| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/06/04 | 5 | 50 | DAO | N12E52 | |
| 2015/06/05 | 9 | 100 | DAI | N13E39 | |
| 2015/06/06 | 10 | 80 | DAO | N14E23 | |
| 2015/06/07 | 10 | 90 | DAI | N15E09 | |
| 2015/06/08 | 13 | 140 | EAC | N15W04 | |
| 2015/06/09 | 20 | 130 | EAC | N15W17 | |
| 2015/06/10 | 20 | 120 | EAI | N15W31 | |
| 2015/06/11 | 20 | 70 | EAI | N15W43 | |
| 2015/06/12 | 13 | 90 | EAI | N14W55 | |
| 2015/06/13 | 16 | 220 | EAC | N15W68 | |
| 2015/06/14 | 6 | 150 | EAI | N15W82 | |
| 2015/06/15 | 2 | 60 | CAO | N15W91 | |
| 2015/06/16 | 2 | 60 | CAO | N15W0* |
| C | M |
|---|---|
| 34 | 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.97 | 2015/06/14 | 00:52 | 00:59 | 01:09 | |
| 2 | M1.92 | 2015/06/13 | 07:20 | 07:29 | 07:47 | |
| 3 | M1.25 | 2015/06/12 | 23:32 | 23:48 | 00:01 | |
| 4 | C8.46 | 2015/06/13 | 02:25 | 02:37 | 02:43 | |
| 5 | C8.43 | 2015/06/13 | 00:29 | 00:33 | 00:37 | |
| 6 | C8.29 | 2015/06/09 | 03:40 | 03:53 | 04:09 | |
| 7 | C8.28 | 2015/06/13 | 09:38 | 09:45 | 09:49 | |
| 8 | C7.03 | 2015/06/13 | 14:25 | 14:37 | 14:45 | |
| 9 | C6.64 | 2015/06/11 | 02:31 | 02:43 | 02:51 | |
| 10 | C6.23 | 2015/06/13 | 06:19 | 06:25 | 06:31 |
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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 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |