Solar flares on October 18, 2002
The most powerful solar flare in 24 hours
C3.1 (normal) flare - October 18 at 5:08 AM
Solar activity index
Value as of the end of the day on October 18, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 17, 2002 to October 18, 2002
Time zone — UTC+05 (Ufa)
List of solar flares for October 18, 2002
The total number of solar flares of class C and higher — 14 flares
C class — 14 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 20:19 | 20:24 | 20:37 | 162 |
| C1.7 | 18:43 | 18:47 | 18:53 | — |
| C1.6 | 18:19 | 18:22 | 18:25 | 149 |
| C2.3 | 17:09 | 17:12 | 17:16 | 162 |
| C1.6 | 16:24 | 16:28 | 16:37 | — |
| C2.4 | 15:15 | 15:27 | 15:31 | — |
| C3.0 | 15:02 | 15:07 | 15:10 | — |
| C2.7 | 14:32 | 14:36 | 14:42 | — |
| C1.2 | 11:57 | 12:11 | 12:14 | 158 |
| C2.0 | 10:28 | 10:34 | 10:42 | — |
| C2.5 | 07:33 | 07:39 | 07:48 | 162 |
| C2.5 | 05:59 | 06:07 | 06:12 | — |
| C3.1 | 05:02 | 05:08 | 05:12 | — |
| C2.2 | 03:15 | 03:21 | 03:28 | 162 |