Solar flares on June 21, 2013
The most powerful solar flare in 24 hours
C3.1 (normal) flare - June 21 at 5:31 AM
Solar activity index
Value as of the end of the day on June 21, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 20, 2013 to June 21, 2013
Time zone — UTC-04 (Columbia) — summer time
List of solar flares for June 21, 2013
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 19:23 | 19:27 | 19:30 | 1772 |
| C2.1 | 17:00 | 18:17 | 18:39 | 1772 |
| C1.0 | 14:02 | 14:06 | 14:09 | 1776 |
| C1.1 | 08:19 | 08:22 | 08:24 | 1772 |
| C1.3 | 08:01 | 08:05 | 08:07 | 1772 |
| C1.3 | 06:19 | 06:33 | 06:36 | 1772 |
| C3.1 | 05:25 | 05:31 | 05:35 | — |
| C1.6 | 05:15 | 05:18 | 05:22 | 1772 |