Level S4 solar radiation event
WorldPeas Monday, January 19, 2026https://www.swpc.noaa.gov/products/goes-proton-flux
Summary
A severe geomagnetic storm of G4 intensity occurred on January 19, 2026, leading to widespread power grid disruptions, satellite communication issues, and increased auroral activity visible across a large portion of the Earth.
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Summary
swpc.noaa.gov