Geomagnetic storms in London — December 11, 2025

December 11, 2025

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Geomagnetic storms in London on December 11, 2025

Kp = 5.67

A geomagnetic storm was recorded on December 11, 2025 — level G1.7

Kp = 5.67

Changes in the geomagnetic index Kp from December 9 to 11, 2025 for mid latitudes

Location — London (geographic coordinates — 51.51 N 0.13 W | time zone UTC+00)

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PNG API: JSON | TXT

Changes in the maximum daily geomagnetic index Kp in December 2025 for mid latitudes

Location — London (geographic coordinates — 51.51 N 0.13 W | time zone UTC+00)

November 2025 January 2026

PNG API: JSON | TXT

Value of geomagnetic index A_p	26
Value of geomagnetic index F10.7	146