CPV subcategory
90731800: Airborne particle monitoring
2 UK public contracts under 90731800 end in the next 18 months. Get the new tenders filed under it every weekday morning.
- 22
- Contracts since 2023
- 10
- Buyers
- 2
- Ending in 18 months
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2 contracts under 90731800 ending in the next 18 months
The 2 ending soonest, with the supplier that holds each now. End dates come from the original award notices, so each one is a re-tender with a date on it.
| Contract | Buyer | Held by | Ends |
|---|---|---|---|
| Purchase of two AeroTrak+ A100-51 portable particle counters | CAMBRIDGE UNIVERSITY HOSPITALS NHS FOUNDATION TRUST | CLEAN AIR TECHNOLOGIES LIMITED | Jan 2027in 2 months |
| Portable Particle Counters | CAMBRIDGE UNIVERSITY HOSPITALS NHS FOUNDATION TRUST | CLEAN AIR TECHNOLOGIES LIMITED | Oct 2027in 11 months |
What 90731800 covers
CPV code 90731800 is "Airborne particle monitoring", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 22 UK public contracts since 2023, awarded by 10 buyers, most often London Borough of Hackney and HealthTrust Europe LLP (HTE) Acting On Behalf Of Mid & South Essex NHS Foundation Trust. The typical contract was worth about £29k.
One of the 9,454 official CPV codes. Not sure it is the right one? Describe your work and the finder suggests the codes that match.
UK public contracts since 2023
How buyers use 90731800
- Contracts
- 22
- Buyers
- 10
- Typical value
- £29k
- Ending in 18 months
- 2
By year of award: 2023 4 · 2024 7 · 2025 8 · 2026 3. Figures as of 6 November 2026. Typical value is the median of single-supplier contracts with a published value (14).
Buyers using this code most
- London Borough of Hackney7
- HealthTrust Europe LLP (HTE) Acting On Behalf Of Mid & South Essex NHS Foundation Trust6
- Cambridge University Hospitals NHS Foundation Trust2
- Transport For London1
- UK Shared Business Services Ltd1
- Sandwell Metropolitan Borough Council1
- Office for Environmental Protection1
- London Borough of Camden1
Suppliers winning most often
- Air Sentry Limited6
- Rees Scientific6
- JTF Wireless Limited4
- Contronics Limited3
- CheckIT Europe Limited3
- Kelsius Limited3
- White Horse Scientific Limited2
- RICARDO-AEA Ltd2
Recent contracts under 90731800
| Contract | Buyer | Value | Awarded |
|---|---|---|---|
| Purchase of two AeroTrak+ A100-51 portable particle counters | CAMBRIDGE UNIVERSITY HOSPITALS NHS FOUNDATION TRUST | £27k | Oct 20262 weeks ago |
| Portable Particle Counters | CAMBRIDGE UNIVERSITY HOSPITALS NHS FOUNDATION TRUST | £25k | Sept 20262 months ago |
| GSS23787 Lasair Pro 310 Aerosol Particle | UK SHARED BUSINESS SERVICES LIMITED | £11k | Sept 20233 years 1 month ago |
| Turbulence Profiler Procurement | Defence Science and Technology Laboratory | £202k | Dec 20223 years 11 months ago |
| MAGIC(tm) CPC - Condensation Particle Counter | Defence Science and Technology Laboratory | £23k | Dec 20223 years 11 months ago |
Get the new tenders filed under 90731800Every weekday before 9am, 30 days free
Where it sits
Codes above 90731800
- 90000000Sewage, refuse, cleaning and environmental services
- 90700000Environmental services
- 90730000Pollution tracking and monitoring and rehabilitation
- 90731000Services related to air pollution
- 90731800Airborne particle monitoring
See the whole market in environmental and waste services contracts, with buyers, suppliers and contracts ending soon.
More specific
Codes beneath 90731800
None. 90731800 is as specific as the vocabulary goes for airborne particle monitoring.
Questions
About CPV code 90731800
What is CPV code 90731800?
CPV code 90731800 is "Airborne particle monitoring", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 22 UK public contracts since 2023, awarded by 10 buyers, most often London Borough of Hackney and HealthTrust Europe LLP (HTE) Acting On Behalf Of Mid & South Essex NHS Foundation Trust. The typical contract was worth about £29k.
Which codes sit above and below 90731800?
90731800 sits under 90000000 (Sewage, refuse, cleaning and environmental services), then 90700000 (Environmental services), then 90730000 (Pollution tracking and monitoring and rehabilitation), then 90731000 (Services related to air pollution). It has no more specific codes beneath it.
Who wins contracts under CPV code 90731800?
The suppliers named most often on UK public contracts under 90731800 since 2023 are Air Sentry Limited (6), Rees Scientific (6), JTF Wireless Limited (4). 22 different suppliers have won work under this code.
How do I get alerts for tenders using CPV code 90731800?
Add 90731800 to a Tender Radar profile, with keywords that describe your work. Each weekday morning you get the new UK public sector notices that match, scored for fit. Because codes cover the codes beneath them, adding 90731800 also catches notices classified under its more specific codes.
How to cite this data
Tender Radar (2026) CPV code 90731800: Airborne particle monitoring [Dataset]. Professor AI. Available at: https://tender-radar.co.uk/cpv-codes/90731800-airborne-particle-monitoring (Accessed: 8 November 2026).
Relative dates (such as “in 6 days”) count from 8 November 2026, when this page was built.
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