| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/07/27 | 1 | 120 | HSX | S13E75 | |
| 2025/07/28 | 6 | 80 | DAO | S13E62 | |
| 2025/07/29 | 4 | 40 | ESO | S12E53 | |
| 2025/07/30 | 6 | 110 | ESO | S13E39 | |
| 2025/07/31 | 4 | 110 | ESO | S12E25 | |
| 2025/08/01 | 6 | 60 | ESO | S13E14 | |
| 2025/08/02 | 4 | 80 | ESO | S13W02 | |
| 2025/08/03 | 4 | 70 | CSO | S12W15 | |
| 2025/08/04 | 3 | 50 | CSO | S13W32 | |
| 2025/08/05 | 6 | 40 | CSO | S14W36 | |
| 2025/08/06 | 4 | 30 | CSO | S14W58 | |
| 2025/08/07 | 2 | 20 | CSO | S13W71 | |
| 2025/08/08 | 1 | 60 | CSO | S15W86 | |
| 2025/08/09 | 1 | 60 | CSO | S15W0* |
| C |
|---|
| 4 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.1 | 2025/07/27 | 18:32 | 18:44 | 18:52 | |
| 2 | C2.1 | 2025/07/30 | 19:23 | 19:43 | 19:52 | |
| 3 | C2.0 | 2025/07/27 | 14:18 | 14:26 | 14:35 | |
| 4 | C1.9 | 2025/08/08 | 21:19 | 21:27 | 21:32 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/03/28 | M1.3 |
| 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 |
| April 2026 | 130 +51.8 |
| Last 30 days | 91.6 +20.3 |