Solar flares on May 12, 2026
The most powerful solar flare in 24 hours
C2.1 (normal) flare - May 12 at 7:54 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-06 (Calgary) — summer time
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 |
|---|---|---|---|---|
| C2.1 | 19:43 | 19:54 | 20:01 | 4432 |
| C1.0 | 16:11 | 16:17 | 16:23 | 4436 |
| C1.1 | 15:42 | 15:48 | 15:51 | 4433 |
| C1.5 | 11:11 | 11:17 | 11:19 | 4436 |
| C1.3 | 08:53 | 08:58 | 09:00 | — |
| C2.0 | 06:40 | 06:49 | 06:52 | 4436 |
| C1.4 | 04:38 | 04:49 | 05:00 | 4432 |
| C1.1 | 03:26 | 03:35 | 03:43 | 4432 |
| C1.0 | 00:44 | 00:54 | 01:04 | 4432 |