Geomagnetic storms in Chicago in July 2011
Time zone — UTC−05 — summer time (Chicago | 41.84 N 87.68 W)
Geomagnetic storm calendar in July 2011 by time in Chicago
Days with magnetic storms — 4 Days with geomagnetic disturbances — 6
Ap and F10.7 index values in July 2011
Maximum value of the Ap index for the month — 19 Maximum value of the F10.7 index for the month — 119 Maximum value of the Kp index for the month — 5