Geomagnetic and Solar index

PURPOSE: This file distributes the geomagnetic planetary three-hour index Kp and associated geomagnetic indices as well as relevant solar indices.

LICENSE: CC BY 4.0lo calculan de magne, except for the sunspot numbers contained in this file, which have the CC BY-NC 4.0 license

SOURCE: Geomagnetic Observatory Niemegk, GFZ German Research Centre for Geosciences

PLEASE CITE: Matzka, J., Stolle, C., Yamazaki, Y., Bronkalla, O. and Morschhauser, A., 2021. The geomagnetic Kp index and derived indices of geomagnetic activity. Space Weather

Sunspot Number

LICENSE: CC BY-NC4.0

SOURCE: WDC-SILSO, Royal Observatory of Belgium, Brussels