
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 94 -28 | 0 | C1.29 | M1.42 | 4 | 1 |
Region 11518 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 20 10 | BXO | N09W13 | |
Region 11519 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -7 | 60 -40 | HSX | S16W04 | |
Solar flares on this day | ||||
| C2.49 | ||||
Region 11520 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 60 3 | 1370 50 | FKC | S16E19 | |
Solar flares on this day | ||||
| C2.84 C8.14 | ||||
Region 11521 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 6 | 190 80 | DSI | S22E05 | |
Solar flares on this day | ||||
| C4.92 M1.42 | ||||
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 | 85.9 -0 |
| Last 30 days | 93.9 +32.1 |