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

 CO₂ _ WSA4019 _ surface - insitu _ ECCC _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-19	0020-4019-1001-01-01-9999 -2025-01-01-0020	The latest version
2024-07-19	0020-4019-1001-01-01-9999 -2024-07-16-1038#20	Included in Yearly Fixed Dataset 2024
2023-09-01	0020-4019-1001-01-01-9999 -2023-08-31-0904#19	Included in Yearly Fixed Dataset 2023
2022-09-02	0020-4019-1001-01-01-9999 -2022-08-29-1009#18	Included in Yearly Fixed Dataset 2022
2021-08-18	0020-4019-1001-01-01-9999 -2021-08-10-1436#17	Included in Yearly Fixed Dataset 2021
2020-11-18	0020-4019-1001-01-01-9999 -2020-11-09-0226
2019-09-03	0020-4019-1001-01-01-9999 -2019-09-02-1446#16	Included in Yearly Fixed Dataset 2020
2019-08-22	0020-4019-1001-01-01-9999 -2019-08-16-0719	Included in Yearly Fixed Dataset 2019
2018-10-25	0020-4019-1001-01-01-9999 -2018-10-24-0659#14	Included in Yearly Fixed Dataset 2018
2018-10-23	0020-4019-1001-01-01-9999 -2018-10-19-1633
2018-06-13	0020-4019-1001-01-01-9999 -2018-03-22-1202