
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 137 -53 | 0 -2 | C1.33 | C9.5 | 2 |
Region 8673 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 170 -100 | HAX | S20W76 | |
Region 8674 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 -23 | 250 -230 | FAI | S23W61 | |
Solar flares on this day | ||||
| C9.5 | ||||
Region 8675 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 -1 | 100 -70 | DSO | N20W12 | |
Region 8677 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 60 -10 | CSO | N07W07 | |
Solar flares on this day | ||||
| C3.86 | ||||
Region 8679 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 10 | BXO | S30E00 | |
Region 8681 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 30 2 | 260 -20 | EAI | N22W31 | |
Region 8682 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 10 -10 | HSX | N19E37 | |
Region 8684 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 2 | 10 10 | BXO | S12E35 | |
Region 8685 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 20 | BXO | S08E66 | |
Region 8686 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 10 | BXO | S24E05 | |
All times in UTC
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M7.6 |
| 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 | 133.3 +47.4 |
| Last 30 days | 96.1 +32 |