Viewing archive of Thursday, 26 February 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Feb 26 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 057 Issued at 0245Z on 26 Feb 2026 This report is compiled from data received at SWO on 25 FebA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0641 0656 0709 S08W28 C2.6 Sf II 0742 0742 0742 420 1207 1207 1208 130 1535 1559 1609 4379 M2.3
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field reached
active levels
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 125 SSN 025 Afr/Ap 011/014 X-ray Background B8.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.0e+05 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 3.90e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 2 2 3 2 3 1 3 Planetary 4 2 2 3 3 3 2 4
F. Comments
None
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Solar Cycle 25 24AR4387 3Available resources & tools / space weather databases 3Unspecified geomagnetic activity 88Solar Demon not being updated 7
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 75 -3.2 |
| Last 30 days | 53.7 -72.9 |