
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 90 33 | 2 2 | B7.43 | C2.79 | 3 |
Region 11575 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 3 | 260 -60 | EHO | N08E11 | |
Solar flares on this day | ||||
| C1.38 | ||||
Region 11576 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 50 | DSO | S22E17 | |
Region 11577 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 8 | 100 80 | DAI | N08E30 | |
All times in UTC
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | 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 | 128.3 +42.3 |
| Last 30 days | 98.2 +38.5 |