DataHub v1 is the original DataHub catalog of 11,000+ open datasets, now migrated to PortalJS Arc.
Dataset

Vostok Ice Core CO2 Data

Carbon-dioxide concentration and gas age from the Vostok Ice Cores to 414,000 years before present.

About

Carbon-dioxide concentration and gas age from the Vostok Ice Cores to 414,000 years before present.

More detailed data is available from the web page.

Part of the Ice Core Gateway

See also the Vostok historical temperature reconstruction.

Download & API
co2nat.txttxt
Gas Age and CO2 concentration
Sources & license