:Product: 0927SGAS.txt :Issued: 2025 Sep 27 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 270 Issued at 0245Z on 27 Sep 2025 This report is compiled from data received at SWO on 26 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1949 2001 2007 M1.6 210 II B. Proton Events: None C. Geomagnetic Activity Summary: Field activity was at quiet levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 165 SSN 137 Afr/Ap 006/NA X-ray Background C1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.3e+05 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 4.30e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 2 1 1 3 2 2 1 Planetary ? ? ? ? ? ? ? ? F. Comments: None