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Data portal for the Sentinel 5P Product Algorithm Laboratory is live

S5P-PAL is the Product Algorithm Laboratory for Sentinel-5P, one of the Copernicus Sentinel missions. It is a cloud environment service created by Science & Technology (S&T) and funded by the European Union and the European Space Agency (ESA). Developers of S5P data processors (the atmospheric science community like KNMI, BIRA-IASB, DLR, etc.) can test their software and have it qualified (by S&T) before eventual operational deployment.

We would like to share that in December, S&T got an extension of the original PAL contract. As part of this extension the service now also supports (pre-)operational data-driven processing, i.e. not reprocessing fixed time spans of archived data, but immediately processing live satellite data as it comes in, orbit by orbit.

A second major feature is that we went live with the S5P-PAL Data Portal (include link: ), a public website where anybody can freely download the product files resulting from processing done in PAL. We are for instance hosting three years of TROPOMI NO2 data reprocessed by the latest version of the KNMI L2 processor and more products are in the pipeline. In less than three months since December people from all over the world have already downloaded more than 515,000 files from our portal, which totals to just over 275 TB!

Soon, the NO2 maps on the Copernicus Sentinel-5P Mapping Portal (include link:, which is a component of the S5P-PAL service, will be updated to include the results of the reprocessed NO2 data.