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Geophysical report
Solar and Geophysical Activity Summary 2025 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 2025 This report is compiled from data received at SWO on 31 MayA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0210 0210 0210 190 0325 0325 0325 160 0349 0356 0404 4100 M1.0 0350 0350 0350 110 0512 0518 0520 4100 N11E05 M2.4 Sn 360 150 0627 0628 0630 4100 N09E05 Sf 170 0636 0636 0636 120 0722 0727 0730 4100 N11E05 C7.0 Sf 100 0734 1159 IV 0808 0818 0823 4100 N11E05 M4.5 1n 5000 220 1054 1101 1105 4100 N10E02 Sf 280 1321 1328 1330 4100 N10E00 C6.5 Sn 4500 330 1437 1437 1437 120 1453 1453 1453 100 1536 1549 1557 4100 N06E03 M2.9 2b 110 210 IV 1602 1603 1603 140 IV 1722 1724 1724 140 1900 1906 1908 4100 N10W03 C4.8 Sn 840 1927 2125 IV 2231 2234 2240 4100 N10W04 C2.2 Sn 830 2331 0005 0132 4100 M8.1 IV
B. Proton Events
None
C. Geomagnetic Activity Summary
Field conditions were at quiet to
active levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 164 SSN 096 Afr/Ap 012/012 X-ray Background C1.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.0e+07 GT 10 MeV 7.9e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 3.00e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W0 degrees) 3 Hour K-indices Boulder 4 3 3 2 4 3 2 3 Planetary ? ? ? ? ? ? ? ?
F. Comments
None
All times in UTC
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |