Geomagnetic storms — Aug 14, 2018
Geomagnetic storms in London on Aug 14, 2018
the Earth's magnetosphere was quiet (Kp = 2.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from August 12 to 14, 2018 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 August 2018
Changes in the maximum daily geomagnetic index Kp in August 2018 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 = 4
Index F10.7 = 69