X-Ray Flux

Updates: Every 5 minutes

(last updated 08 Dec 2025 07:25 UT)

Current Flux Value Solar X-ray Flux at 8 12 2025 0721 UT: C5.0 falling (GOES 18) Previous Flux Value Solar X-ray Flux at 8 12 2025 0720 UT: C5.2 falling (GOES 18)

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