X-Ray Flux

Updates: Every 5 minutes

(last updated 17 Sep 2025 15:43 UT)

Current Flux Value Solar X-ray Flux at 17 9 2025 1537 UT: C1.1 steady (GOES 18) Previous Flux Value Solar X-ray Flux at 17 9 2025 1536 UT: C1.1 steady (GOES 18)

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