Severe space weather event on 11 November 2025 ― A class X5.1 solar X-ray flare occurred on 2025/11/11 with peak time 10:04UTC. This is the strongest flare so far in 2025 & currently ranks 6th in the strongest flares of the current solar cycle. #space #weather #solar #storms #geomagnetic #cme #flares #radios #energies #satellites #systems #aero #disturbance #threats #icao #acfj [ https://swe.ssa.esa.int ]