:Product: Solar and Geophysical Activity Summary
:Issued: 2026 Jun 17 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 168 Issued at 0245Z on 17 Jun 2026
This report is compiled from data received at SWO on 16 Jun
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0627 0628 0628                       170                           
 2020 2020 2021                       150                           
B.  Proton Events:  None.
C.  Geomagnetic Activity Summary:  The geomagnetic field was quiet.
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 113  SSN 076  Afr/Ap 006/006   X-ray Background B4.8
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 7.8e+05   GT 10 MeV 1.7e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 8.10e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W72 degrees)
3 Hour K-indices:
Boulder 2 2 2 1 3 3 2 2 Planetary 2 1 1 1 2 2 2 1 
F.  Comments:  None