Solar flares on May 18, 2013
The most powerful solar flare in 24 hours
C2.9 (normal) flare - May 18 at 3:18 PM
Solar activity index
Value as of the end of the day on May 18, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 17, 2013 to May 18, 2013
Time zone — UTC-06 (Denver) — summer time
List of solar flares for May 18, 2013
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.9 | 14:16 | 15:18 | 15:55 | — |
| C1.1 | 12:12 | 12:22 | 12:25 | 1748 |
| C1.3 | 00:32 | 00:56 | 01:09 | 1752 |