Solar flares on October 31, 2015
The most powerful solar flare in 24 hours
M1.0 (strong) flare - October 31 at 5:52 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+00 (London)
List of solar flares for October 31, 2015
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.7 | 23:54 | 23:59 | 00:05 | 2443 |
| C6.1 | 22:56 | 23:04 | 23:10 | 2443 |
| C5.8 | 21:13 | 21:18 | 21:23 | 2443 |
| C2.7 | 20:36 | 20:44 | 21:02 | 2443 |
| C9.9 | 19:27 | 19:33 | 19:40 | 2443 |
| C6.6 | 18:56 | 19:07 | 19:17 | 2443 |
| M1.0 | 17:48 | 17:52 | 17:55 | 2443 |