| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/06/11 | 3 | 20 | CAO | N12E65 | |
| 2025/06/12 | 2 | 20 | HSX | N10E46 | |
| 2025/06/13 | 1 | 30 | HSX | N10E33 | |
| 2025/06/14 | 1 | 20 | HSX | N10E18 | |
| 2025/06/15 | 1 | 30 | HSX | N10E05 | |
| 2025/06/16 | 1 | 20 | HSX | N10W09 | |
| 2025/06/17 | 1 | 10 | AXX | N10W22 | |
| 2025/06/18 | 1 | 10 | AXX | N10W36 | |
| 2025/06/19 | 1 | 10 | AXX | N10W50 |
| C |
|---|
| 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.3 | 2025/06/14 | 18:46 | 19:04 | 19:16 | |
| 2 | C4.1 | 2025/06/17 | 00:49 | 00:53 | 00:56 | |
| 3 | C1.5 | 2025/06/22 | 17:34 | 17:41 | 17:47 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.8 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 141.3 +17.3 |
| Last 30 days | 123.1 +14.7 |