Viewing archive of Wednesday, 4 March 2026 - 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 |
|---|---|---|---|---|
| 71 7 | 1 1 | B4.46 | C4.12 | 2 |
Sunspot regions
Region 14378 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 6 | 230 -20 | CSO | N16W16 | |
|
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Region 14381 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -1 | 170 -50 | CAO | N08E15 | |
|
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Region 14383 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N15W55 | |
|
||||
Region 14384 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -2 | 290 -10 | EHO | N09E39 | |
|
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Solar flares on this day | ||||
| C4.1 C3.9 | ||||
Region 14385 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 10 | BXO | S09E31 | |
|
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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
Latest forum messages
AR4405 73X1.5 CME (2026-03-30) 103Comet C/2026 A1 (MAPS) for the southern hemisphere 26Photographing auroras 239Unspecified geomagnetic activity 136
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Space weather facts
| Last X-flare | 2026/03/30 | X1.4 |
| 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 | 86.6 +8.4 |
| Last 30 days | 86.6 +11.2 |
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