Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 4, 2026. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4411 | S05 | E43 | 02 | 0010 | Alpha | Apr 8, 2026 | Apr 15, 2026 | Apr 29, 2026 |
| № 4409 | N02 | W04 | 16 | 0140 | Beta-Gamma | Apr 5, 2026 | Apr 12, 2026 | Apr 25, 2026 |
| № 4408 | N08 | W05 | 01 | 0070 | Alpha | Apr 5, 2026 | Apr 12, 2026 | Apr 25, 2026 |
| № 4406 | N07 | W32 | 01 | 0060 | Alpha | Apr 3, 2026 | Apr 10, 2026 | Apr 23, 2026 |
| № 4405 | S27 | W23 | 12 | 0180 | Beta | Apr 3, 2026 | Apr 10, 2026 | Apr 24, 2026 |
| № 4404 | N13 | W37 | 03 | 0040 | Beta | Apr 2, 2026 | Apr 9, 2026 | Apr 23, 2026 |
| № 4403 | N15 | W56 | 02 | 0050 | Beta | Apr 1, 2026 | Apr 8, 2026 | Apr 21, 2026 |
| № 4399 | S16 | W95 | 01 | 0050 | Alpha | Mar 29, 2026 | Apr 5, 2026 | Apr 19, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to April 2026. The gray background is the average SSN index.
