Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0107 0107 0107 170 0113 0113 0113 110 0152 0212 0222 4140 C1.5 110 0251 0251 0252 2200 0257 0300 0301 920 0311 0311 0311 110 2144 2150 2159 C8.9 2000 2312 2317 2319 C2.7 140 2338 2338 2338 330
10 cm 128 SSN 102 Afr/Ap 017/023 X-ray Background B7.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.7e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.60e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W0 degrees) 3 Hour K-indices Boulder 4 4 4 5 4 3 3 3 Planetary 4 5 4 3 4 3 3 3
None.
All times in UTC
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| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/21 | M6.9 |
| Last geomagnetic storm | 2026/06/11 | Kp5 (G1) |
| 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 | 97.5 -3.9 |
| Last 30 days | 107.2 +8.4 |