Geomagnetic storms in Helsinki in September 2017
Time zone — UTC+03 — summer time (Helsinki | 60.18 N 24.93 E)
Geomagnetic storm calendar in September 2017 by time in Helsinki
Days with magnetic storms — 12 Days with geomagnetic disturbances — 7
Ap and F10.7 index values in September 2017
Maximum value of the Ap index for the month — 96 Maximum value of the F10.7 index for the month — 140 Maximum value of the Kp index for the month — 8