Geomagnetic storms — Jul 25, 2016
Geomagnetic storms in London on Jul 25, 2016
geomagnetic disturbances were observed (Kp = 4.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from July 23 to 25, 2016 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 July 2016
Changes in the maximum daily geomagnetic index Kp in July 2016 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 = 18
Index F10.7 = 74