Sunspot region AR12828
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/05/30 | 2 | 10 | AXX | S22E33 | |
| 2021/05/31 | 1 | 10 | AXX | S31E19 | |
| 2021/06/01 | 1 | 0 | AXX | S31E06 |
2021/05/30
2021/05/31
2021/06/01
|
2021/05/30
2021/05/31
2021/06/01
|
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 12828
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B1.5 | 2021/06/06 | 02:38 | 02:47 | 02:52 |
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 | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 94.2 +8.3 |
| Last 30 days | 94.7 +35.4 |
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