Magnetic storms on Jul 21, 2011
Geomagnetic storms on Jul 21, 2011
No geomagnetic storms were observed on Jul 21, 2011Magnetic storms for the last 3 days
Max solar activity on Jul 21, 2011
Solar radio flux (10.7 cm) = 100
Mean planetary A index = 17
Mean planetary Kp index = 3 (33 nT)