:Product: 0128SGAS.txt :Issued: 2025 Jan 28 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 028 Issued at 0245Z on 28 Jan 2025 This report is compiled from data received at SWO on 27 Jan A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0010 0013 0013 1400 0459 0459 0459 210 0501 0502 0502 260 0752 0812 0833 3976 M2.6 2326 2326 2326 100 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 162 SSN 146 Afr/Ap 006/005 X-ray Background C1.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.0e+05 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 3.40e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 0 1 2 2 2 2 2 2 Planetary 0 0 1 2 1 3 2 2 F. Comments: None.