| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/04/21 | 3 | 60 | DSO | S06E67 | |
| 2025/04/22 | 3 | 70 | DSO | S26E46 | |
| 2025/04/23 | 3 | 60 | DSO | S27E35 | |
| 2025/04/24 | 2 | 50 | DSO | S26E22 | |
| 2025/04/25 | 1 | 20 | HAX | S26E08 | |
| 2025/04/26 | 1 | 10 | AXX | S26W05 | |
| 2025/04/27 | 1 | 10 | HRX | S25W17 | |
| 2025/04/28 | 2 | 10 | BXO | S25W30 | |
| 2025/04/29 | 1 | 10 | AXX | S24W44 | |
| 2025/04/30 | 1 | 10 | AXX | S24W58 |
| C | M |
|---|---|
| 1 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.0 | 2025/04/20 | 11:37 | 12:11 | 12:59 | |
| 2 | C2.2 | 2025/04/20 | 07:50 | 07:57 | 08:06 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/26 | M4.0 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 81.4 +3.2 |
| Last 30 days | 81.4 +3.6 |