Magnetic storms on Jul 20, 2011
Geomagnetic storms on Jul 20, 2011
No geomagnetic storms were observed on Jul 20, 2011Magnetic storms for the last 3 days
Max solar activity on Jul 20, 2011
Solar radio flux (10.7 cm) = 100
Mean planetary A index = 18
Mean planetary Kp index = 4 (53 nT)