Tender covers supply, installation and support of ozone, nitrogen oxide and particulate analysers, signalling growing demand for integrated air monitoring.
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Institut Scientifique de Service Public has published a contract notice, Air Quality Analyzers Supply, for the acquisition, installation and commissioning of air quality analysers for ozone, nitrogen oxides and particulate matter in Wallonia, together with training and after-sales service.
The notice, published on 11th February 2026, sets out a compact but clear scope. The supplier will be expected to provide new analysers, install and commission them, train users and deliver after-sales support. The contract is therefore framed around delivering functioning measurement capability, not only hardware.
The summary available does not state how many analysers are required or how many locations will be equipped. It does, however, confirm that responsibility extends beyond delivery into making sure the instruments are operational and that staff can use them effectively. That puts the contract in line with a wider pattern in public-sector purchasing of environmental monitoring systems.
In August 2025, for example, Główny Inspektorat Ochrony Środowiska issued a contract notice titled Purchase of PM10/PM2.5 Analyzers. That order also covers continuous, simultaneous measurement at air monitoring stations and bundles in installation, staff training and consumables. The emphasis there, as in Wallonia, is on getting a working monitoring function rather than a simple shipment of devices.
Similar themes appear in other equipment-focused procurements. In September 2025, Gobierno de Zaragoza published a contract for Environmental Pollution Control Equipment, combining the supply and installation of gas and particulate analysers with environmental condition controllers and weather stations. Again, the buyer links instruments, ancillary systems and start-up activities in one package.
Across these notices, environmental authorities and research bodies are increasingly procuring whole monitoring packages rather than standalone instruments. Typical elements include:
The Institut Scientifique de Service Public contract fits squarely into this pattern, signalling demand for suppliers that can take responsibility for the full chain from delivery to day-to-day use.
The Wallonian contract is specific about what must be measured: ozone, nitrogen oxides and particulate matter. These substances recur across many recent air-quality procurements, suggesting they remain central to how authorities design their monitoring networks.
Particulate matter is particularly prominent. The August 2025 tender from Główny Inspektorat Ochrony Środowiska focuses on continuous PM10 and PM2.5 measurement. In January 2026, the Education Procurement Service issued a notice for Automatic Particulate Matter Monitoring, covering the supply, delivery, installation, servicing and maintenance of up to thirty-two analysers for a national ambient air monitoring network. That framework explicitly ties the network to “CAFE Directive requirements”, underlining how particulate data feed into regulatory reporting.
Regional upgrades follow the same line. In December 2025, the Consejería de Agricultura, Ganadería y Desarrollo Sostenible published a contract for an Air Quality Monitoring Equipment Upgrade in Extremadura. That project combines new air-quality measurement equipment with renovation of weather shelters and installation of an uninterrupted power supply system to strengthen the regional monitoring network. Though the pollutants are not listed in the summary, the focus on “air quality measurement equipment” places it in the same space as the particulate and gas monitoring contracts elsewhere.
On the gaseous side, ozone and nitrogen oxides feature repeatedly. In September 2025, the Ministerium für Umwelt, Naturschutz und Verkehr des Landes Nordrhein-Westfalen advertised a contract for Air Quality Measurements covering ammonia, ultrafine particles, nitrogen oxides, ship emissions and ozone precursor substances, structured into three lots. In November 2025, Arpa Piemonte’s Supply of Monitoring Vehicles and Devices sought new ozone, carbon monoxide and BTEX analysers as part of modernising a regional network.
Across these examples, authorities are tracking a wide range of parameters, but ozone, nitrogen oxides and particulates are a consistent thread. By specifying all three, the Institut Scientifique de Service Public contract positions Wallonia’s monitoring activities squarely within this mainstream set of European priorities.
Another clear theme running through recent tenders is the move from simple equipment purchases towards contracts that secure long-term monitoring capability. The Wallonian notice, with its explicit requirements for installation, commissioning, training and after-sales service, sits firmly in this trend.
Framework agreements are one route buyers are using. The January 2026 Education Procurement Service notice for Automatic Particulate Matter Monitoring is framed as a multi-supplier framework agreement that bundles supply, delivery, installation, servicing and maintenance for a national network. In January 2026, Aéroports de Paris pursued a similar model through its Air Analyzers Supply and Maintenance procurement, seeking framework agreements covering supply, installation, connection, commissioning, control and maintenance of single- and multi-gas analysers.
Other buyers focus on building or upgrading defined networks. In August 2025, LUČKA UPRAVA ZADAR launched an Air Quality Monitoring Equipment Supply project for two air quality monitoring stations and five sensor stations at the Port Authority of Zadar. The aim is to establish a reliable system for continuous monitoring and to secure accurate data for emission analysis and pollution reduction. The December 2025 Extremadura upgrade, with its focus on shelters and power supplies alongside new analysers, similarly shows how infrastructure and resilience are now part of air-quality procurement.
Mobility is also gaining ground. In October 2025, NASTAVNI ZAVOD ZA JAVNO ZDRAVSTVO DR. ANDRIJA ŠTAMPAR published a notice for a Mobile Laboratory Procurement, specifying a van with upgrades and instruments for continuous monitoring of air pollutants. A month earlier, Institut lázeňství a balneologie sought a Mobile Air Quality Station to monitor meteorological variables in spa landscapes, including installation, training and warranty service. Arpa Piemonte’s November 2025 procurement combines mobile monitoring vehicles with upgrades to fixed stations, while Tartu Ülikool’s Portable N2O/CO2 Analyzer Purchase from December 2025 focuses on a single portable instrument for research use.
Alongside these equipment-heavy projects, some authorities are procuring monitoring as a service. The September 2025 contract from the Ministerium für Umwelt, Naturschutz und Verkehr des Landes Nordrhein-Westfalen for Air Quality Measurements involves contractors carrying out measurements for a suite of pollutants, divided into three lots, rather than supplying instruments alone.
In this wider context, the Institut Scientifique de Service Public contract is one more sign that the market for air-quality equipment is becoming a market for end-to-end monitoring capability. Suppliers are being asked to install, commission and support analysers, and in some cases to provide the measurements themselves, whether at fixed stations, in mobile laboratories or through portable devices.
On the information released on 11th February 2026, Institut Scientifique de Service Public is seeking an integrated package of ozone, nitrogen oxide and particulate analysers, complete with installation, commissioning, training and after-sales service in Wallonia.
The brief description does not set out contract duration, budget, the number of analysers or the layout of monitoring sites, so key details of scale and risk allocation remain to be seen. Those factors will determine how far the contract extends Wallonia’s measurement capacity and how demanding the service obligations will be for the chosen supplier.
Even so, the notice reinforces three clear trends in air-quality procurement: particulate matter and nitrogen oxides remain core targets; buyers increasingly bundle equipment with installation, training and support; and monitoring solutions now range from national networks to mobile laboratories and specialist portable devices. How this contract is implemented will show how far Wallonia leans into these evolving models of air-quality monitoring.
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