Geomagnetic activity forecast
Yesterday
Tomorrow
Geomagnetic storm forecast in the next 24 hours
the Earth's magnetosphere will be quiet (Kp = 3)
Geomagnetic storm forecast for 3 days
Geomagnetic index Kp forecast from Dec 18, 2025 to Dec 20, 2025 for mid latitudes
Location — London (geographic coordinates — 51.51 N -0.13 W | time zone UTC+00)

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Probability of geomagnetic storms for 3 days
Estimeted probability for Earth's magnetosphere state for 3 days.
Information is provided for mid latitudes for time zone UTC+00
18.12.2025
19.12.2025
20.12.2025
3-day forecast for Ap and F10.7 indices
Estimated values of Ap and F10.7 indices for 3 days for time zone UTC+00
| 18.12.2025 | 19.12.2025 | 20.12.2025 | |
|---|---|---|---|
| Ap | 15 | 12 | 10 |
| F10.7 | 120 | 115 | 115 |
Geomagnetic storm forecast for a month
Forecast of the daily maximal value of geomagnetic index Kp for 1 month (31 days)
Information is provided for mid latitudes (time zone UTC+00)

This chart in PNG format — high resolution
API data: JSON or TXT
