Solar flares on June 21, 2013
The most powerful solar flare in 24 hours
M2.9 (strong) flare - June 21 at 1:14 PM
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+10 (Birobidzhan)
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 |
|---|---|---|---|---|
| C1.1 | 22:19 | 22:22 | 22:24 | 1772 |
| C1.3 | 22:01 | 22:05 | 22:07 | 1772 |
| C1.3 | 20:19 | 20:33 | 20:36 | 1772 |
| C3.1 | 19:25 | 19:31 | 19:35 | — |
| C1.6 | 19:15 | 19:18 | 19:22 | 1772 |
| M2.9 | 12:30 | 13:14 | 13:43 | 1777 |
| C1.3 | 06:14 | 06:27 | 06:36 | 1775 |
| C1.3 | 01:55 | 02:02 | 02:06 | 1775 |
| C1.3 | 00:00 | 00:05 | 00:09 | 1775 |