| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/04/25 | 10 | 20 | DAO | N09E12 | |
| 2012/04/26 | 11 | 100 | DSO | N11W02 | |
| 2012/04/27 | 12 | 90 | DSO | N08W17 | |
| 2012/04/28 | 6 | 80 | DAO | N09W30 | |
| 2012/04/29 | 6 | 70 | DSO | N10W42 | |
| 2012/04/30 | 2 | 10 | BXO | N11W55 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.58 | 2012/05/02 | 01:31 | 01:37 | 01:41 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/28 | M1.11 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| Last 30 days | 90.3 -1 |