Solar flares on October 15, 2015
The most powerful solar flare in 24 hours
M1.1 (strong) flare - October 15 at 9:01 PM
Solar activity index
Value as of the end of the day on October 15, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 14, 2015 to October 15, 2015
Time zone — UTC-02:30 (Saint john's) — summer time
List of solar flares for October 15, 2015
The total number of solar flares of class C and higher — 14 flares
C class — 13 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.1 | 20:57 | 21:01 | 21:07 | 2434 |
| C4.9 | 20:15 | 20:35 | 20:56 | — |
| C3.1 | 19:05 | 19:11 | 19:19 | 2434 |
| C3.4 | 17:21 | 17:26 | 17:29 | 2434 |
| C1.1 | 16:57 | 17:02 | 17:06 | 2434 |
| C1.0 | 16:40 | 16:49 | 16:54 | — |
| C3.9 | 16:01 | 16:08 | 16:11 | 2434 |
| C2.2 | 13:39 | 13:47 | 13:51 | 2434 |
| C3.6 | 11:12 | 11:19 | 11:22 | 2434 |
| C1.1 | 10:42 | 10:55 | 10:58 | 2434 |
| C1.1 | 09:52 | 09:58 | 10:01 | 2434 |
| C2.7 | 08:12 | 08:18 | 08:22 | 2434 |
| C1.1 | 05:10 | 05:16 | 05:19 | 2434 |
| C1.7 | 04:11 | 04:17 | 04:20 | 2434 |