| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/04/16 | 2 | 10 | BXO | N05E08 | |
| 2025/04/17 | 2 | 10 | BXO | N05W07 | |
| 2025/04/18 | 2 | 10 | BXO | N05W19 | |
| 2025/04/19 | 3 | 10 | BXO | N05W35 | |
| 2025/04/20 | 3 | 10 | BXO | N04W49 | |
| 2025/04/21 | 9 | 30 | CRO | N05W63 | |
| 2025/04/22 | 2 | 10 | CRO | N05W79 | |
| 2025/04/23 | 2 | 10 | CRO | N05W94 |
| C | M |
|---|---|
| 2 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.3 | 2025/04/22 | 08:38 | 10:49 | 11:34 | |
| 2 | C4.2 | 2025/04/20 | 17:01 | 17:18 | 17:35 | |
| 3 | C2.1 | 2025/04/21 | 06:31 | 06:42 | 06:51 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 84 +5.8 |
| Last 30 days | 84 +6.2 |