Geomagnetic storms in London in July 2009
Location — London 51.51 N 0.13 W | time zone UTC+01 — summer time
Geomagnetic storm calendar in July 2009 by time in London
Days with magnetic storms — 1 Days with geomagnetic disturbances — 2
Ap and F10.7 index values in July 2009
Maximum value of the Ap index for the month — 24 Maximum value of the F10.7 index for the month — 72