Geomagnetic storms in Boston in September 2026
Time zone — UTC−04 — summer time (Boston | 42.24 N 71.03 W)
Geomagnetic storm calendar in September 2026 by time in Boston
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