Solar flares on May 13, 2013
The most powerful solar flare in 24 hours
X3.2 (very strong) flare - May 13 at 7:11 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-06 (Edmonton) — summer time
List of solar flares for May 13, 2013
The total number of solar flares of class C and higher — 12 flares
C class — 9 | M class — 1 | X class — 2
| Class | begin | max | end | region |
|---|---|---|---|---|
| X3.2 | 18:00 | 19:11 | 19:20 | 1748 |
| C8.3 | 15:58 | 16:05 | 16:11 | 1745 |
| C2.9 | 15:26 | 15:29 | 15:34 | 1748 |
| X2.8 | 09:48 | 10:05 | 10:16 | 1748 |
| C5.3 | 07:55 | 08:40 | 09:10 | 1748 |
| C4.0 | 06:47 | 06:52 | 07:00 | 1748 |
| M1.3 | 05:57 | 06:03 | 06:09 | 1748 |
| C1.7 | 04:34 | 04:37 | 04:40 | — |
| C2.8 | 03:24 | 03:29 | 03:37 | 1748 |
| C4.5 | 02:35 | 02:38 | 02:44 | 1745 |
| C2.0 | 02:02 | 02:07 | 02:11 | — |
| C2.4 | 01:02 | 01:06 | 01:09 | — |