X1.4 solar flare from sunspot region 3697
Wednesday, 29 May 2024 19:13 UTC
Ex-3664 which is now numbered as sunspot region 3697 is at it again this time with a long duration X1.4 solar flare (R3-strong) that peaked at 14:37 UTC.
The solar flare was eruptive but the region is still very close to the limb so the eruption was not earth-directed as you can see on this animation from the SOHO/LASCO C2 coronagraph. Sunspot region 3697 will rotate into a more earth-facing position in the days ahead so we might be in for yet another exciting space weather period. This sunspot region keeps on delivering!
Ex-3664 which is now numbered as sunspot region 3697 is at it again this time with a long duration X1.4 solar flare (R3-strong) that peaked at 14:37 UTC.
— SpaceWeatherLive (@_SpaceWeather_) May 29, 2024
The solar flare was eruptive but the region is still very close to the limb so the eruption was not earth-directed as you can… pic.twitter.com/gmtd9IjzWW
M5.7 solar flare
Another sunspot region to keep an eye on is 3691. This sunspot region produced an impulsive M5 event 18:41 UTC. We do not expect this event to be eruptive but it is an earth-facing sunspot region. It doesn't look complex enough for major eruptions at the moment but it should be monitored in the days ahead.
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/22 | M2.3 |
| 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 | 94.2 +14.9 |
| Last 30 days | 97.1 +4.3 |