| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/04/28 | 2 | 120 | DSO | N08E74 | |
| 2025/04/29 | 5 | 560 | EHI | N08E63 | |
| 2025/04/30 | 13 | 1040 | EKC | N09E51 | |
| 2025/05/01 | 14 | 1200 | EKC | N08E41 | |
| 2025/05/02 | 17 | 1210 | EKC | N08E27 | |
| 2025/05/03 | 32 | 1200 | EKC | N08E15 | |
| 2025/05/04 | 30 | 1200 | EKC | N08E01 | |
| 2025/05/05 | 34 | 1230 | EKC | N08W12 | |
| 2025/05/06 | 32 | 1250 | EKC | N08W26 | |
| 2025/05/07 | 35 | 1220 | EKC | N08W39 | |
| 2025/05/08 | 18 | 1160 | EKC | N08W52 | |
| 2025/05/09 | 16 | 1100 | DKC | N07W67 | |
| 2025/05/10 | 8 | 640 | CKI | N04W82 | |
| 2025/05/11 | 3 | 140 | CSO | N08W95 | |
| 2025/05/12 | 3 | 140 | CSO | N08W0* |
| B | C | M |
|---|---|---|
| 2 | 96 | 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.03 | 2025/04/30 | 07:41 | 07:51 | 07:56 | |
| 2 | M1.9 | 2025/05/12 | 23:55 | 00:01 | 00:06 | |
| 3 | M1.7 | 2025/04/29 | 05:10 | 05:13 | 05:17 | |
| 4 | C5.5 | 2025/05/10 | 16:16 | 16:21 | 16:26 | |
| 5 | C5.2 | 2025/04/29 | 14:57 | 15:05 | 15:09 | |
| 6 | C4.8 | 2025/05/09 | 11:14 | 11:21 | 11:25 | |
| 7 | C4.5 | 2025/05/06 | 17:02 | 17:07 | 17:11 | |
| 8 | C4.0 | 2025/05/07 | 02:44 | 02:52 | 02:59 | |
| 9 | C4.0 | 2025/05/08 | 03:26 | 03:33 | 03:37 | |
| 10 | C3.6 | 2025/05/02 | 21:39 | 21:43 | 21:45 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | M2.0 |
| 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |