Viewing archive of Friday, 17 July 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Jul 17 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 198 Issued at 0245Z on 17 Jul 2026 This report is compiled from data received at SWO on 16 JulA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0234 0234 0234 130 0936 0938 0941 600
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was
unsettled.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 101 SSN 047 Afr/Ap ???/007 X-ray Background B3.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+05 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 4.80e+07 e/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) 3 Hour K-indices Boulder 2 4 2 2 2 ? ? ? Planetary 2 3 2 2 2 1 1 2
F. Comments
Boulder Mag not available after 15-18Z synoptic period.
All times in UTC
Latest news
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Coronal hole faces Earth
Latest forum messages
Current Farside Activity 724SWPC Display bug or other issues 64AR4493 34Coronal holes 137Unspecified geomagnetic activity 366
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Space weather facts
| Last X-flare | 2026/07/04 | X1.3 |
| Last M-flare | 2026/07/20 | M3.4 |
| Last geomagnetic storm | 2026/07/04 | Kp7+ (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (1%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| June 2026 | 94.4 -7.1 |
| July 2026 | 70.7 -23.7 |
| Last 30 days | 85.6 -20.4 |
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