Solar flares on August 18, 2017
The most powerful solar flare in 24 hours
C4.4 (normal) flare - August 18 at 3:02 PM
Solar activity index
Value as of the end of the day on August 18, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 17, 2017 to August 18, 2017
Time zone — UTC-05 (Austin) — summer time
List of solar flares for August 18, 2017
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.1 | 23:10 | 23:51 | 00:15 | 2672 |
| C3.5 | 20:28 | 20:37 | 20:50 | 2672 |
| C2.9 | 16:01 | 16:04 | 16:10 | 2671 |
| C4.4 | 14:49 | 15:02 | 15:33 | 2672 |