Solar flares on May 9, 2013
The most powerful solar flare in 24 hours
M3.9 (strong) flare - May 9 at 5:57 PM
Solar activity index
Value as of the end of the day on May 9, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 8, 2013 to May 9, 2013
Time zone — UTC-07 (Phoenix) — summer time
List of solar flares for May 9, 2013
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 22:06 | 22:09 | 22:15 | 1742 |
| C1.9 | 21:01 | 21:07 | 21:14 | 1745 |
| C2.1 | 19:57 | 20:01 | 20:06 | 1744 |
| C3.1 | 19:40 | 19:44 | 19:47 | 1744 |
| M3.9 | 17:44 | 17:57 | 18:08 | 1745 |
| C9.0 | 15:52 | 16:16 | 16:32 | 1744 |
| C1.6 | 14:50 | 15:01 | 15:11 | 1744 |
| C2.2 | 13:52 | 14:00 | 14:17 | 1744 |
| C1.3 | 13:28 | 13:31 | 13:34 | 1742 |
| C2.7 | 10:36 | 10:42 | 11:11 | 1744 |
| C1.4 | 09:33 | 09:42 | 09:55 | — |