
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 40 -8 | 0 | B1.57 | C3.26 | 4 |
Region 12671 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 | 250 -180 | FSI | N10W31 | |
Solar flares on this day | ||||
| C2.59 C3.14 | ||||
Region 12672 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 5 | 270 110 | DAO | N08E47 | |
Solar flares on this day | ||||
| B4.59 C3.68 C2.01 | ||||
All times in UTC
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| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |