| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2026/05/25 | 4 | 75 | DAO | S08E53 | |
| 2026/05/26 | 10 | 80 | DAO | S08E40 | |
| 2026/05/27 | 6 | 70 | CAO | S07E28 | |
| 2026/05/28 | 7 | 10 | BXO | S05E13 | |
| 2026/05/29 | 2 | 0 | AXX | S06W00 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.4 | 2026/05/26 | 07:11 | 07:17 | 07:23 |
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| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/06 | M1.8 |
| Last geomagnetic storm | 2026/06/05 | Kp6+ (G2) |
| 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 | 140.7 +39.3 |
| Last 30 days | 104.6 +13.7 |