Viewing archive of Monday, 28 July 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 |
|---|---|---|---|---|
| 134 8 | 2 1 | B8.36 | C1.99 | 1 |
Sunspot regions
Region 14149 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 80 -70 | CSO | N17W49 | |
|
||||
Region 14150 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 -10 | HSX | S15W53 | |
|
||||
Region 14153 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 130 -30 | ESO | S30W21 | |
|
||||
Solar flares on this day | ||||
| C1.5 | ||||
Region 14154 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 50 20 | CSO | S14W09 | |
|
||||
Region 14155 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -7 | 20 -40 | CRI | S09E04 | |
|
||||
Region 14157 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 -20 | HSX | S19W00 | |
|
||||
Region 14160 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 8 -22 | AXX | S08E20 | |
|
||||
Region 14161 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 5 | 80 -40 | DAO | S13E62 | |
|
||||
Region 14162 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | AXX | N17W13 | |
|
||||
Region 14163 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 10 | BXO | N24W09 | |
|
||||
All times in UTC
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
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Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/23 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 79.2 +1 |
| Last 30 days | 75.6 -9.1 |