Viewing archive of Tuesday, 19 August 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Aug 19 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 231 Issued at 0245Z on 19 Aug 2025 This report is compiled from data received at SWO on 18 AugA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 2241 2241 2241 1000
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 114 SSN 073 Afr/Ap 005/??? X-ray Background B5.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.6e+05 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 5.50e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 1 1 1 3 2 4 1 3 Planetary 0 1 1 2 2 3 1 2
F. Comments
None
All times in UTC
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| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
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