Viewing archive of Friday, 3 April 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Apr 03 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 093 Issued at 0245Z on 03 Apr 2026 This report is compiled from data received at SWO on 02 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1723 1815 1834 4404 N12W16 M3.5 2b
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 140 SSN 152 Afr/Ap 030/043 X-ray Background B8.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+08 GT 10 MeV 1.5e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.70e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices Boulder 4 4 5 6 5 5 4 3 Planetary 5 4 5 5 5 6 5 4
F. Comments
The 10 MeV proton flux is elevated and hovering between 4-5 pfu. However, below the 10 pfu threshold
All times in UTC
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G3 geomagnetic storm watch for 4 and 5 June
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X1.5 solar flare
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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 | 100.5 -0.9 |
| Last 30 days | 105.1 +6.4 |
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