Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0156 0156 0156 140 0215 0230 0243 C2.8 200 1017 1017 1018 310
10 cm 174 SSN 160 Afr/Ap 007/008 X-ray Background C2.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.1e+07 GT 10 MeV 1.3e+05 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.70e+05 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 1 3 2 1 2 2 2 Planetary 2 1 3 3 1 2 3 2
Afr estimated based upon Boulder USGS magnetometer readings.
All times in UTC
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Moderate M1.03 flare
Minor R1 radio blackout in progress (≥M1 - current: M1.03)
Moderate M1.52 flare
Minor R1 radio blackout in progress (≥M1 - current: M1.49)
Moderate M1.48 flare
Last X-flare | 2025/03/28 | X1.1 |
Last M-flare | 2025/03/30 | M1.4 |
Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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February 2025 | 154.6 +17.6 |
March 2025 | 127.5 -27.1 |
Last 30 days | 127.5 -25.1 |