Distribution of Argo floats with an oxygen sensor

GLODAPv2: annual average (1972-2013) dissolved oxygen concentration between 0-500m

World Ocean Atlas 2023 Climatology (1965-2022)
Dissolved oxygen objectively analyzed mean at 200 meters depth

To view more dissolved oxygen climatological fields in a variety of grids, time spans, fields, time periods, and depths, please go to the World Ocean Atlas page.