Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0007 0007 0007 160 0038 0049 0054 3806 S11E47 M1.1 Sf 0056 0056 0056 220 0226 0238 0248 3806 S08E45 M1.2 Sf 0852 0859 0909 M1.2 1250 1302 1311 3806 M1.8 1738 1751 1808 3799 C7.3 240 2253 2253 2254 130 2330 2339 2348 3806 S12E32 C9.7 Sf 150
10 cm 232 SSN 180 Afr/Ap 019/027 X-ray Background C3.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.4e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.50e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 3 6 1 4 5 4 3 Planetary 4 4 5 1 3 5 4 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +13.7 |