Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 31, 2025. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4104 | N06 | E44 | 03 | 0080 | Beta | Jun 4, 2025 | Jun 11, 2025 | Jun 24, 2025 |
| № 4101 | N05 | E01 | 03 | 0030 | Beta | Jun 1, 2025 | Jun 8, 2025 | Jun 21, 2025 |
| № 4100 | N08 | E16 | 26 | 0440 | Beta-Gamma | Jun 2, 2025 | Jun 9, 2025 | Jun 22, 2025 |
| № 4099 | S14 | E05 | 13 | 0250 | Beta-Gamma-Delta | Jun 1, 2025 | Jun 8, 2025 | Jun 22, 2025 |
| № 4096 | N07 | W47 | 01 | 0060 | Alpha | May 28, 2025 | Jun 4, 2025 | Jun 18, 2025 |
| № 4092 | S13 | W80 | 01 | 0120 | Alpha | May 26, 2025 | Jun 2, 2025 | Jun 15, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to May 2025. The gray background is the average SSN index.
