Live and recent posts from across the Fediverse tagged #levels4, aggregated by home.social.
#levels4
Level S4 solar radiation event
https://www.swpc.noaa.gov/news/g4-severe-geomagnetic-storm-levels-reached-19-jan-2026
#HackerNews #LevelS4 #SolarRadiation #Event #GeomagneticStorm #SpaceWeather #NOAA
