Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1819 1819 1819 100 1837 1839 1840 150 1916 1917 1918 180 1932 1932 1932 100 2051 2051 2051 130 2055 2055 2055 100 2315 2315 2315 100
10 cm 159 SSN 081 Afr/Ap 014/016 X-ray Background B7.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+06 GT 10 MeV 4.1e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.40e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 4 4 4 3 4 3 2 Planetary 3 3 3 4 3 3 3 1
None
All times in UTC
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/29 | M1.0 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 117.2 +25.4 |
| Last 30 days | 117.2 +28.6 |