Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4455 | N15 | E67 | 03 | 0380 | Beta | Jun 3, 2026 | Jun 10, 2026 | Jun 23, 2026 |
| № 4454 | S15 | E50 | 01 | 0015 | Alpha | Jun 2, 2026 | Jun 8, 2026 | Jun 22, 2026 |
| № 4453 | N11 | W73 | 01 | 0005 | Alpha | May 23, 2026 | May 30, 2026 | Jun 13, 2026 |
| № 4452 | N09 | W32 | 14 | 0100 | Beta-Gamma | May 26, 2026 | Jun 2, 2026 | Jun 16, 2026 |
| № 4449 | S10 | E13 | 02 | 0040 | Beta | May 30, 2026 | Jun 6, 2026 | Jun 19, 2026 |
| № 4448 | S06 | E15 | 07 | 0010 | Beta | May 30, 2026 | Jun 6, 2026 | Jun 19, 2026 |
| № 4447 | S17 | W26 | 08 | 0140 | Beta | May 27, 2026 | Jun 3, 2026 | Jun 16, 2026 |
| № 4446 | S16 | E18 | 12 | 0300 | Beta-Gamma | May 30, 2026 | Jun 6, 2026 | Jun 20, 2026 |
| № 4445 | N07 | W13 | 01 | 0005 | Alpha | May 28, 2026 | Jun 4, 2026 | Jun 17, 2026 |
| № 4444 | S21 | W20 | 01 | 0090 | Alpha | May 27, 2026 | Jun 3, 2026 | Jun 17, 2026 |
| № 4443 | S17 | W79 | 01 | 0010 | Alpha | May 23, 2026 | May 30, 2026 | Jun 12, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to May 2026. The gray background is the average SSN index.
