Solar flares on June 21, 2013
The most powerful solar flare in 24 hours
M2.9 (strong) flare - June 21 at 12:14 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+09 (Lensk)
List of solar flares for June 21, 2013
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 21:19 | 21:22 | 21:24 | 1772 |
| C1.3 | 21:01 | 21:05 | 21:07 | 1772 |
| C1.3 | 19:19 | 19:33 | 19:36 | 1772 |
| C3.1 | 18:25 | 18:31 | 18:35 | — |
| C1.6 | 18:15 | 18:18 | 18:22 | 1772 |
| M2.9 | 11:30 | 12:14 | 12:43 | 1777 |
| C1.3 | 05:14 | 05:27 | 05:36 | 1775 |
| C1.3 | 00:55 | 01:02 | 01:06 | 1775 |