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

 CO₂ _ WLG2015 _ surface - insitu _ CMA _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-18	0013-2015-1001-01-01-9999 -2025-01-01-0013	The latest version
2024-07-09	0013-2015-1001-01-01-9999 -2024-06-14-0938#20	Included in Yearly Fixed Dataset 2024
2023-03-20	0013-2015-1001-01-01-9999 -2023-02-01-0950#19	Included in Yearly Fixed Dataset 2023
2022-12-14	0013-2015-1001-01-01-9999 -2022-12-14-0815
2020-08-26	0013-2015-1001-01-01-9999 -2020-07-20-1750#18	Included in Yearly Fixed Dataset 2022
2019-12-09	0013-2015-1001-01-01-9999 -2019-12-06-0855
2019-09-03	0013-2015-1001-01-01-9999 -2019-09-02-1518#15
2019-06-25	0013-2015-1001-01-01-9999 -2019-06-24-1512	Included in Yearly Fixed Dataset 2019
2018-07-30	0013-2015-1001-01-01-9999 -2018-07-24-2007#14	Included in Yearly Fixed Dataset 2018
2018-06-08	0013-2015-1001-01-01-9999 -2018-03-15-1109