Viewing archive of Monday, 29 September 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 |
|---|---|---|---|---|---|
| 170 39 | 3 2 | C1.72 | M3.67 | 16 | 4 |
Sunspot regions
Region 14225 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 120 30 | HSX | N08W91 | |
|
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Region 14226 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 70 -60 | HSX | S11W34 | |
|
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Region 14227 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 10 -20 | BXO | S17W56 | |
|
||||
Solar flares on this day | ||||
| C4.5 C2.5 | ||||
Region 14228 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | AXX | N05W41 | |
|
||||
Region 14230 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 9 | 100 30 | DAO | S11W03 | |
|
||||
Solar flares on this day | ||||
| C8.4 | ||||
Region 14232 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 250 70 | DHO | N05E35 | |
|
||||
Solar flares on this day | ||||
| M3.6 C6.5 M1.13 C3.5 C3.8 | ||||
Region 14233 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 2 | 60 | DAO | N17E34 | |
|
||||
Solar flares on this day | ||||
| C3.9 M1.05 C3.0 | ||||
Region 14235 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 25 5 | CAO | N28E38 | |
|
||||
Region 14236 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 5 | 80 50 | DAI | N11E27 | |
|
||||
Solar flares on this day | ||||
| C2.9 C3.6 M1.0 C4.4 C3.4 C3.3 C3.0 C3.9 | ||||
Region 14237 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | BXO | N16W05 | |
|
||||
Region 14238 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 10 | BXO | S13W26 | |
|
||||
Region 14239 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 45 | HAX | S09W27 | |
|
||||
All times in UTC
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 85.2 +7 |
| Last 30 days | 85.2 +9.8 |
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