Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4409 | N02 | E39 | 04 | 0020 | Beta | Apr 5, 2026 | Apr 12, 2026 | Apr 25, 2026 |
| № 4408 | N08 | E38 | 01 | 0040 | Alpha | Apr 5, 2026 | Apr 12, 2026 | Apr 25, 2026 |
| № 4407 | N17 | E17 | 01 | 0010 | Alpha | Apr 3, 2026 | Apr 10, 2026 | Apr 24, 2026 |
| № 4406 | N08 | E12 | 01 | 0050 | Alpha | Apr 3, 2026 | Apr 10, 2026 | Apr 23, 2026 |
| № 4405 | S27 | E18 | 11 | 0200 | Beta-Gamma | Apr 3, 2026 | Apr 10, 2026 | Apr 24, 2026 |
| № 4404 | N15 | E06 | 03 | 0050 | Beta | Apr 2, 2026 | Apr 9, 2026 | Apr 23, 2026 |
| № 4403 | N15 | W12 | 02 | 0070 | Alpha | Apr 1, 2026 | Apr 8, 2026 | Apr 22, 2026 |
| № 4402 | N19 | W41 | 04 | 0025 | Alpha | Mar 30, 2026 | Apr 6, 2026 | Apr 19, 2026 |
| № 4401 | N25 | W57 | 05 | 0110 | Alpha | Mar 29, 2026 | Apr 5, 2026 | Apr 18, 2026 |
| № 4399 | S16 | W52 | 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.
