| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/03/15 | 5 | 90 | ESO | S16E51 | |
| 2025/03/16 | 1 | 80 | HSX | S17E39 | |
| 2025/03/17 | 1 | 70 | HSX | S17E26 | |
| 2025/03/18 | 1 | 90 | HSX | S17E13 | |
| 2025/03/19 | 1 | 60 | HSX | S17W01 | |
| 2025/03/20 | 1 | 60 | HSX | S17W13 | |
| 2025/03/21 | 1 | 110 | HSX | S16W26 | |
| 2025/03/22 | 1 | 100 | HSX | S18W38 | |
| 2025/03/23 | 1 | 80 | HSX | S18W58 | |
| 2025/03/24 | 1 | 100 | HSX | S18W65 | |
| 2025/03/25 | 1 | 80 | HSX | S15W77 | |
| 2025/03/26 | 1 | 10 | HSX | S15W88 | |
| 2025/03/27 | 1 | 10 | HSX | S15W0* |
| C | M |
|---|---|
| 8 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.1 | 2025/03/14 | 22:18 | 22:21 | 22:32 | |
| 2 | C9.4 | 2025/03/25 | 12:16 | 12:29 | 12:44 | |
| 3 | C4.4 | 2025/03/25 | 09:42 | 09:49 | 10:01 | |
| 4 | C2.9 | 2025/03/19 | 11:21 | 11:40 | 12:02 | |
| 5 | C2.9 | 2025/03/19 | 11:16 | 11:41 | 12:05 | |
| 6 | C2.6 | 2025/03/25 | 08:11 | 08:19 | 08:29 | |
| 7 | C2.1 | 2025/03/15 | 23:47 | 23:59 | 00:14 | |
| 8 | C1.8 | 2025/03/15 | 16:38 | 16:52 | 17:04 | |
| 9 | C1.8 | 2025/03/16 | 23:24 | 23:31 | 23:39 |
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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 |