Geomagnetic storms — Sep 30, 2025
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Geomagnetic storms in London on Sep 30, 2025
geomagnetic storm was occured — level G3.3 (Kp = 7.33)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from September 28 to 30, 2025 for mid latitudes
Location — London (geographic coordinates — 51.51 N -0.13 W | time zone UTC+01 - summer time)
This chart in PNG format — high resolution
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Geomagnetic storms in London in September 2025
Changes in the maximum daily geomagnetic index Kp in September 2025 for mid latitudes
Location — London (geographic coordinates — 51.51 N -0.13 W | time zone UTC+01 - summer time)
This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 67
Index F10.7 = 188