Maximum Kp index on December 31, 2009
Kp = 0
Maximum Kp index on December 31, 2009
The Earth's magnetosphere was quiet
Kp = 0
Geomagnetic storms on December 31, 2009
Time zone — UTC+00
Geomagnetic storms in December 2009
Time zone — UTC+00
Geomagnetic activity indices on December 31, 2009
| Geomagnetic index Ap | 1 |
|---|---|
| Solar radio flux F10.7 | 80 |