Solar flares on August 21, 2015
The most powerful solar flare in 24 hours
M1.4 (strong) flare - August 21 at 12:48 PM
Solar activity index
Value as of the end of the day on August 21, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 20, 2015 to August 21, 2015
Time zone — UTC+03 (Maikop)
List of solar flares for August 21, 2015
The total number of solar flares of class C and higher — 7 flares
C class — 4 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.1 | 22:10 | 23:34 | 23:50 | 2403 |
| C1.2 | 17:33 | 17:37 | 17:43 | 2403 |
| M1.4 | 12:34 | 12:48 | 13:07 | 2403 |
| C1.2 | 11:19 | 11:25 | 11:30 | 2403 |
| M1.2 | 04:56 | 05:18 | 05:37 | 2403 |
| C1.1 | 02:30 | 02:41 | 02:44 | 2403 |
| C1.3 | 00:34 | 00:38 | 00:45 | 2403 |