
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 127 -45 | 1 1 | B5.57 | C5.57 | 2 |
Region 12021 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 28 -1 | 310 -10 | DKI | S13W56 | |
Solar flares on this day | ||||
| B7.8 | ||||
Region 12022 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 0 -10 | AXX | N17W44 | |
Region 12026 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 40 13 | 260 -130 | EKI | S11W02 | |
Region 12027 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 2 | 150 | CSO | N12E04 | |
Solar flares on this day | ||||
| B7.33 | ||||
Region 12028 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 10 | AXX | S08E10 | |
Region 12029 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 70 | CSO | N17W11 | |
Region 12030 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 2 | 130 30 | EAO | N11E18 | |
Solar flares on this day | ||||
| B7.09 | ||||
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 | 103.2 +49.3 |