Viewing archive of Thursday, 28 August 2025 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 201 -26 | 0 -1 | C2.92 | M1.54 | 11 | 5 |
Sunspot regions
Region 14188 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HRX | S09W64 | |
|
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Region 14191 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -2 | 400 | EHI | N12W27 | |
|
||||
Region 14196 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | HRX | S12E11 | |
|
||||
Region 14197 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 43 14 | 720 | EKI | S17E16 | |
|
||||
Solar flares on this day | ||||
| C3.6 C8.5 M1.1 M1.0 C6.1 | ||||
Region 14198 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 1 | 10 | BXO | N11W07 | |
|
||||
Region 14199 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -4 | 200 30 | CAO | N04E30 | |
|
||||
Region 14200 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 | 80 40 | DAI | S08W28 | |
|
||||
Region 14201 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 4 | 120 20 | CSI | S21E30 | |
|
||||
Solar flares on this day | ||||
| C7.0 | ||||
Region 14202 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 150 | HAX | S15E34 | |
|
||||
Region 14203 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 50 -10 | DAO | N12W89 | |
|
||||
Solar flares on this day | ||||
| C5.4 C4.5 C4.8 C4.8 C4.9 M1.2 M1.5 | ||||
Region 14204 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 10 | HRX | N03E42 | |
|
||||
Solar flares on this day | ||||
| C5.5 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.6 |
| 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 | 160.6 +68.8 |
| Last 30 days | 108.7 +12.8 |