Solar flares on May 21, 2013
The most powerful solar flare in 24 hours
C1.6 (normal) flare - May 21 at 1:40 AM
Solar activity index
Value as of the end of the day on May 21, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 20, 2013 to May 21, 2013
Time zone — UTC+05:30 (Manali)
List of solar flares for May 21, 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 |
|---|---|---|---|---|
| C1.0 | 23:02 | 23:07 | 23:10 | 1755 |
| C1.2 | 15:53 | 16:10 | 16:20 | 1745 |
| C1.1 | 12:57 | 13:18 | 13:24 | 1751 |
| C1.5 | 05:36 | 05:42 | 05:52 | 1751 |
| C1.3 | 03:57 | 04:00 | 04:03 | 1748 |
| C1.6 | 01:32 | 01:40 | 01:48 | 1753 |
| C1.3 | 00:44 | 00:48 | 00:59 | 1748 |