Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4166 | N24 | W26 | 04 | 0010 | Beta | Jul 30, 2025 | Aug 6, 2025 | Aug 20, 2025 |
| № 4165 | N12 | E72 | 02 | 0080 | Beta | Aug 6, 2025 | Aug 13, 2025 | Aug 27, 2025 |
| № 4161 | S12 | E39 | 06 | 0110 | Beta | Aug 4, 2025 | Aug 11, 2025 | Aug 24, 2025 |
| № 4157 | S21 | W28 | 01 | 0040 | Alpha | Jul 30, 2025 | Aug 6, 2025 | Aug 20, 2025 |
| № 4155 | S09 | W24 | 16 | 0030 | Beta | Jul 30, 2025 | Aug 6, 2025 | Aug 20, 2025 |
| № 4154 | S15 | W36 | 03 | 0040 | Alpha | Jul 29, 2025 | Aug 5, 2025 | Aug 19, 2025 |
| № 4153 | S29 | W47 | 07 | 0120 | Beta | Jul 28, 2025 | Aug 4, 2025 | Aug 18, 2025 |
| № 4150 | S15 | W83 | 01 | 0030 | Alpha | Jul 26, 2025 | Aug 2, 2025 | Aug 15, 2025 |
| № 4149 | N16 | W81 | 01 | 0070 | Alpha | Jul 26, 2025 | Aug 2, 2025 | Aug 15, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to July 2025. The gray background is the average SSN index.
