Geomagnetic storms in Thunder bay in October 2025
Time zone — UTC−04 — summer time (Thunder bay | 48.42 N 89.28 W)
Geomagnetic storm calendar in October 2025 by time in Thunder bay
Days with magnetic storms — 6 Days with geomagnetic disturbances — 8
Ap and F10.7 index values in October 2025
Maximum value of the Ap index for the month — 50 Maximum value of the F10.7 index for the month — 184 Maximum value of the Kp index for the month — 7-