| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/05/29 | 5 | 10 | BXO | S17E01 | |
| 2023/05/30 | 13 | 70 | DAI | S19W15 | |
| 2023/05/31 | 19 | 300 | DHI | S18W29 | |
| 2023/06/01 | 13 | 240 | EAI | S19W40 | |
| 2023/06/02 | 13 | 240 | EAI | S19W55 | |
| 2023/06/03 | 13 | 200 | EAI | S19W70 | |
| 2023/06/04 | 7 | 220 | EAC | S20W83 | |
| 2023/06/05 | 1 | 60 | HSX | S22W95 | |
| 2023/06/06 | 1 | 60 | HSX | S22W0* |
| C |
|---|
| 5 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.0 | 2023/05/30 | 16:29 | 16:50 | 16:59 | |
| 2 | C5.6 | 2023/05/31 | 05:14 | 05:25 | 05:45 | |
| 3 | C3.2 | 2023/06/04 | 00:08 | 00:15 | 00:19 | |
| 4 | C2.8 | 2023/06/03 | 21:40 | 21:47 | 22:09 | |
| 5 | C2.2 | 2023/06/03 | 14:01 | 14:09 | 14:14 |
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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 |