Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0155 0209 0222 3452 M1.6 1208 1217 1229 3452 N09W69 M2.3 Sf 2034 2034 2038 3460 S09W08 Sf 410
10 cm 164 SSN 120 Afr/Ap ???/004 X-ray Background C1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.6e+04 GT 10 MeV 1.9e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.40e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 1 2 1 2 2 3 2 0 Planetary 1 1 1 1 1 1 1 1
None
All times in UTC
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| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/20 | Kp8 (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 107.3 -16.8 |
| Last 30 days | 111.9 +4 |