Solar flares on October 18, 2002
The most powerful solar flare in 24 hours
C3.1 (normal) flare - October 18 at 5:38 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+05:30 (Agra)
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 | 20:49 | 20:54 | 21:07 | 162 |
| C1.7 | 19:13 | 19:17 | 19:23 | — |
| C1.6 | 18:49 | 18:52 | 18:55 | 149 |
| C2.3 | 17:39 | 17:42 | 17:46 | 162 |
| C1.6 | 16:54 | 16:58 | 17:07 | — |
| C2.4 | 15:45 | 15:57 | 16:01 | — |
| C3.0 | 15:32 | 15:37 | 15:40 | — |
| C2.7 | 15:02 | 15:06 | 15:12 | — |
| C1.2 | 12:27 | 12:41 | 12:44 | 158 |
| C2.0 | 10:58 | 11:04 | 11:12 | — |
| C2.5 | 08:03 | 08:09 | 08:18 | 162 |
| C2.5 | 06:29 | 06:37 | 06:42 | — |
| C3.1 | 05:32 | 05:38 | 05:42 | — |
| C2.2 | 03:45 | 03:51 | 03:58 | 162 |