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

 CO _ BRM6413 _ tower - insitu _ Empa _ tower5

Updated Date	Version † met : with meteorological data	Details
2026-07-02	0023-6413-3001-02-01-6006 -2026-06-26-1317† met	The latest version
2025-08-27	0023-6413-3001-02-01-6006 -2025-08-22-2222† met	Included in Yearly Fixed Dataset 2025