| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/09/04 | 3 | 15 | BXO | N11E07 | |
| 2025/09/05 | 1 | 10 | AXX | N05W07 | |
| 2025/09/06 | 1 | 10 | AXX | N11W20 | |
| 2025/09/07 | 2 | 10 | AXX | N09W34 | |
| 2025/09/08 | 5 | 30 | CRO | N09W48 | |
| 2025/09/09 | 4 | 10 | BXO | N09W62 |
| C |
|---|
| 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.4 | 2025/09/07 | 14:28 | 15:01 | 15:29 | |
| 2 | C1.2 | 2025/09/08 | 02:16 | 02:49 | 03:06 | |
| 3 | C1.2 | 2025/09/08 | 03:27 | 03:56 | 04:21 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/11 | M1.3 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 129.4 +16.8 |
| Last 30 days | 129.3 +29.3 |