:Product: 0604SGAS.txt :Issued: 2025 Jun 04 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 155 Issued at 0245Z on 04 Jun 2025 This report is compiled from data received at SWO on 03 Jun A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0723 0723 0723 170 1252 1303 1312 4105 M1.4 1326 1326 1326 140 1603 1604 1604 140 1912 1912 1912 360 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was quiet to severe storm levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 135 SSN 095 Afr/Ap 032/??? X-ray Background B8.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.4e+07 GT 10 MeV 1.4e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 6.40e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W0 degrees) 3 Hour K-indices: Boulder 5 6 6 4 4 ? ? ? Planetary 6 7 6 5 6 5 3 2 F. Comments: None