Solar flares on October 31, 2013
The most powerful solar flare in 24 hours
M1.9 (strong) flare - October 31 at 9:51 AM
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-04 (Augusta) — summer time
List of solar flares for October 31, 2013
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 |
|---|---|---|---|---|
| C6.2 | 20:01 | 20:09 | 20:16 | 1884 |
| C1.2 | 19:01 | 19:15 | 19:18 | 1884 |
| C1.4 | 18:16 | 18:21 | 18:25 | 1885 |
| C1.8 | 17:33 | 17:40 | 17:49 | 1877 |
| M1.9 | 09:36 | 09:51 | 10:02 | 1877 |
| C1.0 | 02:45 | 02:51 | 02:58 | 1884 |
| C1.0 | 00:45 | 00:58 | 01:20 | 1875 |