Solar flares on May 13, 2026
The most powerful solar flare in 24 hours
C5.5 (normal) flare - May 13 at 11:42 PM
Solar activity index
Value as of the end of the day on May 13, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 12, 2026 to May 13, 2026
Time zone — UTC-07 (Kamloops) — summer time
List of solar flares for May 13, 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 |
|---|---|---|---|---|
| C5.5 | 23:31 | 23:42 | 23:49 | 4435 |
| C1.6 | 22:56 | 23:04 | 23:08 | 4435 |
| C1.9 | 22:20 | 22:37 | 22:48 | 4435 |
| C2.6 | 20:27 | 20:41 | 20:49 | 4435 |
| C1.6 | 19:05 | 19:12 | 19:15 | 4432 |
| C1.4 | 12:35 | 12:48 | 12:59 | 4432 |
| C1.4 | 11:00 | 11:05 | 11:09 | 4436 |
| C2.0 | 10:06 | 10:14 | 10:19 | 4436 |
| C1.5 | 03:28 | 03:36 | 03:39 | 4433 |