| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/06/12 | 5 | 30 | DRO | S19E70 | |
| 2015/06/13 | 9 | 200 | DAO | S18E58 | |
| 2015/06/14 | 12 | 300 | EKI | S20E44 | |
| 2015/06/15 | 15 | 340 | EKC | S20E34 | |
| 2015/06/16 | 29 | 400 | EKC | S20E20 | |
| 2015/06/17 | 22 | 360 | EHC | S20E05 | |
| 2015/06/18 | 21 | 340 | EKC | S20W07 | |
| 2015/06/19 | 23 | 300 | EKI | S20W21 | |
| 2015/06/20 | 23 | 300 | EKI | S20W35 | |
| 2015/06/21 | 34 | 290 | EKI | S20W49 | |
| 2015/06/22 | 34 | 290 | EKI | S20W49 | |
| 2015/06/23 | 9 | 240 | EAC | S19W77 | |
| 2015/06/24 | 7 | 120 | EAC | S20W92 | |
| 2015/06/25 | 7 | 120 | EAC | S20W0* | |
| 2015/06/25 | 7 | 120 | EAC | S20W0* |
| C | M |
|---|---|
| 26 | 8 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M5.54 | 2015/06/21 | 09:38 | 09:44 | 09:50 | |
| 2 | M3.85 | 2015/06/21 | 02:06 | 02:36 | 03:02 | |
| 3 | M1.63 | 2015/06/21 | 18:10 | 18:20 | 18:28 | |
| 4 | M1.51 | 2015/06/11 | 08:49 | 08:55 | 08:59 | |
| 5 | M1.25 | 2015/06/11 | 14:30 | 14:37 | 14:41 | |
| 6 | M1.08 | 2015/06/22 | 05:09 | 05:19 | 05:40 | |
| 7 | M1.03 | 2015/06/18 | 00:18 | 00:24 | 00:28 | |
| 8 | M1.01 | 2015/06/11 | 15:12 | 15:19 | 15:23 | |
| 9 | C7.57 | 2015/06/17 | 22:16 | 22:53 | 22:57 | |
| 10 | C6.48 | 2015/06/11 | 11:56 | 12:01 | 12:04 |
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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 |