Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 28, 2026. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 4520 | S13 | E36 | 04 | 0010 | Beta | Sep 1, 2026 | Sep 7, 2026 | Sep 21, 2026 |
| № 4519 | N27 | E27 | 01 | 0010 | Alpha | Aug 31, 2026 | Sep 7, 2026 | Sep 21, 2026 |
| № 4518 | N08 | E21 | 07 | 0020 | Beta | Aug 30, 2026 | Sep 6, 2026 | Sep 20, 2026 |
| № 4517 | N09 | W56 | 07 | 0150 | Beta | Aug 25, 2026 | Aug 31, 2026 | Sep 14, 2026 |
| № 4515 | S07 | W29 | 01 | 0030 | Alpha | Aug 27, 2026 | Sep 2, 2026 | Sep 16, 2026 |
| № 4513 | N04 | W41 | 12 | 0120 | Beta | Aug 26, 2026 | Sep 2, 2026 | Sep 15, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to August 2026. The gray background is the average SSN index.
