Maximum Kp index on December 4, 2025
Kp = 5
Maximum Kp index on December 4, 2025
A geomagnetic storm was recorded — level G1
Kp = 5
Geomagnetic storms in Detroit on December 4, 2025
Time zone — UTC−05 (Detroit | 42.38 N 83.1 W)
Geomagnetic storms in Detroit in December 2025
Time zone — UTC−05 (Detroit | 42.38 N 83.1 W)
Geomagnetic activity indices on December 4, 2025
| Geomagnetic index Ap | 32 |
|---|---|
| Solar radio flux F10.7 | 220 |