Solar Flare May 14 2025. The threat of additional strong solar flares and cmes, which ultimately result in spectacular aurora displays, will persist until the large and magnetically complex sunspot. This solar flare is the largest of solar cycle 25 and is classified as an x8.7 flare.
This solar flare is the largest of solar cycle 25 and is classified as an x8.7 flare. From may 3 through may 9, 2025, nasaโs solar dynamics observatory observed 82 notable solar flares.