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 2026 Jun 07 0245 UTCBegin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0118 0118 0118 100 0402 0402 0402 330 0452 0452 0452 250 0458 0458 0458 250 1340 1401 1428 4461 S21E24 M1.8 2n 220 190 II
10 cm 138 SSN 139 Afr/Ap 019/??? X-ray Background B9.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.0e+05 GT 10 MeV 3.3e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 3.70e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices Boulder 5 4 4 2 3 2 2 2 Planetary 4 4 4 3 3 2 2 ?
None.
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| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/06 | M1.8 |
| Last geomagnetic storm | 2026/06/05 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2026 | 101.4 +22.1 |
| June 2026 | 140.7 +39.3 |
| Last 30 days | 104.6 +13.7 |