Solar flares on September 8, 2017
The most powerful solar flare in 24 hours
M8.1 (strong) flare - September 8 at 12:49 AM
Solar activity index
Value as of the end of the day on September 8, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 7, 2017 to September 8, 2017
Time zone — UTC-07 (Phoenix)
List of solar flares for September 8, 2017
The total number of solar flares of class C and higher — 19 flares
C class — 15 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 23:51 | 23:56 | 23:58 | 2673 |
| C1.4 | 23:23 | 23:29 | 23:40 | 2673 |
| M1.1 | 21:14 | 21:28 | 21:43 | 2673 |
| C4.2 | 20:57 | 21:01 | 21:07 | 2673 |
| C6.3 | 20:02 | 20:09 | 20:25 | 2673 |
| C1.0 | 17:36 | 17:39 | 17:46 | 2673 |
| M2.1 | 16:33 | 16:45 | 16:56 | 2673 |
| C2.0 | 16:16 | 16:21 | 16:23 | 2673 |
| C2.4 | 15:18 | 15:24 | 15:30 | 2673 |
| C1.7 | 13:10 | 13:14 | 13:16 | 2673 |
| C1.7 | 11:15 | 11:18 | 11:20 | 2673 |
| M2.9 | 08:09 | 08:47 | 09:04 | 2673 |
| C1.2 | 05:29 | 05:33 | 05:40 | 2673 |
| C5.9 | 05:09 | 05:13 | 05:15 | 2673 |
| C1.7 | 04:21 | 04:27 | 04:34 | 2673 |
| C1.6 | 03:45 | 03:49 | 03:51 | 2673 |
| C1.3 | 02:36 | 02:39 | 02:41 | 2673 |
| M8.1 | 00:40 | 00:49 | 00:58 | 2673 |
| C6.0 | 00:04 | 00:08 | 00:10 | 2673 |