Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0459 0517 0527 3697 M1.0 1149 1155 1200 3697 M3.2 910 1218 1227 1231 3697 S18W01 M2.8 Sf 1358 1411 1423 3695 N28W42 M4.8 2n 130 1923 1923 1923 110
10 cm 186 SSN 208 Afr/Ap 013/009 X-ray Background C1.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.0e+06 GT 10 MeV 1.5e+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 2 2 2 2 2 2 2 4 Planetary 2 2 2 2 2 1 2 4
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 |