| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/06/07 | 3 | 10 | CRO | S16E41 | |
| 2025/06/08 | 5 | 20 | CRO | S15E25 | |
| 2025/06/09 | 3 | 20 | CRO | S16E09 | |
| 2025/06/10 | 3 | 10 | CRO | S07W05 | |
| 2025/06/11 | 3 | 10 | CRO | S17W18 | |
| 2025/06/12 | 1 | 10 | AXX | S17W32 | |
| 2025/06/15 | 2 | 20 | CAO | S17W74 | |
| 2025/06/16 | 4 | 20 | CAO | S17W90 | |
| 2025/06/17 | 4 | 20 | CAO | S17W0* |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.0 | 2025/06/16 | 06:25 | 06:39 | 06:45 |
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| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/03 | M7.9 |
| 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 |
| June 2026 | 139.5 +60.2 |
| Last 30 days | 97.8 +5.2 |