Geomagnetic storm forecast for Reykjavik on May 18, 2026

May 18, 2026

Reykjavik change region

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Forecast for May 18, 2026

geomagnetic storm was expected — level G1 (Kp = 5)

geomagnetic storm was expected — level G1 (Kp = 5)

Geomagnetic index Kp forecast from May 18 to 20, 2026 for mid latitudes

Time zone — UTC+00 (Reykjavik | geographic coordinates — 64.15 N 21.95 W)

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Estimated probability of geomagnetic storms and disturbances from May 18 to 20, 2026.

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

May 18, 2026 Probability of geomagnetic storms May 18, 2026

May 19, 2026 Probability of geomagnetic storms May 19, 2026

May 20, 2026 Probability of geomagnetic storms May 20, 2026

Estimated values of Ap and F10.7 indices from May 18 to 20, 2026 for time zone UTC+00

	May 18, 2026	May 19, 2026	May 20, 2026
Ap	15	5	5
F10.7	135	135	140

Forecast of the daily maximum value of geomagnetic index Kp from May 18 to June 17, 2026 (31 days).

Information is provided for mid latitudes (region — Reykjavik | time zone UTC+00)

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