
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 64 -31 | 0 -2 | B2.29 | C1.53 | 1 |
Region 12087 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 60 -20 | CSO | S18W90 | |
Solar flares on this day | ||||
| B6.26 | ||||
Region 12090 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 80 20 | HSX | N25W78 | |
Region 12092 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 -10 | CRO | S19W74 | |
Solar flares on this day | ||||
| B5.66 | ||||
Region 12093 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 -3 | 50 -10 | EAO | S09W18 | |
Solar flares on this day | ||||
| C1.5 | ||||
Region 12094 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 1 | 20 -60 | CRO | S18W10 | |
Region 12096 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 | HSX | N09E70 | |
Solar flares on this day | ||||
| B4.9 B6.03 | ||||
Region 12097 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HAX | N13E76 | |
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 | 97.2 +11.3 |
| Last 30 days | 95.6 +37.2 |