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

 N₂O _ CGO5011 _ surface - insitu _ AGAGE _ ale

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-27	0004-5011-1003-01-01-2001 -2025-01-01-0004	The latest version
2022-08-23	0004-5011-1003-01-01-2001 -2022-08-19-1802#20	Included in Yearly Fixed Dataset 2024
2020-08-25	0004-5011-1003-01-01-2001 -2020-08-04-0923#17	Included in Yearly Fixed Dataset 2021
2019-09-09	0004-5011-1003-01-01-2001 -2019-08-30-1911#15	Included in Yearly Fixed Dataset 2019
2019-06-25	0004-5011-1003-01-01-2001 -2019-05-07-1651
2018-06-13	0004-5011-1003-01-01-2001 -2018-02-13-0936#14	Included in Yearly Fixed Dataset 2018