Viewing archive of Sunday, 4 January 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Jan 04 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 004 Issued at 0245Z on 04 Jan 2026 This report is compiled from data received at SWO on 03 JanA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1723 1729 1732 4325 S07W41 C8.3 Sn 180 2026 2038 2045 4324 N28W22 C3.5 Sf 150
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field reached
unsettled levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 165 SSN 136 Afr/Ap 010/012 X-ray Background C1.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.7e+05 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 6.90e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 3 2 2 4 3 3 2 Planetary 3 3 2 2 3 3 3 1
F. Comments
None.
All times in UTC
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Space weather facts
| Last X-flare | 2026/07/04 | X1.3 |
| Last M-flare | 2026/07/12 | M1.19 |
| Last geomagnetic storm | 2026/07/04 | Kp7+ (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| June 2026 | 94.4 -7.1 |
| July 2026 | 74.8 -19.6 |
| Last 30 days | 87 -20.2 |
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