X-Ray Flux

Updates: Every 5 minutes

(last updated 17 Apr 2026 11:30 UT)

Current Flux Value Solar X-ray Flux at 17 4 2026 1125 UT: B3.5 steady (GOES 18) Previous Flux Value Solar X-ray Flux at 17 4 2026 1124 UT: B3.5 steady (GOES 18)

X-Ray flux data are provided by the US Space Weather Prediction Center in Boulder.