Viewing archive of Tuesday, 2 September 2025

Geophysical report

Solar and Geophysical Activity Summary 2025 Sep 02 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 245 Issued at 0245Z on 02 Sep 2025 This report is compiled from data received at SWO on 01 Sep
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
None
B. Proton Events
Elevated conditions but below threshold.
C. Geomagnetic Activity Summary
The geomagnetic field reached moderate storm levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 202  SSN 165  Afr/Ap 009/016   X-ray Background C1.6
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.5e+08   GT 10 MeV 2.4e+05 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.50e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 1 1 1 2 3 2 4 Planetary 2 1 1 1 1 2 3 6 
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-flare2025/11/14X4.0
Last M-flare2025/11/14M1.3
Last geomagnetic storm2025/11/13Kp7+ (G3)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2025114.6 -15.2
November 2025101 -13.6
Last 30 days97.2 -37.2

This day in history*

Solar flares
12014M8.22
21999M5.5
31999M4.36
41999M3.31
51999M2.89
DstG
11960-207G4
21984-141G4
31991-80
41999-79
52014-59
*since 1994

Social networks