Solar flares on May 12, 2026
The most powerful solar flare in 24 hours
C2.1 (normal) flare - May 12 at 9:54 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-04 (Kapuskasing) — 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 | 21:43 | 21:54 | 22:01 | 4432 |
| C1.0 | 18:11 | 18:17 | 18:23 | 4436 |
| C1.1 | 17:42 | 17:48 | 17:51 | 4433 |
| C1.5 | 13:11 | 13:17 | 13:19 | 4436 |
| C1.3 | 10:53 | 10:58 | 11:00 | — |
| C2.0 | 08:40 | 08:49 | 08:52 | 4436 |
| C1.4 | 06:38 | 06:49 | 07:00 | 4432 |
| C1.1 | 05:26 | 05:35 | 05:43 | 4432 |
| C1.0 | 02:44 | 02:54 | 03:04 | 4432 |