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Geomagnetic storm forecast — September 18, 2026

September 18, 2026

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UTC+00
Home Geomagnetic storm forecast September 18, 2026

Geomagnetic storm forecast for September 18, 2026

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

Geomagnetic storm forecast for September 18, 2026

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

Geomagnetic storm forecast for three days from September 18, 2026

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

Time zone — UTC+00

Geomagnetic index Kp forecast for three days
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Probability of geomagnetic storms for three days from September 18, 2026

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

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

Sep 18, 2026 Probability of geomagnetic storms Sep 18, 2026
Sep 19, 2026 Probability of geomagnetic storms Sep 19, 2026
Sep 20, 2026 Probability of geomagnetic storms Sep 20, 2026

Forecast of Ap and F10.7 indices for three days from September 18, 2026

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

  Sep 18, 2026 Sep 19, 2026 Sep 20, 2026
Ap 12 8 8
F10.7 95 90 90

Geomagnetic storm forecast for a month from September 18, 2026

Forecast of the daily maximum value of geomagnetic index Kp from September 18 to October 18, 2026 (31 days).

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

Geomagnetic index Kp forecast for the next month
PNG API: JSON | TXT