Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0044 0044 0044 180 0647 0651 0654 9718 S06E42 M2.2 2n 52 180 1430 1445 1456 9714 S10W78 M1.2 Sf 1500 1555 1628 M4.8 1653 1656 1658 9714 S08W80 M2.9 Sf 1729 1731 1733 9718 S07E36 M1.5 1f 1739 1749 1754 9724 N10E80 M1.8 Sf 1847 1847 1847 460
10 cm 221 SSN 208 Afr/Ap 007/007 X-ray Background C1.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.9e+06 GT 10 MeV 5.1e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 6.10e+05 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 1 0 3 2 2 3 1 2 Planetary 1 1 3 2 3 2 1 3
Afr estimated from Boulder A.
All times in UTC
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| 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 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |