Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1417 1432 1437 3654 S05W75 M1.8 Sn 120 1657 1657 1657 260 1814 1817 1822 3663 C1.9 100 1827 1827 1827 100 2226 2231 2237 3663 N25E24 M1.8 Sn 670
10 cm 135 SSN 104 Afr/Ap 010/010 X-ray Background B9.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.6e+05 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.20e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 3 2 1 2 2 2 2 Planetary 4 2 2 0 2 2 3 2
None
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 |