| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2026/05/09 | 3 | 200 | DSO | N18E69 | |
| 2026/05/10 | 4 | 200 | DAO | N19E54 | |
| 2026/05/11 | 5 | 200 | DAO | N19E42 | |
| 2026/05/12 | 4 | 170 | CAO | N18E27 | |
| 2026/05/13 | 9 | 200 | DAI | N18E13 | |
| 2026/05/14 | 7 | 180 | CAO | N18W00 | |
| 2026/05/15 | 7 | 180 | CAO | N19W13 | |
| 2026/05/16 | 6 | 70 | HSX | N19W26 | |
| 2026/05/17 | 4 | 80 | HSX | N18W40 | |
| 2026/05/18 | 3 | 70 | HSX | N19W52 | |
| 2026/05/19 | 6 | 85 | CSO | N19W65 | |
| 2026/05/20 | 7 | 100 | CSI | N18W79 | |
| 2026/05/21 | 3 | 100 | CSI | N18W90 | |
| 2026/05/22 | 3 | 100 | CSI | N18W0* |
| B | C | M |
|---|---|---|
| 9 | 30 | 4 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M5.7 | 2026/05/10 | 13:19 | 13:39 | 14:02 | |
| 2 | M2.3 | 2026/05/22 | 10:03 | 10:29 | 11:01 | |
| 3 | M1.9 | 2026/05/16 | 15:50 | 16:12 | 16:22 | |
| 4 | M1.36 | 2026/05/16 | 16:22 | 16:29 | 16:34 | |
| 5 | C9.7 | 2026/05/17 | 20:42 | 20:53 | 21:05 | |
| 6 | C9.6 | 2026/05/21 | 18:19 | 18:25 | 18:30 | |
| 7 | C8.4 | 2026/05/21 | 18:04 | 18:14 | 18:19 | |
| 8 | C5.5 | 2026/05/21 | 13:09 | 13:21 | 13:24 | |
| 9 | C5.1 | 2026/05/14 | 18:21 | 18:40 | 19:08 | |
| 10 | C3.3 | 2026/05/15 | 02:52 | 03:09 | 03:30 |
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| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/20 | M1.0 |
| Last geomagnetic storm | 2026/06/11 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2026 | 101.4 +22.1 |
| June 2026 | 102.1 +0.7 |
| Last 30 days | 109 +10.5 |