Solar flares on June 21, 2013
The most powerful solar flare in 24 hours
M2.9 (strong) flare - June 21 at 3:14 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+00
List of solar flares for June 21, 2013
The total number of solar flares of class C and higher — 9 flares
C class — 8 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 23:23 | 23:27 | 23:30 | 1772 |
| C2.1 | 21:00 | 22:17 | 22:39 | 1772 |
| C1.0 | 18:02 | 18:06 | 18:09 | 1776 |
| C1.1 | 12:19 | 12:22 | 12:24 | 1772 |
| C1.3 | 12:01 | 12:05 | 12:07 | 1772 |
| C1.3 | 10:19 | 10:33 | 10:36 | 1772 |
| C3.1 | 09:25 | 09:31 | 09:35 | — |
| C1.6 | 09:15 | 09:18 | 09:22 | 1772 |
| M2.9 | 02:30 | 03:14 | 03:43 | 1777 |