
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 81 17 | 1 1 | B8.29 | C3.41 | 15 |
Region 11618 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 -1 | 270 -70 | EKC | N08W55 | |
Solar flares on this day | ||||
| C1.56 | ||||
Region 11620 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 7 | 50 30 | DAI | S13W14 | |
Solar flares on this day | ||||
| C2.74 C2.14 C2.67 C2.81 C2.76 C1.41 C1.29 C2.44 C3.4 C1.77 C3.08 C1.92 | ||||
Region 11621 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 100 40 | HSX | N15E62 | |
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 | 118.8 +32.8 |
| Last 30 days | 102.1 +47 |