| Sunspot number | 123 | 52 |
| New regions | 3 | 3 |
| 10.7cm Solar Radio Flux | 146 | 18 |
| Carrington Rotation | 2310 | |
Current value
2h max
24h max
| C-class solar flare | 99% |
| M-class solar flare | 75% |
| X-class solar flare | 35% |
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| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 80 -5.9 |
| Last 30 days | 90 +13.5 |
This day in history*
| Dst | G | ||
|---|---|---|---|
| 1 | 1979 | -149 | G4 |
| 2 | 1989 | -108 | G2 |
| 3 | 1960 | -97 | G3 |
| 4 | 1982 | -78 | G3 |
| 5 | 1984 | -71 | G2 |
*since 1994
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!