
| Sunspot number | New regions | Background flux | Maximum flux | C | X |
|---|---|---|---|---|---|
| 90 -5 | 2 2 | C1.26 | X1.61 | 8 | 1 |
Region 11887 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -6 | 30 -50 | CRO | N19W71 | |
Solar flares on this day | ||||
| C1.97 | ||||
Region 11890 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 42 -16 | 660 -260 | EKC | S11W15 | |
Solar flares on this day | ||||
| X1.62 C4.58 C4.41 C1.92 | ||||
Region 11891 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 -8 | 80 -40 | DAO | S18W50 | |
Region 11893 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 210 80 | HSX | S12E54 | |
All times in UTC
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.4 +13.7 |