Maximum Kp index on December 28, 2011
Kp = 2
Maximum Kp index on December 28, 2011
The Earth's magnetosphere was quiet
Kp = 2
Geomagnetic storms in Springfield on December 28, 2011
Time zone — UTC−06 (Springfield | 39.78 N 89.65 W)
Geomagnetic storms in Springfield in December 2011
Time zone — UTC−06 (Springfield | 39.78 N 89.65 W)
Geomagnetic activity indices on December 28, 2011
| Geomagnetic index Ap | 4 |
|---|---|
| Solar radio flux F10.7 | 145 |