:Product: 0401SGAS.txt :Issued: 2026 Apr 01 0245 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar and Geophysical Activity Summary SGAS Number 091 Issued at 0245Z on 01 Apr 2026 This report is compiled from data received at SWO on 31 Mar A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 2007 2007 2007 640 2141 2145 2149 4405 B9.1 730 B. Proton Events: None. C. Geomagnetic Activity Summary: Field activity was quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 141 SSN 133 Afr/Ap 008/007 X-ray Background B6.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.8e+05 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 4.40e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices: Boulder 1 3 3 3 3 2 1 2 Planetary 2 3 2 2 2 2 1 1 F. Comments: None.