Solar flares on May 12, 2026
The most powerful solar flare in 24 hours
C2.0 (normal) flare - May 12 at 12:49 PM
Solar activity index
Value as of the end of the day on May 12, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 11, 2026 to May 12, 2026
Time zone — UTC+00
List of solar flares for May 12, 2026
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 22:11 | 22:17 | 22:23 | 4436 |
| C1.1 | 21:42 | 21:48 | 21:51 | 4433 |
| C1.5 | 17:11 | 17:17 | 17:19 | 4436 |
| C1.3 | 14:53 | 14:58 | 15:00 | — |
| C2.0 | 12:40 | 12:49 | 12:52 | 4436 |
| C1.4 | 10:38 | 10:49 | 11:00 | 4432 |
| C1.1 | 09:26 | 09:35 | 09:43 | 4432 |
| C1.0 | 06:44 | 06:54 | 07:04 | 4432 |
| C1.3 | 00:48 | 01:01 | 01:32 | 4432 |