X-Ray Flux

Updates: Every 5 minutes

(last updated 16 Apr 2026 21:38 UT)

Current Flux Value Solar X-ray Flux at 16 4 2026 2133 UT: B7.3 steady (GOES 18) Previous Flux Value Solar X-ray Flux at 16 4 2026 2132 UT: B7.3 steady (GOES 18)

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