X-Ray Flux

Updates: Every 5 minutes

(last updated 19 Oct 2026 17:34 UT)

Current Flux Value Solar X-ray Flux at 19 10 2026 1730 UT: B9.9 rising (GOES 18) Previous Flux Value Solar X-ray Flux at 19 10 2026 1729 UT: B9.5 rising (GOES 18)

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