Magnetic storms on May 18, 2011
Geomagnetic storms on May 18, 2011
No geomagnetic storms were observed on May 18, 2011
Magnetic storms for the last 3 days
Max solar activity on May 18, 2011
Solar radio flux (10.7 cm) = 92
Mean planetary A index = 8
Mean planetary Kp index = 2 (17 nT)