| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/10/16 | 5 | 40 | DAO | S16E66 | |
| 2025/10/17 | 3 | 30 | CSO | S16E51 | |
| 2025/10/18 | 6 | 140 | DAO | S16E40 | |
| 2025/10/19 | 4 | 100 | CAO | S15E26 | |
| 2025/10/20 | 4 | 30 | HRX | S15E10 | |
| 2025/10/21 | 1 | 10 | AXX | S17W01 | |
| 2025/10/22 | 1 | 10 | AXX | S16W15 | |
| 2025/10/23 | 1 | 10 | AXX | S16W28 | |
| 2025/10/27 | 1 | 10 | AXX | S19W81 |
| B | C |
|---|---|
| 4 | 8 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C9.1 | 2025/10/17 | 23:21 | 23:30 | 23:36 | |
| 2 | C3.0 | 2025/10/24 | 02:41 | 02:57 | 03:06 | |
| 3 | C2.6 | 2025/10/19 | 12:26 | 12:42 | 13:04 | |
| 4 | C2.1 | 2025/10/23 | 15:02 | 15:06 | 15:41 | |
| 5 | C1.4 | 2025/10/26 | 01:24 | 01:34 | 01:42 | |
| 6 | C1.3 | 2025/10/24 | 18:33 | 18:40 | 18:50 | |
| 7 | C1.3 | 2025/10/25 | 11:01 | 11:12 | 11:28 | |
| 8 | C1.2 | 2025/10/26 | 00:04 | 00:13 | 00:18 | |
| 9 | B9.2 | 2025/10/25 | 16:20 | 16:28 | 16:34 | |
| 10 | B9.1 | 2025/10/26 | 05:22 | 05:29 | 05:35 |
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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 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |