Solar flares on August 21, 2014
The most powerful solar flare in 24 hours
M3.4 (strong) flare - August 21 at 3:31 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+02 (Rome) — summer time
List of solar flares for August 21, 2014
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 |
|---|---|---|---|---|
| C7.3 | 20:56 | 21:04 | 21:20 | 2149 |
| C2.0 | 17:45 | 17:50 | 17:55 | — |
| M3.4 | 15:19 | 15:31 | 15:42 | 2149 |
| C1.2 | 13:55 | 13:59 | 14:03 | — |
| C1.2 | 11:57 | 12:18 | 12:36 | — |
| C1.7 | 05:12 | 06:06 | 06:20 | 2148 |
| C3.2 | 03:12 | 03:37 | 04:00 | — |
| C3.2 | 02:26 | 02:46 | 03:05 | — |
| C1.1 | 01:22 | 01:31 | 01:38 | — |