Solar flares on August 21, 2014
The most powerful solar flare in 24 hours
M3.4 (strong) flare - August 21 at 9:31 PM
Solar activity index
Value as of the end of the day on August 21, 2014
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 20, 2014 to August 21, 2014
Time zone — UTC+08 (Irkutsk)
List of solar flares for August 21, 2014
The total number of solar flares of class C and higher — 13 flares
C class — 12 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.0 | 23:45 | 23:50 | 23:55 | — |
| M3.4 | 21:19 | 21:31 | 21:42 | 2149 |
| C1.2 | 19:55 | 19:59 | 20:03 | — |
| C1.2 | 17:57 | 18:18 | 18:36 | — |
| C1.7 | 11:12 | 12:06 | 12:20 | 2148 |
| C3.2 | 09:12 | 09:37 | 10:00 | — |
| C3.2 | 08:26 | 08:46 | 09:05 | — |
| C1.1 | 07:22 | 07:31 | 07:38 | — |
| C2.1 | 05:39 | 05:57 | 06:10 | 2146 |
| C2.9 | 03:38 | 03:57 | 04:03 | — |
| C3.2 | 02:50 | 03:11 | 03:29 | — |
| C2.6 | 01:43 | 01:56 | 02:08 | — |
| C1.8 | 00:18 | 00:22 | 00:27 | 2148 |