| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/06/01 | 1 | 60 | HSX | S03E71 | |
| 2015/06/02 | 2 | 40 | HAX | S03E58 | |
| 2015/06/03 | 2 | 40 | HAX | S03E43 | |
| 2015/06/04 | 4 | 30 | CSO | S03E30 | |
| 2015/06/05 | 2 | 10 | BXO | S03E20 | |
| 2015/06/06 | 2 | 10 | AXX | S04E09 | |
| 2015/06/07 | 3 | 10 | AXX | S04W06 | |
| 2015/06/08 | 2 | 0 | AXX | S03W21 |
| B |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B8.25 | 2015/06/02 | 10:12 | 10:17 | 10:28 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2026/01/11 | M3.3 |
| Last geomagnetic storm | 2026/01/11 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 93.1 -30.9 |
| Last 30 days | 97.4 -9.1 |