Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0251 0259 0304 3226 N11E19 C7.3 Sf 100 0433 0447 0507 3213 M1.1 0516 0523 0530 3213 M2.0 0642 0705 0719 3213 M1.3 0842 0850 0856 C3.2 140 0936 0936 0936 150 1003 1003 1003 100 1049 1049 1051 170 1106 1106 1106 170 1117 1118 1118 610 2105 2114 2118 3213 M1.0 600 2118 2122 II 2142 2142 2143 130 2218 2218 2218 130
10 cm 174 SSN 140 Afr/Ap 023/024 X-ray Background C1.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+06 GT 10 MeV 2.4e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.30e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder ? ? ? ? ? ? ? ? Planetary 3 2 5 5 3 4 4 4
Boulder K indices were not available.
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 |