Viewing archive of Wednesday, 4 February 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Feb 04 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 035 Issued at 0245Z on 04 Feb 2026 This report is compiled from data received at SWO on 03 FebA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0131 0149 0221 4366 N12E23 M1.5 1f 0405 0405 0405 620 0413 0422 0435 4366 N12E20 M1.7 1f 0545 0555 0603 4366 N12E16 M2.6 Sn 0643 0701 0719 4366 N12E16 M7.2 1n 110 0743 0747 0752 4366 N12E15 M3.6 1f 0941 1012 1028 4366 N14E14 M3.6 1f 1131 1131 1131 110 1218 1218 1218 100 1235 1235 1235 100 1358 1408 1418 4366 X1.5 140 1445 1456 1503 4366 M7.2 1629 1636 1640 4366 M2.1 1753 1808 1822 4366 M2.5 1923 1923 1923 140 2231 2250 2256 4366 M2.0 2256 2309 2320 4366 N14E12 M3.4 Sf
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 178 SSN 171 Afr/Ap 003/005 X-ray Background C2.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+07 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 3.80e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 0 1 1 1 2 2 2 1 Planetary 2 2 1 1 1 1 2 1
F. Comments
None.
All times in UTC
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Space weather facts
| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/21 | M6.9 |
| Last geomagnetic storm | 2026/06/25 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2026 | 101.4 +22.1 |
| June 2026 | 101.2 -0.2 |
| Last 30 days | 103.7 +4.4 |
