Solar Flare 2024 April 19. The sun emitted a strong solar flare, peaking at 11:57 p.m. The was the largest flare so far since the start of solar cycle 25 in 2019.

The largest was a c6.1 flare by active region ar3648 in the northwest at 20:22 utc on april 26. Searching for historical solar and auroral activity data?