Solar flares on August 20, 2017
The most powerful solar flare in 24 hours
M1.1 (strong) flare - August 20 at 1:52 AM
Solar activity index
Value as of the end of the day on August 20, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 19, 2017 to August 20, 2017
Time zone — UTC+00
List of solar flares for August 20, 2017
The total number of solar flares of class C and higher — 5 flares
C class — 4 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.4 | 19:20 | 19:39 | 19:49 | 2672 |
| C1.0 | 14:40 | 14:45 | 14:52 | 2672 |
| C2.9 | 07:45 | 07:50 | 07:54 | 2671 |
| C1.8 | 04:22 | 04:40 | 04:53 | 2671 |
| M1.1 | 01:36 | 01:52 | 02:03 | 2672 |