X-Ray Flux

Updates: Every 5 minutes

(last updated 15 Dec 2025 19:42 UT)

Current Flux Value Solar X-ray Flux at 15 12 2025 1936 UT: B6.7 steady (GOES 18) Previous Flux Value Solar X-ray Flux at 15 12 2025 1935 UT: B6.7 falling (GOES 18)

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