| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2010/06/28 | 1 | 90 | HSX | S19E59 | |
| 2010/06/29 | 1 | 90 | HSX | S19E46 | |
| 2010/06/30 | 1 | 100 | HSX | S19E34 | |
| 2010/07/01 | 1 | 110 | HSX | S19E19 | |
| 2010/07/02 | 1 | 110 | HSX | S19E07 | |
| 2010/07/03 | 1 | 100 | HSX | S20W06 | |
| 2010/07/04 | 1 | 150 | HSX | S19W19 | |
| 2010/07/05 | 1 | 110 | HSX | S19W32 | |
| 2010/07/06 | 1 | 100 | HSX | S19W46 | |
| 2010/07/07 | 1 | 110 | HSX | S19W59 | |
| 2010/07/08 | 1 | 100 | HSX | S19W71 | |
| 2010/07/09 | 1 | 50 | HSX | S19W86 |
| B |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B1.07 | 2010/07/01 | 20:54 | 20:58 | 21:01 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| 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 | 101.7 +15.8 |
| Last 30 days | 97.2 +38.9 |