Solar flares on October 31, 2011
The most powerful solar flare in 24 hours
M1.4 (strong) flare - October 31 at 11:38 PM
Solar activity index
Value as of the end of the day on October 31, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 30, 2011 to October 31, 2011
Time zone — UTC+05:30 (Ranchi)
List of solar flares for October 31, 2011
The total number of solar flares of class C and higher — 9 flares
C class — 7 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.4 | 22:51 | 23:38 | 00:20 | — |
| M1.1 | 20:25 | 20:38 | 20:57 | — |
| C1.3 | 13:24 | 13:29 | 13:40 | 1324 |
| C2.7 | 10:44 | 10:51 | 10:55 | 1334 |
| C2.3 | 06:20 | 06:40 | 06:59 | 1330 |
| C1.2 | 04:03 | 04:20 | 04:37 | 1334 |
| C1.4 | 03:11 | 03:13 | 03:19 | 1334 |
| C1.5 | 02:37 | 02:46 | 03:01 | 1334 |
| C1.5 | 02:14 | 02:22 | 02:32 | 1334 |