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Magnetic storms on Dec 21, 2010

Geomagnetic storms on Dec 21, 2010

No geomagnetic storms were observed on Dec 21, 2010

Magnetic storms for the last 3 days

Magnetic storms for 3 days

Max solar activity on Dec 21, 2010

Solar radio flux (10.7 cm) = 78

Mean planetary A index = 8

Mean planetary Kp index = 1 (9 nT)