
| Sunspot number | New regions | Background flux | Maximum flux | C | M | X |
|---|---|---|---|---|---|---|
| 131 -10 | 0 -1 | C3.67 | X1.45 | 3 | 6 | 1 |
Region 13685 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 110 | DSO | S13W0* | |
Region 13686 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 20 -30 | HRX | S09W95 | |
Region 13690 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HSX | N17W08 | |
Region 13691 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 27 7 | 300 -100 | EKC | N27E06 | |
Solar flares on this day | ||||
| M2.75 M5.73 | ||||
Region 13692 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -4 | 10 -20 | AXX | S08W38 | |
Region 13693 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 40 -10 | DAO | N05W08 | |
Region 13695 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 4 | 10 -10 | BXO | N28E19 | |
Solar flares on this day | ||||
| M1.82 | ||||
Region 13696 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N09E24 | |
Region 13697 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 1 | 400 150 | EKI | S18E55 | |
Solar flares on this day | ||||
| C6.6 C6.5 M1.3 M1.47 C8.2 M2.57 X1.45 | ||||
All times in UTC
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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 | 114.3 +28.4 |
| Last 30 days | 102.4 +48.5 |