Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1647 1647 1647 110 1804 1804 1804 140 1807 1808 1809 170 1839 1839 1839 130 1922 1922 1922 100 1927 1927 1927 110 2255 2255 2255 140 2311 2311 2311 100
10 cm 132 SSN 091 Afr/Ap 005/003 X-ray Background B4.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.9e+06 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 7.00e+05 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 1 1 0 2 2 1 ? Planetary 1 0 0 0 1 1 1 1
Boulder K-index for 21-24Z was 1.
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 |