Active Stations

Station NameStation CodeLatitudeLongitudeElevation (m)
Alert, NWT, CanadaALT82.3 °N62.3 °W210
Barrow, AlaskaBRW71.3 °N156.8 °W3
Cold Bay, AlaskaCBA55 °N163 °W42
La Jolla Pier, CaliforniaLJO32.9 °N117.3 °W10
Mauna Loa Observatory, HawaiiMLO19.5 °N155.6 °W3397
Cape Kumukahi, HawaiiKUM19.5 °N154.8 °W3
American SamoaSAM14.5 °S170 °W30
Cape Grim, AustraliaCGO41 °S150 °E91
Palmer Station, AntarcticaPSA65 °S64 °W2835
South Pole, AntarcticaSPO90 °S0 °E2810

Legacy Stations

Station NameStation CodeLatitudeLongitudeElevation (m)
Macquarie IslandMCQ54 °S159 °E94
Niwot RidgeNWR40 °N105 °W3749

Usage Restrictions

Scripps O2 program data and graphics are licensed under a CC BY license, Creative Commons Attribution 4.0 International License (, which clarifies appropriate uses and requirements, including that credit be given to the Scripps Institution of Oceanography at UC San Diego.

Ethical usage may also require disclosing intentions at early stages to avoid duplicating ongoing studies at Scripps or elsewhere. For applications supporting peer-reviewed scientific publications, coauthorship may sometimes be appropriate. An example would be if an important result or conclusion depends on this product, such as the first account of a previously unreported phenomenon.

Please direct queries to Ralph Keeling (