Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4035 | N15 | E32 | 04 | 0080 | Beta | Mar 24, 2025 | Mar 31, 2025 | Apr 14, 2025 |
| № 4034 | S12 | E04 | 08 | 0020 | Beta | Mar 22, 2025 | Mar 29, 2025 | Apr 12, 2025 |
| № 4031 | N17 | W48 | 12 | 0100 | Beta | Mar 18, 2025 | Mar 25, 2025 | Apr 8, 2025 |
| № 4030 | S17 | W13 | 01 | 0060 | Alpha | Mar 21, 2025 | Mar 28, 2025 | Apr 11, 2025 |
| № 4028 | S17 | W24 | 10 | 0060 | Beta | Mar 20, 2025 | Mar 27, 2025 | Apr 10, 2025 |
| № 4026 | S20 | W55 | 05 | 0020 | Beta | Mar 18, 2025 | Mar 25, 2025 | Apr 7, 2025 |
| № 4025 | N10 | W64 | 04 | 0090 | Beta | Mar 17, 2025 | Mar 24, 2025 | Apr 7, 2025 |
| № 4022 | N05 | W78 | 02 | 0010 | Alpha | Mar 16, 2025 | Mar 23, 2025 | Apr 5, 2025 |
| № 4021 | S04 | W62 | 03 | 0090 | Alpha | Mar 17, 2025 | Mar 24, 2025 | Apr 7, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to March 2025. The gray background is the average SSN index.
