Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0044 0053 0057 3031 C4.6 130 0221 0224 0228 3031 C1.6 240 0427 0427 0428 580 0430 0430 0430 100 1455 1505 1818 3030 N17W27 C4.3 Sf 130
10 cm 149 SSN 152 Afr/Ap 014/014 X-ray Background B9.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.6e+06 GT 10 MeV 3.9e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.70e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 3 3 5 2 2 4 3 Planetary 4 2 2 3 2 2 5 3
None
All times in UTC
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 155.3 +63.5 |
| Last 30 days | 109 +10.8 |