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Magnetic storms on Dec 31, 2011

Geomagnetic storms on Dec 31, 2011

No geomagnetic storms were observed on Dec 31, 2011

Magnetic storms for the last 3 days

Magnetic storms for 3 days

Max solar activity on Dec 31, 2011

Solar radio flux (10.7 cm) = 141

Mean planetary A index = 4

Mean planetary Kp index = 1 (7 nT)