Solar flares on May 20, 2013
The most powerful solar flare in 24 hours
C9.6 (normal) flare - May 20 at 9:06 AM
Solar activity index
Value as of the end of the day on May 20, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 19, 2013 to May 20, 2013
Time zone — UTC-06 (Boise) — summer time
List of solar flares for May 20, 2013
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 18:06 | 18:12 | 18:22 | 1751 |
| C1.3 | 16:27 | 16:30 | 16:33 | 1748 |
| C1.6 | 14:02 | 14:10 | 14:18 | 1753 |
| C1.3 | 13:14 | 13:18 | 13:29 | 1748 |
| C6.0 | 10:20 | 10:26 | 10:30 | 1748 |
| C9.6 | 08:59 | 09:06 | 09:10 | 1748 |
| C2.7 | 08:21 | 08:28 | 08:32 | 1748 |