Viewing archive of Monday, 29 December 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Dec 29 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 363 Issued at 0245Z on 29 Dec 2025 This report is compiled from data received at SWO on 28 DecA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 2103 2113 2123 4325 S07E47 M1.3 Sf 2201 2239 2254 4317 N08W31 M4.2 1f 130 300
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet
and unsettled.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 188 SSN 143 Afr/Ap 007/009 X-ray Background C1.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.3e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.90e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 1 1 3 2 2 2 2 Planetary 3 1 1 2 2 3 2 2
F. Comments
None.
All times in UTC
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.3 -4.7 |
| Last 30 days | 120.3 +3.4 |