Solar activity was at moderate levels. Overall, activity increased considerably during the period. Two M-class events were reported. An M1/Sf flare with an accompanying Type II radio sweep occurred at 24/0138 UTC from Region 9376 (S13W90) as it was rotating over the western limb. Region 9390 (N15E19) produced a long duration M1/2F event at 24/1955 UTC. Other active regions of note were 9389 (S13E26), 9393 (N20E54), and 9397 (S09E76). Four new regions were numbered: 9394 (N09E48), 9395 (S12E63), 9396 (S06W04), and 9397. The Pentiction 10.7 cm Flux reading of 219 was flare enhanced by the M1/2F long duration event.

Solar activity is expected to be low to moderate. Regions 9389, 9390, and 9393 could produce isolated major event level flares.

The geomagnetic field was quiet to active.

The geomagnetic field is expected to be quiet to unsettled.

  觀測的       24 Mar 219
  預測的   25 Mar-27 Mar  200/200/200
  90天平均值        24 Mar 159

  觀測的 Afr/Ap 23 Mar  017/021
  估算值     Afr/Ap 24 Mar  015/015
  預測的    Afr/Ap 25 Mar-27 Mar  012/012-010/012-005/008