Maximum Kp index on December 31, 2017
Kp = 4
Maximum Kp index on December 31, 2017
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Springfield on December 31, 2017
Time zone — UTC−06 (Springfield | 39.78 N 89.65 W)
Geomagnetic storms in Springfield in December 2017
Time zone — UTC−06 (Springfield | 39.78 N 89.65 W)
Geomagnetic activity indices on December 31, 2017
| Geomagnetic index Ap | 4 |
|---|---|
| Solar radio flux F10.7 | 71 |