Solar flares on October 18, 2013
The most powerful solar flare in 24 hours
C8.4 (normal) flare - October 18 at 6:26 PM
Solar activity index
Value as of the end of the day on October 18, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 17, 2013 to October 18, 2013
Time zone — UTC+03 (Moscow)
List of solar flares for October 18, 2013
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.4 | 18:15 | 18:26 | 18:39 | 1861 |
| C4.7 | 13:51 | 13:54 | 13:56 | 1875 |
| C5.0 | 13:17 | 13:34 | 13:48 | 1861 |
| C2.2 | 11:16 | 11:21 | 11:24 | 1875 |
| C3.3 | 10:24 | 10:29 | 10:31 | 1875 |
| C5.3 | 08:00 | 08:08 | 08:12 | 1875 |
| C1.5 | 06:24 | 06:27 | 06:30 | 1861 |
| C3.3 | 06:02 | 06:07 | 06:10 | — |
| C2.7 | 03:56 | 04:01 | 04:04 | 1875 |
| C1.6 | 01:18 | 01:24 | 01:32 | — |