X-Ray Flux

Updates: Every 5 minutes

(last updated 03 Aug 2026 18:18 UT)

Current Flux Value Solar X-ray Flux at 3 8 2026 1813 UT: B5.8 rising (GOES 18) Previous Flux Value Solar X-ray Flux at 3 8 2026 1812 UT: B5.7 rising (GOES 18)

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