Complex sunspot region 4366
Sunday, 1 February 2026 19:12 UTC
Sunspot region 4366 has developed into a complex sunspot region with a magnetic Beta-Gamma-Delta layout. The region is impressive and has been producing strong solar flares today including two M5 events, two M6 events and even an X1.0 solar flare (R3-strong) that peaked at 12:33 UTC.
None of the solar flares have been eruptive thus far but there is some serious potential in this group as it rotates more and more into an earth-facing position in the days ahead. Expect more M-flare and perhaps even X-class activity in the next 24 hours. Any future eruptions have a good chance to be aimed at our planet.
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/14 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 82.4 +4.2 |
| Last 30 days | 62 -53.2 |