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

 CO₂ _ FRF1012 _ surface - insitu _ EMA _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-18	0022-1012-1001-01-01-9999 -2025-01-01-0022	The latest version
2022-06-10	0022-1012-1001-01-01-9999 -2020-08-17-2048	Included in Yearly Fixed Dataset 2024
2021-12-21	0022-1012-1001-01-01-9999 -2021-12-08-1048
2019-09-03	0022-1012-1001-01-01-9999 -2019-06-28-0637	Included in Yearly Fixed Dataset 2021
2019-02-22	0022-1012-1001-01-01-9999 -2019-01-09-1144	Included in Yearly Fixed Dataset 2019