| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/08/04 | 4 | 80 | CAO | N22E66 | |
| 2025/08/05 | 4 | 70 | CAO | N23E55 | |
| 2025/08/06 | 3 | 80 | CAO | N23E46 | |
| 2025/08/07 | 4 | 70 | CAO | N22E31 | |
| 2025/08/08 | 7 | 110 | CSO | N23E19 | |
| 2025/08/09 | 2 | 80 | HSX | N12E04 | |
| 2025/08/10 | 2 | 80 | HSX | N23W08 | |
| 2025/08/11 | 2 | 60 | HAX | N21W21 | |
| 2025/08/12 | 3 | 40 | HAX | N21W35 | |
| 2025/08/14 | 1 | 30 | HSX | N23W61 | |
| 2025/08/15 | 1 | 40 | HSX | N22W72 | |
| 2025/08/16 | 1 | 30 | HSX | N22W84 | |
| 2025/08/17 | 1 | 30 | HSX | N22W98 |
| C |
|---|
| 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.0 | 2025/08/07 | 01:16 | 01:40 | 01:54 | |
| 2 | C4.0 | 2025/08/07 | 01:54 | 02:00 | 02:03 | |
| 3 | C3.9 | 2025/08/07 | 23:56 | 00:04 | 00:11 |
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| Last X-flare | 2026/02/02 | X2.9 |
| Last M-flare | 2026/02/01 | M1.3 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| Last 30 days | 119 +4.2 |