| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2026/04/10 | 4 | 20 | DRO | N19E13 | |
| 2026/04/11 | 9 | 70 | DAI | N19W01 | |
| 2026/04/12 | 10 | 140 | DAI | N19W13 | |
| 2026/04/13 | 6 | 140 | DAI | N20W25 | |
| 2026/04/14 | 6 | 120 | DSO | N19W38 | |
| 2026/04/15 | 7 | 110 | DSO | N20W51 | |
| 2026/04/16 | 11 | 100 | DSO | N20W64 | |
| 2026/04/17 | 3 | 90 | CSO | N20W78 | |
| 2026/04/18 | 1 | 90 | HAX | N22W91 | |
| 2026/04/19 | 1 | 90 | HAX | N22W0* |
| B | C |
|---|---|
| 21 | 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.6 | 2026/04/18 | 06:40 | 07:04 | 07:22 | |
| 2 | C1.0 | 2026/04/11 | 10:07 | 10:23 | 10:39 | |
| 3 | B9.5 | 2026/04/15 | 04:55 | 05:15 | 05:27 | |
| 4 | B7.3 | 2026/04/17 | 18:01 | 18:06 | 18:10 | |
| 5 | B6.4 | 2026/04/15 | 02:34 | 02:42 | 02:53 | |
| 6 | B6.3 | 2026/04/18 | 15:42 | 15:49 | 15:51 | |
| 7 | B5.9 | 2026/04/17 | 21:06 | 21:15 | 21:21 | |
| 8 | B5.8 | 2026/04/14 | 14:57 | 15:05 | 15:17 | |
| 9 | B5.6 | 2026/04/17 | 10:04 | 10:12 | 10:20 | |
| 10 | B5.6 | 2026/04/17 | 15:26 | 15:32 | 15:39 |
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| Last X-flare | 2026/07/04 | X1.3 |
| Last M-flare | 2026/07/12 | M1.19 |
| Last geomagnetic storm | 2026/07/04 | Kp7+ (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| June 2026 | 94.4 -7.1 |
| July 2026 | 74.8 -19.6 |
| Last 30 days | 87 -20.2 |