Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0225 0225 0225 170 0255 0255 0255 100 0545 0545 0545 110 1028 1028 1028 1200 1130 1130 1130 130 1241 1241 1241 100 1247 1248 1248 110 1254 1254 1255 110 1309 1309 1309 140 1515 1515 1515 120 1622 1622 1622 120 1832 1832 1832 100 1916 1916 1916 160 2234 2234 2234 220
10 cm 180 SSN 158 Afr/Ap 016/022 X-ray Background C1.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.4e+07 GT 10 MeV 7.4e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 9.00e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 4 3 4 3 3 2 3 Planetary 4 4 4 4 3 2 3 4
Planetary Kp values no longer ingested by USAF. Values populated from SWPC planetary estimates.
All times in UTC
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Last X-flare | 2025/03/28 | X1.1 |
Last M-flare | 2025/04/01 | M2.5 |
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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March 2025 | 134.2 -20.4 |
April 2025 | 143 +8.8 |
Last 30 days | 130.4 -16.1 |