Solar flares on May 13, 2013
The most powerful solar flare in 24 hours
X2.8 (very strong) flare - May 13 at 9:35 PM
Solar activity index
Value as of the end of the day on May 13, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 12, 2013 to May 13, 2013
Time zone — UTC+05:30 (Chandannagar)
List of solar flares for May 13, 2013
The total number of solar flares of class C and higher — 13 flares
C class — 8 | M class — 3 | X class — 2
| Class | begin | max | end | region |
|---|---|---|---|---|
| X2.8 | 21:18 | 21:35 | 21:46 | 1748 |
| C5.3 | 19:25 | 20:10 | 20:40 | 1748 |
| C4.0 | 18:17 | 18:22 | 18:30 | 1748 |
| M1.3 | 17:27 | 17:33 | 17:39 | 1748 |
| C1.7 | 16:04 | 16:07 | 16:10 | — |
| C2.8 | 14:54 | 14:59 | 15:07 | 1748 |
| C4.5 | 14:05 | 14:08 | 14:14 | 1745 |
| C2.0 | 13:32 | 13:37 | 13:41 | — |
| C2.4 | 12:32 | 12:36 | 12:39 | — |
| X1.7 | 07:23 | 07:47 | 08:02 | 1748 |
| C9.3 | 06:02 | 06:09 | 06:16 | 1748 |
| M1.2 | 04:07 | 04:14 | 04:22 | — |
| M1.9 | 01:47 | 02:02 | 02:33 | — |