Event Dime

ARRL Solar Update

Events
When:
May 22, 2026 · 8:04 PM
Where:
Region
Source:
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Solar activity continued at low levels during the past 24 hours with four active regions on the visible disk. The largest events were a C1.0 on May 20 from the northeast limb and a C1.0/Sf, also on May 20, from Region 4439 that was accompanied by Type-III radio sweeps. This region was responsible for the majority of the period’s activity, which otherwise included a B8.7 flare on May 20 from Region 4...

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