Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0310 0431 0722 M1.0 0726 0741 0753 3825 M3.0 1513 1529 1547 3825 S15E56 X4.5 2b 1000 1519 1520 1523 3825 S28W12 Sf 520
10 cm 172 SSN 136 Afr/Ap 022/023 X-ray Background C2.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.0e+06 GT 10 MeV 6.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.40e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 4 3 5 4 4 3 2 Planetary 3 3 2 5 5 4 3 3
None
All times in UTC
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 128 +36.2 |
| Last 30 days | 110.1 +18.9 |