Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0305 0306 0308 120 0314 0322 0337 9969 N07E65 Sf 120
10 cm 183 SSN 232 Afr/Ap 009/010 X-ray Background B8.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.4e+05 GT 10 MeV 3.0e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.10e+06 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 0 2 2 1 3 2 4 Planetary 2 1 2 2 2 3 3 4
Afr value estimated based upon Boulder USGS magnetometer data.
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 |