Solar flares on May 13, 2026
The most powerful solar flare in 24 hours
C2.3 (normal) flare - May 13 at 2:40 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+08 (Irkutsk)
List of solar flares for May 13, 2026
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 18:28 | 18:36 | 18:39 | 4433 |
| C2.3 | 14:31 | 14:40 | 14:45 | 4436 |
| C2.1 | 09:43 | 09:54 | 10:01 | 4432 |
| C1.0 | 06:11 | 06:17 | 06:23 | 4436 |
| C1.1 | 05:42 | 05:48 | 05:51 | 4433 |
| C1.5 | 01:11 | 01:17 | 01:19 | 4436 |