| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2026/06/15 | 3 | 10 | BXO | S16E22 | |
| 2026/06/16 | 10 | 20 | BXI | S16E07 | |
| 2026/06/17 | 4 | 10 | BXO | S16W06 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.1 | 2026/06/17 | 05:13 | 05:20 | 05:22 |
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| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/06 | M1.8 |
| Last geomagnetic storm | 2026/06/11 | 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 | 111.8 +10.3 |
| Last 30 days | 110.1 +14.9 |