Massive Solar Storm Coming 2024 Today. The sun erupted over the weekend, flinging electromagnetic radiation towards earth, even illuminating skies with spectacular aurora borealis. Let’s answer some questions you may have after witnessing the spectacle.

The estimated planetary k index jumped up to a g4 (severe) geomagnetic storm level during the night of september 17. The updated prediction now calls for solar cycle 25 to peak between january and october of 2024, with a maximum sunspot number between 137 and 173.