Solar flares on October 31, 2015
The most powerful solar flare in 24 hours
M1.0 (strong) flare - October 31 at 6:52 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+01 (Oslo)
List of solar flares for October 31, 2015
The total number of solar flares of class C and higher — 5 flares
C class — 4 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.8 | 22:13 | 22:18 | 22:23 | 2443 |
| C2.7 | 21:36 | 21:44 | 22:02 | 2443 |
| C9.9 | 20:27 | 20:33 | 20:40 | 2443 |
| C6.6 | 19:56 | 20:07 | 20:17 | 2443 |
| M1.0 | 18:48 | 18:52 | 18:55 | 2443 |