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Magnetic storms in December 2021

Geomagnetic activity per month

Click column of day to view detailed information.
Geomagnetic storms in December 2021
Region - UTC+0:00
  • geomagnetic calm
  • geomagnetic disturbances
  • geomagnetic storm
  • G1 - minor storm
  • G2 - moderate storm
  • G3 - strong storm
  • G4 - severe storm
  • G5 - extreme storm
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Maximum of solar activity in December 2021

Solar radio flux (10.7 cm) = 140

Mean planetary A index = 18

Mean planetary Kp index = 5 (95 nT)

Geomagnetic conditions by day during the month

Use arrows below the graph to navigate and view detailed information.
Geomagnetic conditions
Region - UTC+0:00
  • geomagnetic calm
  • geomagnetic disturbances
  • geomagnetic storm
  • G1 - minor storm
  • G2 - moderate storm
  • G3 - strong storm
  • G4 - severe storm
  • G5 - extreme storm