Viewing archive of Monday, 1 June 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Jun 01 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 152 Issued at 0245Z on 01 Jun 2026 This report is compiled from data received at SWO on 31 MayA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0022 0026 0026 1300 0159 0209 0212 4447 C3.1 3300 0422 0436 0444 4449 S07W15 C1.5 Sf 1000 0817 0817 0818 290 1012 1014 1017 4446 C1.0 3700
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to
active.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 136 SSN 110 Afr/Ap 008/011 X-ray Background B6.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+05 GT 10 MeV 1.9e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.90e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices Boulder 3 2 2 1 3 2 1 1 Planetary 4 3 2 2 3 2 2 2
F. Comments
None.
All times in UTC
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/06/03 | M7.9 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| June 2026 | 139.5 +60.2 |
| Last 30 days | 97.8 +5.2 |
