Solar flares on May 12, 2026
The most powerful solar flare in 24 hours
C2.1 (normal) flare - May 12 at 10:54 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-03 (Saint john) — 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 | 22:43 | 22:54 | 23:01 | 4432 |
| C1.0 | 19:11 | 19:17 | 19:23 | 4436 |
| C1.1 | 18:42 | 18:48 | 18:51 | 4433 |
| C1.5 | 14:11 | 14:17 | 14:19 | 4436 |
| C1.3 | 11:53 | 11:58 | 12:00 | — |
| C2.0 | 09:40 | 09:49 | 09:52 | 4436 |
| C1.4 | 07:38 | 07:49 | 08:00 | 4432 |
| C1.1 | 06:26 | 06:35 | 06:43 | 4432 |
| C1.0 | 03:44 | 03:54 | 04:04 | 4432 |