• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1975-01-01T00:00:00.000+00:00

PC is an index for magnetic activity in the (P)olar (C)ap. It is based on data from a single nearpole station, and aimed to monitor the polar cap magnetic activity generated by such solar wind...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

Hourly 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...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

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...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

Daily 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...

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