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 May 16 0245 UTCBegin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0010 0010 0010 230 0417 0425 0433 3679 S10E44 C5.5 Sf 110 0711 0720 0722 3670 C5.8 14000 450 IV 1039 1044 1048 250 1044 1044 1057 110 1356 1406 1410 M2.9 1410 1417 1420 M3.2 1420 1438 1451 X2.9 110 II/IV 2037 2038 2040 3676 S19W29 Sf 8600
10 cm 216 SSN 173 Afr/Ap 010/010 X-ray Background C3.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.8e+07 GT 10 MeV 2.2e+06 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 6.30e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 1 2 3 2 3 3 3 2 Planetary 1 2 3 2 2 2 3 3
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Last X-flare | 2024/05/15 | X2.9 |
Last M-flare | 2024/05/16 | M1.0 |
Last geomagnetic storm | 2024/05/16 | Kp6 (G2) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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April 2024 | 136.5 +31.6 |
May 2024 | 156.6 +20.1 |
Last 30 days | 177 +70.8 |