Solar flares on October 31, 2015
The most powerful solar flare in 24 hours
M1.0 (strong) flare - October 31 at 1:52 PM
Solar activity index
Value as of the end of the day on October 31, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 30, 2015 to October 31, 2015
Time zone — UTC-04 (Hamilton (Canada)) — summer time
List of solar flares for October 31, 2015
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.6 | 23:35 | 23:39 | 23:44 | 2443 |
| C1.5 | 21:55 | 21:58 | 22:03 | 2443 |
| C6.2 | 21:11 | 21:15 | 21:20 | 2443 |
| C6.5 | 20:22 | 20:27 | 20:30 | 2443 |
| C2.7 | 19:54 | 19:59 | 20:05 | 2443 |
| C6.1 | 18:56 | 19:04 | 19:10 | 2443 |
| C5.8 | 17:13 | 17:18 | 17:23 | 2443 |
| C2.7 | 16:36 | 16:44 | 17:02 | 2443 |
| C9.9 | 15:27 | 15:33 | 15:40 | 2443 |
| C6.6 | 14:56 | 15:07 | 15:17 | 2443 |
| M1.0 | 13:48 | 13:52 | 13:55 | 2443 |