Solar flares on July 18, 2013
The most powerful solar flare in 24 hours
C2.3 (normal) flare - July 18 at 9:16 PM
Solar activity index
Value as of the end of the day on July 18, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 17, 2013 to July 18, 2013
Time zone — UTC+01 (London) — summer time
List of solar flares for July 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 |
|---|---|---|---|---|
| C2.3 | 20:57 | 21:16 | 21:32 | 1800 |
| C2.3 | 18:56 | 19:23 | 19:58 | 1800 |