Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0047 0047 0047 150 0635 0635 0635 1400 0659 0659 0659 760 0733 0734 0737 3848 N18E12 Sf 300 1803 1838 1902 3839 M1.3 100 1902 1913 1931 3842 X2.1 990 640 2001 2001 2001 120 2032 2032 2032 110 II/IV 2048 2048 2048 250 2056 2057 2057 1600 2108 2108 2108 120 2304 2304 2304 200
10 cm 277 SSN 164 Afr/Ap 033/053 X-ray Background C3.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+06 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.90e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 5 3 2 5 5 4 5 4 Planetary 5 4 3 6 6 4 7 5
None
All times in UTC
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +13.7 |