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

 CCl₄ _ CMN6042 _ surface - insitu _ AGAGE _ gc-ms-medusa

Updated Date	Version † met : with meteorological data	Details
2026-08-31	0004-6042-1201-01-01-2023 -2026-08-10-0004	The latest version
2025-08-18	0004-6042-1201-01-01-2023 -2025-08-12-1505	Included in Yearly Fixed Dataset 2025