
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 78 -27 | 0 -1 | B7.29 | M1.93 | 9 | 3 |
Region 11166 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 47 22 | 690 -60 | EKC | N09W39 | |
Solar flares on this day | ||||
| M1.86 C3.14 M1 M1.37 C1.43 C1.29 | ||||
Region 11169 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 26 11 | 250 90 | EKI | N20W09 | |
Solar flares on this day | ||||
| C1.33 C3.14 C1.71 C2 C3.14 | ||||
Region 11172 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | N11E72 | |
Solar flares on this day | ||||
| C2.29 | ||||
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 |