Historical database of propagation indexes

This database contains information of the geomagnetic Kp and ap indexes at 3 hour intervals since 1932, plus the resulting Ap index. It also contains daily details of SSN (Sun spots) and SFI (Solar flux) since 1947. (Brief description of propagation indexes)


Show data from until

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This database is not updated in real time yet, but most recent indexes will be added regulary. Currently contains information up to 31-July-2003

 
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