See the data version history.
The data of old versions are available only if the versions are included in Yearly fixed datasets.

 CO _ ARN6083 _ tower - insitu _ ICOS _ tower50

Updated Date	Version † met : with meteorological data	Details
2026-09-24	0162-6083-3001-02-01-6051 -2026-08-27-0003	The latest version