Activity summary of the solar and geophysical activity

Below you'll find a daily report brought to you by the NOAA about the solar activity and geophysical activity during the past day and the prediction for the coming days. This page is daily updated around midnight.

Solar and Geophysical Activity Summary 2025 Dec 05 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 339 Issued at 0245Z on 05 Dec 2025 This report is compiled from data received at SWO on 04 Dec
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0236 0250 0259  4300 N06E54 M6.0  1f 120000        II              
 0648 0651 0651                       510                           
 0726 0726 0726                       150                           
 0735 0735 0735                       180                           
 0832      1012                                        IV           
 1351 1351 1351                       300                           
 1625 1625 1626                       300                           
 1800 1805 1808  4294 S17E16 C3.8  Sf 4200                          
 1900 1909 1915  4298        C3.3     250                           
 2037 2039 2039                       840                           
 2147 2147 2147                       360                           
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was at active to minor geomagnetic storm levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 220  SSN 165  Afr/Ap 024/032   X-ray Background C1.8
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.2e+06   GT 10 MeV 1.7e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.40e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 5 4 3 4 4 4 3 2 Planetary 5 5 5 4 4 4 4 3 
F. Comments
  None.

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