Solar flares on January 18, 2013
The most powerful solar flare in 24 hours
C5.8 (normal) flare - January 18 at 5:07 PM
Solar activity index
Value as of the end of the day on January 18, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 17, 2013 to January 18, 2013
Time zone — UTC+00 (Lisbon)
List of solar flares for January 18, 2013
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 17:41 | 17:47 | 17:52 | 1654 |
| C5.8 | 16:50 | 17:07 | 17:12 | 1654 |
| C1.0 | 13:09 | 13:14 | 13:17 | 1654 |
| C2.4 | 09:37 | 09:43 | 09:45 | 1652 |
| C1.7 | 04:40 | 04:45 | 04:48 | 1652 |