:Product: 0523SGAS.txt :Issued: 2026 May 23 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 143 Issued at 0245Z on 23 May 2026 This report is compiled from data received at SWO on 22 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0727 0727 0727 170 1003 1029 1101 4436 M2.3 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field reached unsettled levels D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 124 SSN 067 Afr/Ap 005/006 X-ray Background B7.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.0e+05 GT 10 MeV 1.9e+04 p/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) Daily Electron Fluence GT 2 MeV 1.70e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices: Boulder 2 3 1 2 2 3 1 2 Planetary 1 2 2 2 1 1 1 3 F. Comments: None