Viewing archive of Thursday, 3 April 2025

Geophysical report

Solar and Geophysical Activity Summary 2025 Apr 03 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 093 Issued at 0245Z on 03 Apr 2025 This report is compiled from data received at SWO on 02 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0225 0225 0225                       170                           
 0255 0255 0255                       100                           
 0545 0545 0545                       110                           
 1028 1028 1028                       1200                          
 1130 1130 1130                       130                           
 1241 1241 1241                       100                           
 1247 1248 1248                       110                           
 1254 1254 1255                       110                           
 1309 1309 1309                       140                           
 1515 1515 1515                       120                           
 1622 1622 1622                       120                           
 1832 1832 1832                       100                           
 1916 1916 1916                       160                           
 2234 2234 2234                       220                           
B. Proton Events
The greater than 10 Mev proton flux reached as maximum of 16 pfu and exhibited a gradual downward trend towards background levels.
C. Geomagnetic Activity Summary
The geomagnetic field reached active levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 180  SSN 158  Afr/Ap 016/022   X-ray Background C1.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 6.4e+07   GT 10 MeV 7.4e+05 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 9.00e+06 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 4 4 3 4 3 3 2 3 Planetary 4 4 4 4 3 2 3 4 
F. Comments
  Planetary Kp values no longer ingested by USAF. Values
populated from SWPC planetary estimates.

All times in UTC

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

Donate SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.5
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025143 +8.8
Last 30 days130.4 -16.1

This day in history*

Solar flares
12002M8.82
21999M6.76
32001M2.91
42003M2.74
52001M2.31
DstG
11979-202G3
21988-133G3
31984-120G4
42004-117G2
51994-111G3
*since 1994

Social networks