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

 CO₂ _ LMP6051 _ surface - insitu _ ENEA _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-23	0024-6051-1001-01-01-9999 -2025-01-01-0024	The latest version
2023-10-03	0024-6051-1001-01-01-9999 -2023-10-03-1409#20	Included in Yearly Fixed Dataset 2024
2021-06-25	0024-6051-1001-01-01-9999 -2021-06-23-1922#19	Included in Yearly Fixed Dataset 2023
2020-11-17	0024-6051-1001-01-01-9999 -2020-08-27-1717