:Product: 0430SGAS.txt :Issued: 2026 Apr 30 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 120 Issued at 0245Z on 30 Apr 2026 This report is compiled from data received at SWO on 29 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0037 0043 0049 4420 C2.4 370 0100 0108 0112 4425 C2.1 100 0926 0926 0926 200 1245 1245 1245 200 2040 2045 2047 4420 C1.6 250 2157 2157 2157 100 B. Proton Events: None C. Geomagnetic Activity Summary: Field activity was at quiet levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 143 SSN 142 Afr/Ap 006/004 X-ray Background B8.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.8e+05 GT 10 MeV 1.7e+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 0 1 1 1 2 2 2 1 Planetary 0 1 1 1 2 1 2 2 F. Comments: None