Geomagnetic storms in Harrisburg in September 2026
Time zone — UTC−05 — summer time (Harrisburg | 40.27 N 76.88 W)
Geomagnetic storm calendar in September 2026 by time in Harrisburg
Days with magnetic storms — 1 Days with geomagnetic disturbances — 5
Ap and F10.7 index values in September 2026
Maximum value of the Ap index for the month — 29 Maximum value of the F10.7 index for the month — 121 Maximum value of the Kp index for the month — 5