• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1955-01-01T00:00:00.000+00:00

The Geomagnetic Indices Bulletin is a one page sheet containing the magnetic indices Kp, Ap, Cp, An, As, Am and the provisional aa indices. The bulletin is published monthly.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1957-01-01T00:00:00.000+00:00

The geomagnetic aa indices are the continuation of the series beginning in the year 1868. A full description of these indices is given in the International Association of Geomagnetism and Aeronomy...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1959-01-01T00:00:00.000+00:00

The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives on a monthly basis, the KM, KN, KS indices from Institue De Physique Du Globe, Paris,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1998-05-13T00:00:00.000+00:00

A full description of the indices Kn, Ks, Km is given in a monography,"Indices Kn, Ks et Km, 1964-1967", edited in 1968 by the Centre National de la Recherche Scientifique, 15 quai Anatole,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1968-01-01T00:00:00.000+00:00

The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives, on a monthly basis, indices that are based on the data from two approximately...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1957-01-01T00:00:00.000+00:00

The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives, on a monthly basis, Q indices from Sodankyla. These data are available from July 1957...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2015-09-18T00:00:00.000+00:00

The file is comprised of monthly DST indices. These indices are derived from a network of eight stations in the equatorial latitudes. Hourly DST indices provide an index of geomagnetic activity as...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1957-01-01T00:00:00.000+00:00

This data file consists of Kp indices, Ap indices, Cp indices, C9 indices, sunspot number, and 10.7 cm flux. The most often requested parameter of this file are the Kp indices. These planetary...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1976-01-01T00:00:00.000+00:00

The Auroral Electrojet index (AE) is designed to provide a global quantitative measure of auroral zone magnetic activity produced by enhanced ionospheric currents flowing below and within the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1965-01-01T00:00:00.000+00:00

The Auroral Electrojet (AE) index is designed to provide a global quantitative measure of auroral zone magnetic activity produced by enhanced ionospheric currents flowing below and within the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1976-01-01T00:00:00.000+00:00

The AE index is derived from geomagnetic variations in the horizontal component observed at selected (10-13) observatories along the auroral zone in the northern hemisphere. To normalize the data...

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

The Auroral Electrojet index (AE) is designed to provide a global quantitative measure of auroral zone magnetic activity produced by enhanced ionospheric currents flowing below and within the...

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

High resolution (1-min), multi-source, near-Earth solar wind magnetic field and plasma data as shifted to Earth's bow shock nose, plus several 1-min geomagnetic activity indices.

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

Near-Earth Heliospheric Data, OMNI, Definitive Multispacecraft Interplanetary Parameters Data, 1 min averagedAdditional information for all parameters are available from OMNI Data Documentation:...

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

Near-Earth Heliospheric Data, OMNI, Definitive Multispacecraft Interplanetary Parameters Data, 5 min averagedAdditional information for all parameters are available from OMNI Data Documentation:...

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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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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-09-01T00:00:00.000+00:00

Solar-Geophysical Data (SGD) reports were a comprehensive compilation of many different kinds of observational data of the sun's activity and its effects on the Earth. Data from the worldwide...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-01

The Nimbus-4 BUV Level-1 Dark Current Study Working Data is derived from the BUV Level 1 Radiance (RUT) product and contains the geophysical indices and classification, geographic and geomagnetic...

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