Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0054 0054 0054 150 0237 0237 0237 150 0247 0247 0247 110 0342 0342 0342 240 0558 0609 0616 3697 M3.3 0938 1006 1018 3697 M2.2 1018 1108 1118 3697 S19W85 X1.5 Sf 1018 1058 1103 3697 M5.3 1320 1329 1335 3697 M1.3 1811 1840 1918 3697 M9.5 II
10 cm 178 SSN 146 Afr/Ap 011/012 X-ray Background C2.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.6e+07 GT 10 MeV 3.8e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.10e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 0 1 2 2 3 3 2 Planetary 2 1 1 0 1 4 5 2
None.
All times in UTC
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/21 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 116.9 +25.1 |
| Last 30 days | 109 +22.2 |