Solar Flares November 2025. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft. The sun emitted the largest solar flare yet in solar cycle 25 (as of march 2023).

Solar flares, plasma energy and other types of space weather increase in tandem with the number of sunspots. On october 3, 2024, the same day the sun emitted a powerful x9.0 solar flare, the parker solar probe completed its 21 st elliptical orbit through the corona, coming within 4.51 million miles of.