Strong X1.0 Class flare Solar Flare Erupts from Sun

This flare is classified as an X1.0 flare. X-class denotes the most intense flares, while the number provides more information about its strength.

NASA/SDO: "The Sun emitted a strong solar flare, peaking at 1:09 p.m. EDT on June  20, 2023. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event.