Below you'll find a daily report brought to you by the NOAA about the solar activity and geophysical activity during the past day and the prediction for the coming days. This page is daily updated around midnight.
Solar and Geophysical Activity Summary 2024 Apr 27 0245 UTCBegin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0057 0105 0117 3638 C3.5 210 0121 0122 0122 1900 0349 0349 0349 120
10 cm 153 SSN 154 Afr/Ap 011/017 X-ray Background C2.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.1e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 3.50e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 1 2 3 3 3 4 3 2 Planetary 1 2 4 3 3 5 3 2
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Last X-flare | 2024/03/28 | X1.1 |
Last M-flare | 2024/04/27 | M3.0 |
Last geomagnetic storm | 2024/04/26 | Kp5+ (G1) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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March 2024 | 104.9 -19.8 |
Last 30 days | 137.7 +30.3 |