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

 HCFC-142b _ CGO5011 _ surface - insitu _ AGAGE _ gc-ms

Updated Date	Version † met : with meteorological data	Details
2025-08-18	0004-5011-1402-01-01-2022 -2025-08-14-0800	The latest version
2024-12-27	0004-5011-1402-01-01-2022 -2025-01-01-0004
2024-07-25	0004-5011-1402-01-01-2022 -2024-07-19-1311	Included in Yearly Fixed Dataset 2024
2023-08-17	0004-5011-1402-01-01-2022 -2023-08-14-1452	Included in Yearly Fixed Dataset 2023
2022-07-22	0004-5011-1402-01-01-2022 -2022-07-11-1443	Included in Yearly Fixed Dataset 2022
2021-05-18	0004-5011-1402-01-01-2022 -2021-04-21-1329	Included in Yearly Fixed Dataset 2021
2020-07-31	0004-5011-1402-01-01-2022 -2020-07-28-2001	Included in Yearly Fixed Dataset 2020
2019-09-04	0004-5011-1402-01-01-2022 -2019-08-30-1900	Included in Yearly Fixed Dataset 2019
2019-07-31	0004-5011-1402-01-01-2022 -2019-07-30-1634
2019-06-25	0004-5011-1402-01-01-2022 -2019-05-07-1651
2018-09-28	0004-5011-1402-01-01-2022 -2018-09-17-1253	Included in Yearly Fixed Dataset 2018
2018-06-13	0004-5011-1402-01-01-2022 -2018-02-14-1232