X-Ray Flux

Updates: Every 5 minutes

(last updated 17 Jun 2026 09:38 UT)

Current Flux Value Solar X-ray Flux at 17 6 2026 0933 UT: B3.8 steady (GOES 18) Previous Flux Value Solar X-ray Flux at 17 6 2026 0932 UT: B3.8 steady (GOES 18)

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