| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2026/05/03 | 5 | 110 | DSO | S16E65 | |
| 2026/05/04 | 8 | 90 | DSO | S15E56 | |
| 2026/05/05 | 4 | 120 | DSO | S16E43 | |
| 2026/05/06 | 6 | 120 | DSO | S16E29 | |
| 2026/05/07 | 4 | 170 | CAO | S17E16 | |
| 2026/05/08 | 4 | 150 | CAO | S16E02 | |
| 2026/05/09 | 4 | 110 | CAO | S16W13 | |
| 2026/05/10 | 5 | 50 | CAO | S17W25 | |
| 2026/05/11 | 5 | 50 | CAO | S17W39 | |
| 2026/05/12 | 3 | 40 | HAX | S17W53 | |
| 2026/05/13 | 1 | 30 | HRX | S16W67 | |
| 2026/05/14 | 1 | 10 | AXX | S17W81 |
| C |
|---|
| 5 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.0 | 2026/05/07 | 17:44 | 17:57 | 18:13 | |
| 2 | C1.5 | 2026/05/07 | 12:53 | 12:59 | 13:03 | |
| 3 | C1.5 | 2026/05/13 | 10:28 | 10:36 | 10:39 | |
| 4 | C1.2 | 2026/05/05 | 04:19 | 04:24 | 04:30 | |
| 5 | C1.1 | 2026/05/12 | 21:42 | 21:48 | 21:51 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/17 | M1.4 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 92.2 +12.9 |
| Last 30 days | 97 +6.4 |