994 - Environmental Impact Assessment of emissions to air from the A1 SinterEnvironment Agency · Yorkshire and the HumberWon by Ricardo Energy & Environment£15k
- Awarded18 Nov 2025Award of PKC13708 Source Apportionment StudyPerth & Kinross Council · ScotlandWon by Air Quality Consultants Ltd£3k
- Awarded17 Nov 2025Air Quality Modelling ServiceHampshire County Council · South EastWon by Ricardo Energy & Environment£135k
- Awarded10 Nov 2025Award of PKC13631 Assessing the Effects of the CTLRPerth & Kinross Council · ScotlandWon by Air Quality Consultants Ltd£7k
- Awarded7 Nov 2025Nitrogen reduction feasibility study - air qualityNatural England · Yorkshire and the HumberWon by Ricardo Energy & Environment£30k
- Awarded6 Nov 2025Award of RRF/015/25 - Outdoor air pollutant exposure – evidence reviewNational Records of Scotland · ScotlandWon by Air Quality Consultants Ltd£46k
- Awarded6 Nov 2025Liverpool Clean Air Plan - Monitoring & EvaluationLiverpool City Council · North WestWon by City Science Corporation Limited£526k
- Awarded17 Oct 2025Supporting the Development of the Decision-Making Thresholds 2050Joint Nature Conservation Committee · East of EnglandWon by Ricardo Energy & Environment£55k
- Awarded22 Sep 2025Horsham DC: Air Quality ANPR Consultancy ServicesHorsham District Council · South EastWon by Air Quality Consultants Ltd£35k
- Awarded29 Jul 2025CONTRACT FOR PROVISION OF TRAFFIC MODELLING, AIR QUALITY MODELLING, & OPTIONS EVALUATION SERVICES FOR EMISSIONS REDUCTION WITHIN BIRMINGHAM CLEAN AIR ZONE EXCEEDANCE AREASBirmingham City Council · West MidlandsWon by Jacobs£117k
- Awarded27 Jun 2025Local Air Quality Management Support 2025 - 2031Department for Environment, Food and Rural Affairs · LondonWon by Bureau Veritas£2m
- Awarded21 May 2025Contract for the Modelling of Ambient Air Quality (MAAQ)Department for Environment, Food and Rural Affairs · LondonWon by Imperial College London£6.7m
- Awarded6 May 2025Assess Air QualityBlaby District Council · East MidlandsWon by AECOM
- Awarded13 Mar 2025Air Quality Assessment Cranford Street, Smethwick - AWARDSandwell Metropolitan Borough Council · West MidlandsWon by AECOM
Where air quality assessment tenders are run
ProContract3 50%
In-Tend2 33%- SAP Ariba1 17%
Tenders published in the last year that name the bid portal they run on.
3 frameworks for air quality assessment work are running. None are open to join now.
Air Quality Consultants Ltd won the most air quality assessment contracts
Imperial College London won the most by value. Each dot is one contract, coloured by who bought it.
| Rank | Contractor | Contracts won, by buyer | Contracts | Value won | Buyers | Share |
|---|---|---|---|---|---|---|
| 1 | Air Quality Consultants Ltd Scotland · See every contract | 14 | £507k | 9 | ||
| 2 | Ricardo Energy & Environment Yorkshire and the Humber · 2 framework places · See every contract | 7 | £508k | 6 | ||
| 3 | AECOM East Midlands · 1 framework place · See every contract | 6 | £86k | 5 | ||
| 4joint | Imperial College London London · SME · See every contract | 2 | £7m | 2 | ||
| 4joint | Bureau Veritas London · See every contract | 2 | £2m | 2 | ||
| 4joint | WSP London · 1 framework place · See every contract | 2 | £105k | 2 | ||
| 7joint | City Science Corporation Limited North West · SME · See every contract | 1 | £526k | 1 | ||
| 7joint | AtkinsRéalis South East · See every contract | 1 | £138k | 1 | ||
| 7joint | Jacobs West Midlands · See every contract | 1 | £117k | 1 | ||
| 7joint | Global Action Plan West Midlands · See every contract | 1 | £93k | 1 |
5 more air quality assessment contractors ranked. See the full ranking →
Win air quality assessment contracts? Share your ranking.
Councils award 45% of air quality assessment contracts
Central government bodies buy the bigger jobs, at a median of £59k against £29k. Contracts with a published value in the last 2 years, from the type of buyer to the size of the contract.
5 buyers bought air quality assessment more than once in the last 2 years
Each dot is a buyer, by how many air quality assessment contracts it awarded in the last 2 years.
See who they are and when they usually buy →
Few and big, or many and small
Each dot is a buyer: how many air quality assessment contracts it awarded against what they were worth. The busiest and biggest are named.
