Solar flares on October 31, 2015
The most powerful solar flare in 24 hours
M1.0 (strong) flare - October 31 at 9:52 AM
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-08 (Hooper Bay) — summer time
List of solar flares for October 31, 2015
The total number of solar flares of class C and higher — 13 flares
C class — 12 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 22:22 | 22:28 | 22:54 | 2443 |
| C1.8 | 21:05 | 21:12 | 21:15 | 2443 |
| C5.6 | 19:35 | 19:39 | 19:44 | 2443 |
| C1.5 | 17:55 | 17:58 | 18:03 | 2443 |
| C6.2 | 17:11 | 17:15 | 17:20 | 2443 |
| C6.5 | 16:22 | 16:27 | 16:30 | 2443 |
| C2.7 | 15:54 | 15:59 | 16:05 | 2443 |
| C6.1 | 14:56 | 15:04 | 15:10 | 2443 |
| C5.8 | 13:13 | 13:18 | 13:23 | 2443 |
| C2.7 | 12:36 | 12:44 | 13:02 | 2443 |
| C9.9 | 11:27 | 11:33 | 11:40 | 2443 |
| C6.6 | 10:56 | 11:07 | 11:17 | 2443 |
| M1.0 | 09:48 | 09:52 | 09:55 | 2443 |