X-Ray Flux

Updates: Every 5 minutes

(last updated 15 Feb 2026 02:03 UT)

Current Flux Value Solar X-ray Flux at 15 2 2026 0157 UT: B3.7 steady (GOES 18) Previous Flux Value Solar X-ray Flux at 15 2 2026 0156 UT: B3.7 falling (GOES 18)

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