Geomagnetic storm forecast for Reykjavik on September 15, 2025

September 15, 2025

Reykjavik change region

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Forecast for September 15, 2025

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

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

Geomagnetic index Kp forecast from September 15 to 17, 2025 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 September 15 to 17, 2025.

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

Sep 15, 2025 Probability of geomagnetic storms Sep 15, 2025

Sep 16, 2025 Probability of geomagnetic storms Sep 16, 2025

Sep 17, 2025 Probability of geomagnetic storms Sep 17, 2025

Estimated values of Ap and F10.7 indices from September 15 to 17, 2025 for time zone UTC+00

	Sep 15, 2025	Sep 16, 2025	Sep 17, 2025
Ap	20	15	10
F10.7	130	135	125

Forecast of the daily maximum value of geomagnetic index Kp from September 15 to October 15, 2025 (31 days).

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

PNG API: JSON | TXT