Samen Meten measuring points by project: most Luftdaten (6,103 measuring points), then Palmes and Luchtclub

Samen Meten measuring points by project, October 2026, in measuring points. Total: 12,439; the largest 12 of 60 categories are shown. Luftdaten is 49% of the total. A measuring point is a sensor box or, in the Palmes projects, a tube that measures nitrogen dioxide. All points in the API are counted, including those no longer measuring.

Source: RIVM, Samen Meten (SensorThings API) · opgehaald 25 oktober 2026 · selection: Things, gegroepeerd op properties/projectOpen the table Single block

These figures come from

Samen Meten (RIVM)

Rijksinstituut voor Volksgezondheid en Milieu

Citizens, municipalities and researchers put up their own sensor boxes; RIVM collects their measurements in the Samen Meten data portal and produces calibrated series for particulate matter. On 16 October 2026 the API held 12,419 measuring points with 56,391 data streams: particulate matter (PM10, PM2.5), nitrogen dioxide, ammonia, temperature, humidity and air pressure, per hour. The largest group is Luftdaten (6,099 points).

This block is an example of what you can show with this source. Open the source itself to look further, pick other figures or use the data in your own work.

Open the table at RIVM The API call behind this block All about this source

Access: Open
Licence: niet vastgesteld ("Onze data zijn Open Data", zonder licentienaam)
Table: SensorThings Things
Latest figure: oktober 2026
Fetched: 25 October 2026

Fetch exactly these figures yourself

curl "https://api-samenmeten.rivm.nl/v1.0/Things?\$filter=properties/project%20eq%20'Smartcitizen'&\$count=true&\$top=0"

curl "https://api-samenmeten.rivm.nl/v1.0/Things?\$top=200&\$select=properties&\$count=true"

Samen Meten measuring points by project: most Luftdaten (6,103 measuring points), then Palmes and Luchtclub

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