Solar flares on April 18, 2013
The most powerful solar flare in 24 hours
C6.5 (normal) flare - April 18 at 7:23 PM
Solar activity index
Value as of the end of the day on April 18, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 17, 2013 to April 18, 2013
Time zone — UTC+01 (London) — summer time
List of solar flares for April 18, 2013
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.5 | 18:56 | 19:23 | 20:04 | 1719 |
| C1.6 | 08:56 | 09:19 | 09:38 | 1719 |