Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0509 0509 0509 550 0523 0523 0523 180 0528 0528 0528 130 0617 0629 0638 3359 S22W15 M4.0 2b 830 190 1001 1024 II 2226 2235 II
10 cm 161 SSN 167 Afr/Ap 016/019 X-ray Background C1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.9e+04 GT 10 MeV 2.0e+04 p/(cm2-ster-day) (GOES-10 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 1.30e+07 e/(cm2-ster-day) (GOES-10 satellite synchronous orbit W135 degrees) 3 Hour K-indices Boulder 3 2 4 4 4 3 3 3 Planetary 3 3 3 4 4 3 4 3
None
All times in UTC
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 167.7 +75.9 |
| Last 30 days | 107.1 +12.4 |