Solar Flare May 10 2024 Weather. May 2024 witnessed one of the most significant solar storms in decades, featuring a barrage of solar flares and coronal mass ejections that caused historic aurora displays and tested the. The most significant event was a c9.1, almost an m flare.

This solar flare is the largest of solar cycle 25 and is classified as an x8.7 flare. High to very high solar activity expected.