| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/09/29 | 6 | 10 | BXO | S13W26 | |
| 2025/09/30 | 7 | 60 | DAO | S15W42 | |
| 2025/10/01 | 6 | 120 | DSO | S14W55 | |
| 2025/10/02 | 5 | 100 | DSO | S14W69 | |
| 2025/10/03 | 2 | 100 | CSO | S15W83 | |
| 2025/10/04 | 2 | 100 | CSO | S14W98 |
| C | M |
|---|---|
| 1 | 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.8 | 2025/09/30 | 12:02 | 12:27 | 12:48 | |
| 2 | M1.2 | 2025/10/03 | 14:19 | 14:36 | 15:15 | |
| 3 | C7.9 | 2025/10/03 | 15:15 | 15:35 | 15:49 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/19 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 81 -4.9 |
| Last 30 days | 92.5 +30.9 |