:Product: 0620SGAS.txt :Issued: 2025 Jun 20 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 171 Issued at 0245Z on 20 Jun 2025 This report is compiled from data received at SWO on 19 Jun A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0009 0009 0010 160 1310 1310 1310 110 2337 2350 2354 4114 X1.9 2346 2347 2347 250 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field ranged from quiet to active levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 136 SSN 113 Afr/Ap 011/012 X-ray Background B9.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.9e+05 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 3.10e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W0 degrees) 3 Hour K-indices: Boulder 3 2 2 1 3 2 4 3 Planetary ? ? ? ? ? ? ? ? F. Comments: None.