Viewing archive of Wednesday, 4 June 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Jun 04 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 155 Issued at 0245Z on 04 Jun 2025 This report is compiled from data received at SWO on 03 JunA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0723 0723 0723 170 1252 1303 1312 4105 M1.4 1326 1326 1326 140 1603 1604 1604 140 1912 1912 1912 360
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to
severe storm levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 135 SSN 095 Afr/Ap 032/??? X-ray Background B8.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.4e+07 GT 10 MeV 1.4e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 6.40e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W0 degrees) 3 Hour K-indices Boulder 5 6 6 4 4 ? ? ? Planetary 6 7 6 5 6 5 3 2
F. Comments
None
All times in UTC
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |