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

 CO₂ _ SMO5009 _ surface - insitu _ NOAA _ ccgg

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-25	0002-5009-1001-01-01-3001 -2025-01-01-0002	The latest version
2024-08-30	0002-5009-1001-01-01-3001 -2024-08-19-0748#20	Included in Yearly Fixed Dataset 2024
2024-02-27	0002-5009-1001-01-01-3001 -2024-02-20-0949
2024-02-02	0002-5009-1001-01-01-3001 -2024-02-02-0121
2023-08-25	0002-5009-1001-01-01-3001 -2023-08-25-0726#19	Included in Yearly Fixed Dataset 2023
2022-08-18	0002-5009-1001-01-01-3001 -2022-08-03-1045#18	Included in Yearly Fixed Dataset 2022
2021-08-10	0002-5009-1001-01-01-3001 -2021-08-10-1200#17	Included in Yearly Fixed Dataset 2021
2020-08-31	0002-5009-1001-01-01-3001 -2020-08-27-0658#16	Included in Yearly Fixed Dataset 2020
2019-08-27	0002-5009-1001-01-01-3001 -2019-07-31-0900#15	Included in Yearly Fixed Dataset 2019
2018-10-16	0002-5009-1001-01-01-3001 -2018-10-11-0830#14	Included in Yearly Fixed Dataset 2018
2018-06-26	0002-5009-1001-01-01-3001 -2018-03-08-1011