Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0854 0854 0855 130 0955 0958 0958 220 1510 1510 1510 100 1731 1731 1731 120 1734 1734 1734 130 2051 2051 2051 130 2328 2328 2328 130
10 cm 167 SSN 140 Afr/Ap 017/??? X-ray Background C1.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.6e+06 GT 10 MeV 2.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.70e+08 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 3 3 4 3 3 3 2 Planetary 5 3 2 3 3 3 3 3
None
All times in UTC
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/29 | M1.1 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 96.6 +17.3 |
| Last 30 days | 96.6 +3.7 |