Maximum Kp index on December 15, 2025
Kp = 3+
Maximum Kp index on December 15, 2025
The Earth's magnetosphere was quiet
Kp = 3+
Geomagnetic storms in Concord on December 15, 2025
Time zone — UTC−05 (Concord | 43.22 N 71.55 W)
Geomagnetic storms in Concord in December 2025
Time zone — UTC−05 (Concord | 43.22 N 71.55 W)
Geomagnetic activity indices on December 15, 2025
| Geomagnetic index Ap | 6 |
|---|---|
| Solar radio flux F10.7 | 118 |