Magnetic storms on Jul 31, 2011
Geomagnetic storms on Jul 31, 2011
No geomagnetic storms were observed on Jul 31, 2011Magnetic storms for the last 3 days
Max solar activity on Jul 31, 2011
Solar radio flux (10.7 cm) = 119
Mean planetary A index = 13
Mean planetary Kp index = 3 (33 nT)