Solar flares on October 31, 2013
The most powerful solar flare in 24 hours
M1.9 (strong) flare - October 31 at 2:51 PM
Solar activity index
Value as of the end of the day on October 31, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 30, 2013 to October 31, 2013
Time zone — UTC+01 (Berlin)
List of solar flares for October 31, 2013
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 |
|---|---|---|---|---|
| C1.4 | 23:16 | 23:21 | 23:25 | 1885 |
| C1.8 | 22:33 | 22:40 | 22:49 | 1877 |
| M1.9 | 14:36 | 14:51 | 15:02 | 1877 |
| C1.0 | 07:45 | 07:51 | 07:58 | 1884 |
| C1.0 | 05:45 | 05:58 | 06:20 | 1875 |