X-Ray Flux

Updates: Every 5 minutes

(last updated 16 Aug 2026 20:04 UT)

Current Flux Value Solar X-ray Flux at 16 8 2026 1959 UT: C3.3 falling (GOES 18) Previous Flux Value Solar X-ray Flux at 16 8 2026 1958 UT: C3.4 falling (GOES 18)

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