Solar flares on August 21, 2015
The most powerful solar flare in 24 hours
M1.4 (strong) flare - August 21 at 10:48 AM
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+01 (London) — summer time
List of solar flares for August 21, 2015
The total number of solar flares of class C and higher — 6 flares
C class — 3 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.1 | 20:10 | 21:34 | 21:50 | 2403 |
| C1.2 | 15:33 | 15:37 | 15:43 | 2403 |
| M1.4 | 10:34 | 10:48 | 11:07 | 2403 |
| C1.2 | 09:19 | 09:25 | 09:30 | 2403 |
| M1.2 | 02:56 | 03:18 | 03:37 | 2403 |
| C1.1 | 00:30 | 00:41 | 00:44 | 2403 |