Geomagnetic storms — Dec 04, 2012
Geomagnetic storms in London on Dec 04, 2012
the Earth's magnetosphere was quiet (Kp = 2.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from December 2 to 4, 2012 for mid latitudes
Location — London (geographic coordinates — 51.51 N -0.13 W | time zone UTC+00)

This chart in PNG format — high resolution
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Geomagnetic storms in London in December 2012
Changes in the maximum daily geomagnetic index Kp in December 2012 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 = 3
Index F10.7 = 96