Geomagnetic activity forecast in Hartford
Yesterday
Tomorrow
Geomagnetic storm forecast in Hartford in the next 24 hours
the Earth's magnetosphere will be quiet (Kp = 1.67)
Geomagnetic storm forecast for 3 days
Geomagnetic index Kp forecast from Nov 19, 2025 to Nov 21, 2025 for mid latitudes
Location — Hartford (geographic coordinates — 41.77 N -72.68 W | time zone UTC-05)

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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
19.11.2025
20.11.2025
21.11.2025
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
| 19.11.2025 | 20.11.2025 | 21.11.2025 | |
|---|---|---|---|
| Ap | 10 | 8 | 12 |
| F10.7 | 115 | 115 | 110 |
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-05)

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API data: JSON or TXT
