| Sunspot number | 81 | -33 |
| New regions | 0 | -1 |
| 10.7cm Solar Radio Flux | 128 | 1 |
| Carrington Rotation | 2312 | |
Current value
2h max
24h max
| C-class solar flare | 95% |
| M-class solar flare | 35% |
| X-class solar flare | 5% |
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| 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 | 129 +27.6 |
| Last 30 days | 110.7 +16.8 |
This day in history*
No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!