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The visibility sensor at Veenkampen is broken and data is not available until further notice.

Veenkampen now contributes to BirdWeather to collect and publish bird soundscapes and vocalizations. Veenkampen being located in a unique Natura 2000 area hosts many different bird species throughout the year. The BirdNET-Pi records, recognizes and publishes these bird types. You can find our bird data here: https://app.birdweather.com/stations/22043.

2025-10-08 We have added 14 new variables to the database. These meausrements are realized in collaboration with Moisture Matters (https://www.moisture-matters.nl/). The measurements include precipitation throughfall (at the forest floor), a dendrometer (measuring tree circumference), tensiometers (water suction in the forest floor, 6 depths) and soil moisture sensors (6 dephts). Data is available at an hourly…

2025-07-21 We have upgraded all 23 stations in Amsterdam’s Distributed Network with new loggers and processing protocols. All data is now findable and retrievable from the database. Look for the DN_X_y_y_y streams. Data includes air temperature, black globe temperature, relative humidity, wind speed, wind direction, wind gust and leaf wetness. Please check the data documentation…

2025-05-15 We have added > 2 years of data to the AAMS database. It now spans the entire series from installation of the equipment from May 2018 onwards. The flux data from 2018 to 2020 and radiation data from 2018 to 2022 needed extra quality control and processing before being able to be published in…

2025-04-30   We are working on a new logging system for the distributed network in Amsterdam. Data will now be coming in real-time through IoT, quality controlled on our servers and submitted to the MAQ-Observations database. For now, we have 2 stations (Temperature, Relative Humidity, Wind speed, WInd direction, Wind gusts) available. In the coming…

2025-01-14   Today Liander is working on the power grid at Veenkampen. Therefore, there will be limited availability of Veenkampen data for 2025-01-14. We hope to be back online as soon as possible.

As of today, we have published our new measurements of particulate matter from the Beta Absorption Monitor (BAM) 1020 at Veenkampen. Functioning of the device (From Met One Instruments): “At the beginning of each sample hour, a small 14C (carbon-14) source emits a constant source of high-energy electrons (known as beta rays) through a spot…

Veenkampen station experiences a major interruption due to internet failure. The problem started this morning at 0630 UTC and was resolved later in the morning. At 1400 UTC the problem returned and we are working hard to resolve the issue. Needless to say, this has consequences for the availability of near-real time data. The data…

Amsterdam flux database is now extended with data from 2020-10 up to 2022-08. The original database originated back to 2022-11.

Update 15-10-2024 (17:05): Maintenance completed. Operational services are resumed. Maintenance on the back-end server is planned for Tuesday 15-10-2024 (~ 10:00 onwards) until Wednesday 16-10-2024 (~ 16:00). Near-real time data will not be available during this timeframe. Historical data will be available as usual. Once maintenance is finished, we will resume our regular operational services.

We started creating our very own MAQ-Observations GitHub to provide our users with clarity and insight in how we fill our database, and to provide some basic Python API request/post-processing scripts to use our data other than through the web-interface. To this end, we have created a GitHub organization (https://github.com/MAQ-Observations) with two separate repositories: https://github.com/MAQ-Observations/pre-processing…

We have updated our MAQ Data License for the use of the MAQ-Observations data in publications. We have provided references to the three separate databases (Veenkampen, Loobos, Amsterdam) in our Data License.

We have fully migrated our MySQL database (Monday, 2024-04-15). Unfortunately, we had a temporary downtime over the weekend. We thank you for your cooperation and patience.

We will be finalizing the migration of the MAQ-Observations.nl MySQL database this Friday (April 12th). This means that our near-real time data will not be updated. We will resume our near-real time data services in the evening. Historical data will remain available. We are sorry for the inconvenience that this may cause.

We will migrate our database during the coming weeks (up to 12-04-2024). This might cause some inconvenience and downtime of our services.

The Meteorology and Air Quality group of Wageningen University & Research runs three sites, where we collect meteorological and air quality measurements. The three sites are carefully chosen to represent the most frequent land cover types in the Netherlands: Veenkampen has grassland on peat, Loobos has Pine forest and Amsterdam as urban conglomeration. In general,…

We have added 12 new streams for the Loobos site today. This includes 8 Leaf Wetness streams LWmV1 to LWmV8 which can detect the presence of water or ice on an artificial leaf (https://www.campbellsci.com/lws). The data is available from 2023-08-07 onwards and is updated every 10 minutes as usual. These 8 steams have been added…

At Veenkampen we have Teledyne T200 and T400 instruments to measure ozone (O3), nitrogen oxide (NO) and nitrogen dioxide (NO2) as important indicators for air quality. This data is now included in the Veenkampen database and it goes back until January 2022. Feel free to explore our newest data addition to the website. The O3,…