Viewing archive of Saturday, 4 April 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Apr 04 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 094 Issued at 0245Z on 04 Apr 2026 This report is compiled from data received at SWO on 03 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0745 0756 0758 4409 M1.3 1246 1250 1252 M1.3 1731 1736 1739 4409 S02E02 C1.7 Sf 190
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field reached
severe storm levels following the arrival of a CME that left the Sun
on 01 Apr.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 136 SSN 118 Afr/Ap 025/049 X-ray Background B8.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.6e+07 GT 10 MeV 3.8e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 9.10e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices Boulder 3 3 5 4 3 6 5 4 Planetary 4 4 5 4 4 7 6 6
F. Comments
None
All times in UTC
Latest news
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Latest forum messages
Incoming & Unnumbered Active Regions 557Current Farside Activity 717Filaments and prominences 587GOES-19 Safe Hold 6Space Weather Memes 858
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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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