| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/06/11 | 6 | 30 | CRO | N17E63 | |
| 2025/06/12 | 5 | 70 | CAI | N18E50 | |
| 2025/06/13 | 14 | 80 | DAI | N18E39 | |
| 2025/06/14 | 19 | 270 | DKI | N17E26 | |
| 2025/06/15 | 27 | 380 | EKC | N17E12 | |
| 2025/06/16 | 30 | 330 | EKC | N18W01 | |
| 2025/06/17 | 32 | 330 | EKC | N18W12 | |
| 2025/06/18 | 32 | 360 | EKC | N18W26 | |
| 2025/06/19 | 32 | 400 | EKC | N21W41 | |
| 2025/06/20 | 20 | 270 | EKC | N18W54 | |
| 2025/06/21 | 8 | 320 | EHI | N19W67 | |
| 2025/06/22 | 3 | 220 | ESO | N20W78 | |
| 2025/06/23 | 1 | 90 | HSX | N21W90 | |
| 2025/06/24 | 1 | 90 | HSX | N20W0* |
| B | C | M | X |
|---|---|---|---|
| 3 | 35 | 5 | 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.9 | 2025/06/19 | 23:37 | 23:50 | 23:54 | |
| 2 | X1.27 | 2025/06/17 | 21:38 | 21:49 | 21:54 | |
| 3 | M8.4 | 2025/06/15 | 17:45 | 18:07 | 18:25 | |
| 4 | M6.4 | 2025/06/16 | 09:17 | 09:38 | 09:48 | |
| 5 | M4.61 | 2025/06/20 | 00:02 | 00:04 | 00:06 | |
| 6 | M1.8 | 2025/06/16 | 04:08 | 04:23 | 04:42 | |
| 7 | M1.2 | 2025/06/15 | 23:43 | 23:57 | 00:05 | |
| 8 | C9.9 | 2025/06/15 | 19:38 | 19:50 | 20:04 | |
| 9 | C8.3 | 2025/06/14 | 21:12 | 21:37 | 21:52 | |
| 10 | C7.9 | 2025/06/15 | 19:23 | 19:31 | 19:35 |
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |