Viewing archive of Tuesday, 17 February 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Feb 17 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 048 Issued at 0245Z on 17 Feb 2026 This report is compiled from data received at SWO on 16 FebA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0157 0157 0159 130 0249 0249 0249 440 0302 0302 0302 650 0403 0435 0500 M2.4 0610 0610 0611 150 0745 0745 0745 1100 1217 1217 1217 130 1256 1256 1256 120 1856 1858 1858 290 1953 1953 1953 250 1959 1959 1959 140 2002 2002 2003 370
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field reached
moderate storm levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 118 SSN 069 Afr/Ap 023/029 X-ray Background B4.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.5e+06 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 4.40e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 4 4 4 2 4 5 1 Planetary 4 4 4 3 2 4 6 3
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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