Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0728 0728 0728 110 0930 0930 0930 170 1114 1123 1133 3712 S28W20 M2.4 1n 1211 1220 1226 3712 M1.1
10 cm 193 SSN 150 Afr/Ap 011/010 X-ray Background C1.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.8e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.80e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 3 4 3 3 2 2 2 Planetary 3 3 3 2 2 2 2 2
None.
All times in UTC
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Begin Time: 01/04/2025 06:45 UTC Maximum Time: 01/04/2025 06:45 UTC Duration: 1 minutes. Peak flux: 190 sfu
Strong M5.61 flare
Moderate R2 radio blackout in progress (≥M5 - current: M5.36)
Minor R1 radio blackout in progress (≥M1 - current: M1.7)
Moderate S2 Solar Radiation Storm - Infrequent effects on HF radio through polar regions and satellite operations
Last X-flare | 2025/03/28 | X1.1 |
Last M-flare | 2025/04/01 | M5.6 |
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 |
Last 30 days | 128.5 -22.7 |