Magnetic storms on Dec 21, 2010
Geomagnetic storms on Dec 21, 2010
No geomagnetic storms were observed on Dec 21, 2010Magnetic storms for the last 3 days
Max solar activity on Dec 21, 2010
Solar radio flux (10.7 cm) = 78
Mean planetary A index = 8
Mean planetary Kp index = 1 (9 nT)