| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 162 13 | 0 -1 | C1.55 | C5.51 | 9 |
Region 13901 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 60 20 | HSX | S09W85 | |
Region 13902 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 | HSX | S16W43 | |
Region 13905 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 | 400 20 | EKO | S07W30 | |
Solar flares on this day | ||||
| C3.0 C2.7 | ||||
Region 13906 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 36 14 | 500 80 | EKI | S16W29 | |
Solar flares on this day | ||||
| C3.1 C2.9 C5.4 | ||||
Region 13907 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 10 -10 | BXO | S21W63 | |
Region 13908 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | BXO | N13W00 | |
Solar flares on this day | ||||
| C5.3 C4.5 | ||||
Region 13910 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 250 | CKO | N16E28 | |
Solar flares on this day | ||||
| C4.4 | ||||
Region 13911 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 40 10 | CSO | S16W74 | |
Region 13912 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 120 10 | DSO | S04E50 | |
Solar flares on this day | ||||
| C4.9 | ||||
All times in UTC
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/08 | M2.0 |
| 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |