X-Ray Flux

Updates: Every 5 minutes

(last updated 28 Jun 2025 17:04 UT)

Current Flux Value Solar X-ray Flux at 28 6 2025 1701 UT: B5.5 steady (GOES 18) Previous Flux Value Solar X-ray Flux at 28 6 2025 1700 UT: B5.5 steady (GOES 18)

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