Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 2, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4167 | N10 | W23 | 15 | 0070 | Beta-Gamma | Aug 1, 2025 | Aug 8, 2025 | Aug 22, 2025 |
| № 4166 | N24 | W51 | 07 | 0050 | Beta | Jul 30, 2025 | Aug 6, 2025 | Aug 20, 2025 |
| № 4165 | N12 | E46 | 04 | 0100 | Beta | Aug 6, 2025 | Aug 13, 2025 | Aug 27, 2025 |
| № 4161 | S13 | E15 | 06 | 0060 | Beta | Aug 4, 2025 | Aug 11, 2025 | Aug 24, 2025 |
| № 4157 | S19 | W51 | 01 | 0030 | Alpha | Jul 30, 2025 | Aug 6, 2025 | Aug 20, 2025 |
| № 4155 | S09 | W50 | 09 | 0010 | Beta | Jul 30, 2025 | Aug 6, 2025 | Aug 20, 2025 |
| № 4154 | S13 | W63 | 01 | 0030 | Alpha | Jul 29, 2025 | Aug 5, 2025 | Aug 19, 2025 |
| № 4153 | S27 | W72 | 06 | 0070 | Beta | Jul 28, 2025 | Aug 4, 2025 | Aug 18, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to August 2025. The gray background is the average SSN index.
