| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/03/16 | 3 | 10 | BXO | S17E56 | |
| 2025/03/17 | 3 | 20 | CRO | S14E38 | |
| 2025/03/18 | 5 | 10 | BXO | S13E28 | |
| 2025/03/19 | 11 | 10 | BXI | S13E16 | |
| 2025/03/20 | 8 | 20 | CSO | S13E04 | |
| 2025/03/21 | 4 | 20 | CRO | S12W09 | |
| 2025/03/22 | 1 | 10 | AXX | S11W23 | |
| 2025/03/23 | 1 | 10 | AXX | S11W35 |
| C |
|---|
| 4 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.6 | 2025/03/17 | 22:38 | 22:45 | 22:53 | |
| 2 | C2.5 | 2025/03/25 | 17:57 | 18:04 | 18:09 | |
| 3 | C2.4 | 2025/03/17 | 06:37 | 06:46 | 06:54 | |
| 4 | C2.1 | 2025/03/21 | 10:55 | 11:08 | 11:21 |
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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 |