Top buyers by contracts awarded
| Rank | Buyer | Contracts | Value |
|---|---|---|---|
| 1 | Department for Environment, Food and Rural Affairs | 8 | £9m |
| 2 | Natural England | 6 | £191k |
| 3 | Perth & Kinross Council | 4 | £19k |
| 4 | Environment Agency | 3 | £170k |
| 5 | Birmingham City Council | 2 | £209k |
| 6 | Liverpool City Council | 1 | £526k |
| 7 | Transport for London | 1 | £262k |
| 8 | West Northamptonshire Council | 1 | £230k |
| 9 | Portsmouth City Council | 1 | £138k |
| 10 | Hampshire County Council | 1 | £135k |
116 air quality assessment contracts awarded since 2021
- 162021
- 242022
- 192023
- 172024
- 232025
- 172026 so far
Half of air quality assessment contracts are worth less than £40k
The 10 biggest air quality assessment contracts
- Department for Environment, Food and Rural AffairsImperial College London · 21 May 2025
- Department for Environment, Food and Rural AffairsBureau Veritas · 27 Jun 2025
- Liverpool City CouncilCity Science Corporation Limited · 6 Nov 2025
- Transport for LondonImperial College London · 8 Feb 2026
- West Northamptonshire CouncilRicardo Energy & Environment · 7 Nov 2024
- Portsmouth City CouncilAtkinsRéalis · 26 Jan 2026
- Hampshire County CouncilRicardo Energy & Environment · 17 Nov 2025
- Birmingham City CouncilJacobs · 29 Jul 2025
- Environment AgencyWSP · 18 Sep 2026
- Birmingham City CouncilGlobal Action Plan · 23 Oct 2026
No air quality assessment contracts come up for renewal in the next 12 months
The 6 air quality assessment contracts ending are one-off work, which is not re-let as it was.
London awards the most air quality assessment contracts. November and September are the busiest months.
Contracts by region and by month awarded. Click a region to filter the page.
The regions as a table
| Region | Open now | Contracts | Value | Typical contract | Won the most | Bought the most | Renewing in 12 months |
|---|---|---|---|---|---|---|---|
| London | 0 | 9 | £9.2m | £63k | Imperial College London and Ricardo Energy & Environment (2 each) | Department for Environment, Food and Rural Affairs (5) | 0 |
| Scotland | 0 | 6 | £110k | £7k | Air Quality Consultants Ltd (6) | Perth & Kinross Council (4) | 0 |
| West Midlands | 0 | 4 | £239k | £93k | AECOM (2) | Birmingham City Council (2) | 0 |
| Yorkshire and the Humber | 0 | 3 | £73k | £28k | Ricardo Energy & Environment (2) | – | 0 |
| East Midlands | 0 | 3 | £234k | – | AECOM (2) | – | 0 |
| South East | 0 | 3 | £308k | £135k | – | – | 0 |
| East of England | 0 | 2 | £73k | – | – | – | 0 |
| South West | 0 | 2 | £46k | – | – | – | 0 |
| North West | 0 | 1 | £526k | – | – | – | 0 |
| North East | 0 | 0 | Not published | – | – | – | 0 |
| Wales | 0 | 0 | Not published | – | – | – | 0 |
| Northern Ireland | 0 | 0 | Not published | – | – | – | 0 |
- £61k a month
of air quality assessment contracts awarded.
Typical contract £29k x 2.1 contracts a month, last 12 months. - 1.8
air quality assessment contracts are awarded in a typical month.
42 contracts in the last 2 years. - 3
frameworks and DPSs are running for air quality assessment work.
0 open to join now. - 25%
of air quality assessment contracts are won by SMEs.
As recorded by the buyer, on 28 award notices.
How many air quality assessment tenders and contracts are there?
| Last 12 months | Since November 2021 | |
|---|---|---|
| Notices published | 124 | 276 |
| Contracts awarded | 25 | 103 |
9 air quality assessment contracts and frameworks end in the next 12 months, 2 of them recurring services. In the last two years, 24 buyers awarded air quality assessment contracts to 15 suppliers.
Source: Find a Tender, Contracts Finder, Public Contracts Scotland, Sell2Wales and eTendersNI, to 4 November 2026. By Seamus White. How we count
Questions
How many air quality assessment contracts does the UK public sector award?
42 in the 2 years to 4 November 2026, from 24 public buyers.
How long are air quality assessment tenders open for?
The median air quality assessment tender is open for 29 days from publication to deadline.
How much is a typical public sector air quality assessment contract worth?
The median is £40k, and 90% are worth less than £250k.
Who wins the most public sector air quality assessment contracts?
Air Quality Consultants Ltd won the most (14). Imperial College London won the most by value (£7m).
Which buyers award the most air quality assessment contracts?
Councils award 45% of them.
Which part of the UK awards the most air quality assessment contracts?
London: 9 of 42 in the 2 years to 4 November 2026, then Scotland (6) and the West Midlands (4).
Are there frameworks or DPSs for air quality assessment work that are open to join?
3 frameworks and DPSs for air quality assessment work are running. None are open to join now.
What is included
Air quality assessments for local plans, planning applications and construction projects, dispersion and deposition modelling, AQMA detailed assessments and statutory LAQM reporting, and air quality strategies, evidence reviews and programme evaluations.
- Air quality assessments for local plans and planning applications
- Air quality assessments for construction projects
- Dispersion, deposition and policy modelling
- Air quality modelling for Habitats Regulations Assessment
- AQMA detailed assessments and LAQM reporting and support
- Regional air quality strategies and nitrogen reduction studies
- Air pollution evidence reviews and programme impact evaluations
What is not included
- Monitoring stations, analysers, sensor networks and their servicing (see Air quality monitoring)
- NO2 diffusion tube supply and analysis (see Nitrogen dioxide diffusion tube supply and analysis)
- Stack and landfill gas emissions measurement (see Emissions monitoring)
- Full EIA coordination (see Environmental impact assessment)
- Clean air zone operation (see Road user charging, tolling and clean air zone operations)
- Net zero and climate strategy (see Sustainability consultancy)