Solar flares on June 18, 2013
The most powerful solar flare in 24 hours
C2.3 (normal) flare - June 18 at 7:01 PM
Solar activity index
Value as of the end of the day on June 18, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 17, 2013 to June 18, 2013
Time zone — UTC-06 (Fort Smith) — summer time
List of solar flares for June 18, 2013
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 |
|---|---|---|---|---|
| C2.3 | 18:50 | 19:01 | 19:12 | 1776 |
| C1.6 | 16:55 | 17:04 | 17:15 | — |
| C1.1 | 09:33 | 09:57 | 10:33 | 1769 |
| C2.2 | 00:48 | 01:18 | 01:28 | 1775 |