| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2010/04/05 | 4 | 90 | DRO | N24E58 | |
| 2010/04/06 | 4 | 60 | CRO | N25E45 | |
| 2010/04/07 | 3 | 30 | CRO | N26E32 | |
| 2010/04/08 | 1 | 10 | AXX | N24E14 | |
| 2010/04/09 | 1 | 0 | AXX | N25E00 |
| B |
|---|
| 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B5.13 | 2010/04/09 | 04:44 | 04:55 | 05:02 | |
| 2 | B5.12 | 2010/04/08 | 02:30 | 03:25 | 03:50 | |
| 3 | B2.02 | 2010/04/06 | 03:53 | 04:02 | 04:10 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| March 2026 | 83.5 -29.1 |
| Last 30 days | 67.7 -52.1 |