X-Ray Flux

Updates: Every 5 minutes

(last updated 25 Sep 2025 04:14 UT)

Current Flux Value Solar X-ray Flux at 25 9 2025 0408 UT: C3.5 rising (GOES 18) Previous Flux Value Solar X-ray Flux at 25 9 2025 0407 UT: C3.1 rising (GOES 18)

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