X-Ray Flux

Updates: Every 5 minutes

(last updated 28 Oct 2025 10:02 UT)

Current Flux Value Solar X-ray Flux at 28 10 2025 0956 UT: B5.0 steady (GOES 18) Previous Flux Value Solar X-ray Flux at 28 10 2025 0955 UT: B5.0 falling (GOES 18)

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