Solar flares on October 12, 2025
The most powerful solar flare in 24 hours
C9.6 (normal) flare - October 12 at 4:50 PM
Solar activity index
Value as of the end of the day on October 12, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 11, 2025 to October 12, 2025
Time zone — UTC+03 (Kyiv)
List of solar flares for October 12, 2025
The total number of solar flares of class C and higher — 13 flares
C class — 13 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 22:56 | 23:01 | 23:04 | 4246 |
| C2.3 | 22:43 | 22:52 | 22:56 | 4246 |
| C2.0 | 22:33 | 22:39 | 22:43 | 4250 |
| C2.7 | 20:31 | 20:39 | 20:45 | 4246 |
| C3.3 | 18:14 | 18:22 | 18:28 | 4246 |
| C9.6 | 16:18 | 16:50 | 17:26 | 4246 |
| C1.7 | 15:42 | 15:46 | 15:49 | 4246 |
| C1.9 | 15:30 | 15:36 | 15:42 | 4246 |
| C1.7 | 15:00 | 15:07 | 15:10 | 4241 |
| C1.9 | 14:12 | 14:22 | 14:32 | 4248 |
| C1.6 | 13:38 | 13:43 | 13:55 | 4246 |
| C1.0 | 09:27 | 09:30 | 09:35 | 4246 |
| C1.5 | 05:19 | 05:47 | 05:56 | 4246 |