Viewing archive of Tuesday, 28 January 2025

Geophysical report

Solar and Geophysical Activity Summary 2025 Jan 28 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 028 Issued at 0245Z on 28 Jan 2025 This report is compiled from data received at SWO on 27 Jan
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0010 0013 0013                       1400                          
 0459 0459 0459                       210                           
 0501 0502 0502                       260                           
 0752 0812 0833  3976        M2.6                                   
 2326 2326 2326                       100                           
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to unsettled.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 162  SSN 146  Afr/Ap 006/005   X-ray Background C1.8
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.0e+05   GT 10 MeV 1.6e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 3.40e+07 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 0 1 2 2 2 2 2 2 Planetary 0 0 1 2 1 3 2 2 
F. Comments
  None.

All times in UTC

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!

No Ads on SWL Pro!
No Ads on SWL Pro! Subscriptions
Donations
Support SpaceWeatherLive.com! Donate
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2026/02/04X4.21
Last M-flare2026/02/25M2.4
Last geomagnetic storm2026/02/22Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (5%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
January 2026112.6 -11.4
February 202674.6 -38
Last 30 days79 -41.8

This day in history*

Solar flares
11999M9.44
22023M8.62
32002M3.28
42014M1.59
52011M1.57
DstG
12023-100G2
22014-94
31999-87G1
41985-84G3
51968-82G1
*since 1994

Social networks