Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1728 1739 1746 3340 C2.1 240 1947 2002 2013 3340 N23W29 C1.9 Sf 190 2019 2028 2034 3337 N21W61 C4.5 Sf 150 2140 2142 2147 3341 S11W06 Sf II 2156 2202 2208 3337 N21W63 C6.8 Sf 470
10 cm 155 SSN 180 Afr/Ap 010/015 X-ray Background B9.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.5e+04 GT 10 MeV 2.2e+04 p/(cm2-ster-day) (GOES-10 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 1.20e+07 e/(cm2-ster-day) (GOES-10 satellite synchronous orbit W135 degrees) 3 Hour K-indices Boulder 5 3 2 1 3 3 2 3 Planetary 5 2 1 1 2 3 3 3
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 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |