:Product: 0601SGAS.txt :Issued: 2026 Jun 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 152 Issued at 0245Z on 01 Jun 2026 This report is compiled from data received at SWO on 31 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0022 0026 0026 1300 0159 0209 0212 4447 C3.1 3300 0422 0436 0444 4449 S07W15 C1.5 Sf 1000 0817 0817 0818 290 1012 1014 1017 4446 C1.0 3700 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to active. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 136 SSN 110 Afr/Ap 008/011 X-ray Background B6.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+05 GT 10 MeV 1.9e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.90e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices: Boulder 3 2 2 1 3 2 1 1 Planetary 4 3 2 2 3 2 2 2 F. Comments: None.