Solar flares on October 2, 2002
The most powerful solar flare in 24 hours
M2.1 (strong) flare - October 2 at 9:21 PM
Solar activity index
Value as of the end of the day on October 2, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 1, 2002 to October 2, 2002
Time zone — UTC-05 (Springfield) — summer time
List of solar flares for October 2, 2002
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 22:31 | 22:35 | 22:38 | — |
| M2.1 | 21:15 | 21:21 | 21:26 | 137 |
| C5.5 | 17:27 | 17:41 | 17:54 | 137 |
| C1.6 | 16:41 | 16:46 | 17:14 | 137 |
| C2.0 | 16:12 | 16:18 | 16:24 | 137 |
| C4.2 | 14:08 | 14:17 | 14:26 | 137 |
| C2.0 | 13:34 | 13:39 | 13:45 | 137 |
| C1.5 | 13:15 | 13:21 | 13:27 | 137 |
| C1.1 | 11:32 | 11:56 | 12:02 | 137 |
| C1.6 | 07:07 | 07:18 | 07:33 | 134 |