Solar flares on October 28, 2001
The most powerful solar flare in 24 hours
M1.5 (strong) flare - October 28 at 3:30 PM
Solar activity index
Value as of the end of the day on October 28, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 27, 2001 to October 28, 2001
Time zone — UTC+05:30 (Bhatpara)
List of solar flares for October 28, 2001
The total number of solar flares of class C and higher — 14 flares
C class — 11 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.7 | 22:33 | 22:36 | 22:39 | 9682 |
| M1.4 | 22:15 | 22:21 | 22:23 | 9682 |
| C6.3 | 16:28 | 16:33 | 16:37 | — |
| M1.5 | 15:20 | 15:30 | 15:35 | — |
| C4.8 | 14:47 | 14:51 | 14:55 | — |
| C6.5 | 14:08 | 14:12 | 14:17 | 9682 |
| C6.8 | 12:18 | 12:32 | 12:42 | 9682 |
| M1.3 | 10:06 | 10:20 | 10:28 | 9682 |
| C5.9 | 08:00 | 08:14 | 08:16 | — |
| C3.4 | 05:40 | 05:44 | 05:49 | — |
| C9.1 | 03:14 | 03:22 | 03:30 | 9682 |
| C3.5 | 02:10 | 02:12 | 02:15 | 9678 |
| C3.5 | 01:00 | 01:15 | 01:30 | — |
| C4.2 | 00:11 | 00:16 | 00:21 | 9672 |