Viewing archive of Saturday, 17 January 2026

Geophysical report

Joint USAF/NOAA Solar and Geophysical Activity Summary

A. Energetic Events

Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0757 0757 0757                       130                           
 1007 1007 1008                       200                           
 1058 1058 1058                       130                           
 1644 1644 1644                       120                           
 1904 1915 1922  4343 S10W04 C4.0  Sf 900                           

B. Proton Events

C. Geomagnetic Activity Summary

D. Stratwarm

E. Daily Indices: (real-time preliminary/estimated values)

10 cm 148  SSN 144  Afr/Ap 017/026   X-ray Background B9.3
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 4.0e+06   GT 10 MeV 1.5e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.10e+08 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 3 3 3 3 4 5 3 3 Planetary 3 4 3 3 4 5 4 5 

F. Comments

  None

All times in UTC

<< Go to daily overview page