Geomagnetic storms in London — September 20, 2025

September 20, 2025

London change region

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Geomagnetic storms in London on September 20, 2025

Kp = 2

The Earth's magnetosphere was quiet on September 20, 2025

Kp = 2

Changes in the geomagnetic index Kp from September 18 to 20, 2025 for mid latitudes

Location — London (geographic coordinates — 51.51 N 0.13 W | time zone UTC+01 — summer time)

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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)

August 2025 October 2025

PNG API: JSON | TXT

Value of geomagnetic index A_p	5
Value of geomagnetic index F10.7	166