Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 4173 | S16 | W23 | 02 | 0010 | Beta | Aug 6, 2025 | Aug 13, 2025 | Aug 27, 2025 |
| № 4172 | N08 | E54 | 07 | 0020 | Beta-Gamma | Aug 12, 2025 | Aug 19, 2025 | Sep 1, 2025 |
| № 4171 | N19 | E67 | 01 | 0050 | Alpha | Aug 13, 2025 | Aug 20, 2025 | Sep 3, 2025 |
| № 4170 | S17 | W52 | 08 | 0090 | Beta-Gamma | Aug 4, 2025 | Aug 11, 2025 | Aug 24, 2025 |
| № 4169 | N23 | E48 | 03 | 0080 | Beta | Aug 12, 2025 | Aug 18, 2025 | Sep 1, 2025 |
| № 4168 | N05 | W21 | 22 | 0250 | Beta-Gamma-Delta | Aug 6, 2025 | Aug 13, 2025 | Aug 27, 2025 |
| № 4167 | N11 | W90 | 11 | 0250 | Beta-Gamma | Aug 1, 2025 | Aug 8, 2025 | Aug 21, 2025 |
| № 4165 | N12 | W21 | 06 | 0230 | Beta | Aug 6, 2025 | Aug 13, 2025 | Aug 27, 2025 |
| № 4161 | S14 | W56 | 04 | 0030 | Beta | Aug 4, 2025 | Aug 10, 2025 | Aug 24, 2025 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1996, January to 2025, August. Gray background - average solar cycle.

