:Product: 0603SGAS.txt :Issued: 2026 Jun 03 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 154 Issued at 0245Z on 03 Jun 2026 This report is compiled from data received at SWO on 02 Jun A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0038 0038 0038 100 0240 0250 0259 C1.8 160 0442 0445 0447 4461 M1.2 0628 0628 0628 100 0646 0659 0705 4455 N14E01 C3.1 Sf 230 0951 1005 1019 4455 N11E01 M1.2 1n 1458 1459 1506 4458 S06E11 Sf 130 1529 1529 1529 190 1631 1650 1656 4455 N56W29 M3.3 2b 140 150 II 2339 2339 2340 150 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at quiet levels D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 146 SSN 133 Afr/Ap 007/007 X-ray Background B9.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.5e+04 GT 10 MeV 1.9e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.10e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices: Boulder 3 2 2 0 3 2 2 2 Planetary 2 2 2 1 2 1 2 2 F. Comments: None