Geomagnetic storms in London on September 22, 2025

September 22, 2025

London change region

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Maximum Kp index on September 22, 2025

Kp = 3+

The Earth's magnetosphere was quiet

Kp = 3+

Changes in the geomagnetic index Kp from September 20 to 22, 2025 for mid latitudes

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

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PNG API: JSON | TXT

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

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

August 2025 October 2025

PNG API: JSON | TXT

Geomagnetic index A_p	13
Solar radio flux F10.7	172