Solar flares
The plot on this page shows us the most recent 24-hour solar X-ray data from the primary GOES satellite. You can zoom in on this plot by selecting a time period that you wish to view and even export the graph as a JPG, PDF, SVG or PNG file. Beneath that we have a collection of live imagery which can be used to pinpoint the location of a solar flare and see if there was a coronal mass ejection. Last but not least we have a list detailing all solar flares that took place today. All times listed are in UTC.
Today's Sun
| C-class solar flare | 90% |
| M-class solar flare | 35% |
| X-class solar flare | 5% |
Events on the Sun past 24 hours
More events in the archiveAll times in UTC
Solar flares | Coronal mass ejections |
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Radio Blackout
Latest news
M4.4 solar flare from sunspot region 4168
The CME did not disappoint! More storming activity to come?
M8.2 solar flare, Strong G4 geomagnetic storm watch
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/08/12 | M1.8 |
| Last geomagnetic storm | 2025/08/09 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| July 2025 | 125.6 +9.3 |
| August 2025 | 142.4 +16.8 |
| Last 30 days | 138.7 +31.9 |