via the ARRL: The ARRL Solar Update

Solar activity has been at low levels with only C-class flares
produced by Regions 4401, 4405, and 4409. There were 9 numbered
active regions on the solar disk, with 4409 showing the most
significant growth during the period and producing the largest flares
on April 1. A new region emerged but it has not yet been numbered.
 
Multiple filaments erupted during the day on April 1, producing
coronal mass…

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