Viewing archive of Sunday, 1 February 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Feb 01 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 032 Issued at 0245Z on 01 Feb 2026 This report is compiled from data received at SWO on 31 JanA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None
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 141 SSN 126 Afr/Ap 003/005 X-ray Background C1.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+06 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 6.10e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 2 1 1 1 2 2 0 Planetary 2 2 2 1 1 0 2 1
F. Comments
The >2 MeV electron fluence at geostationary orbit was at high levels.
All times in UTC
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| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/21 | M6.9 |
| Last geomagnetic storm | 2026/06/11 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
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| May 2026 | 101.4 +22.1 |
| June 2026 | 98.3 -3.1 |
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