Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0151 0151 0151 100 0201 0202 0202 200 0208 0208 0208 170 0243 0247 0254 3998 M1.3 0302 0302 0302 110 0648 0648 0648 150 0855 0855 0855 130 1120 1159 1244 3998 S13W51 M3.6 1f 140 240 II/IV 2150 2302 0019 M3.9 3200 II/IV
10 cm 190 SSN 155 Afr/Ap 011/008 X-ray Background C2.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.9e+07 GT 10 MeV 1.0e+06 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.20e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder ? ? ? ? ? ? ? ? Planetary 2 1 1 1 1 2 3 3
Boulder magnetometer outage today.
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 | |
|---|---|
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| Last 30 days | 107.1 +13.7 |