Geomagnetic storm forecast for London

May 21, 2026

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Geomagnetic storm forecast for London for May 21, 2026

the Earth's magnetosphere was expected to be calm (Kp = 3)

the Earth's magnetosphere was expected to be calm (Kp = 3)

Geomagnetic index Kp forecast from May 21 to 23, 2026 for mid latitudes

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

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Estimated probability of geomagnetic storms and disturbances from May 21 to 23, 2026.

Information is provided for mid latitudes for time zone UTC+00

May 21, 2026 Probability of geomagnetic storms May 21, 2026

May 22, 2026 Probability of geomagnetic storms May 22, 2026

May 23, 2026 Probability of geomagnetic storms May 23, 2026

Estimated values of Ap and F10.7 indices from May 21 to 23, 2026 for time zone UTC+00

	May 21, 2026	May 22, 2026	May 23, 2026
Ap	8	10	12
F10.7	140	145	145

Forecast of the daily maximum value of geomagnetic index Kp from May 21 to June 20, 2026 (31 days).

Information is provided for mid latitudes (time zone UTC+01)

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