OMNI 27-Day Data Set

Published by NASA Space Physics Data Facility (SPDF) Data Services | National Aeronautics and Space Administration | Metadata Last Checked: September 14, 2025 | Last Modified: 2025-09-10

27-day averaged, multi-source, near-Earth solar wind magnetic field, plasma and energetic proton flux data, plus AE, AU, AL, Kp, ap, and Dst geomagnetic indices, Polar Cap (Thule) index, F10.7 index, and Rz (sunspot number). Also available at 1-hour and 1-day resolution.

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Complete Metadata

bureauCode	[ "026:00" ]
identifier	https://doi.org/10.48322/nmh3-jf75
landingPage	https://doi.org/10.48322/nmh3-jf75
programCode	[ "026:000" ]
temporal	1963-11-02/1963-11-02
theme	[ "Heliophysics" ]