Geomagnetic storms — Oct 11, 2008
Geomagnetic storms in London on Oct 11, 2008
geomagnetic storm was occured — level G3.0 (Kp = 7.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from October 9 to 11, 2008 for mid latitudes
Location — London (geographic coordinates — 51.51 N -0.13 W | time zone UTC+00)

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Geomagnetic storms in London in October 2008
Changes in the maximum daily geomagnetic index Kp in October 2008 for mid latitudes
Location — London (geographic coordinates — 51.51 N -0.13 W | time zone UTC+00)

This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 37
Index F10.7 = 71