Viewing archive of Thursday, 15 May 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 |
|---|---|---|---|---|---|
| 45 -8 | 0 -1 | B5.21 | M2.14 | 9 | 1 |
Sunspot regions
Region 14082 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 -20 | HSX | S09W92 | |
|
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Region 14087 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 5 | 250 50 | DHO | N15E38 | |
|
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Solar flares on this day | ||||
| C1.0 C1.2 C1.2 C3.6 M2.1 C1.2 C9.6 | ||||
Region 14088 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 20 10 | CRO | N09W56 | |
|
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Solar flares on this day | ||||
| C1.3 | ||||
All times in UTC
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/02 | M3.5 |
| 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 |
| April 2026 | 130 +51.8 |
| Last 30 days | 92.6 +25.1 |
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