Archive
Historical Space Weather Database
A searchable record of history's most significant solar flares and geomagnetic storms — from the Carrington Event of 1859 to the Gannon Storm of 2024.
Kp0Kp9 / G5
Archive
A searchable record of history's most significant solar flares and geomagnetic storms — from the Carrington Event of 1859 to the Gannon Storm of 2024.