Solar flares on September 5, 2017
The most powerful solar flare in 24 hours
M4.2 (strong) flare - September 5 at 1:08 AM
Solar activity index
Value as of the end of the day on September 5, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 4, 2017 to September 5, 2017
Time zone — UTC+00
List of solar flares for September 5, 2017
The total number of solar flares of class C and higher — 12 flares
C class — 7 | M class — 5 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 20:00 | 21:12 | 21:20 | 2673 |
| M2.3 | 17:37 | 17:43 | 17:51 | 2673 |
| C4.6 | 17:11 | 17:15 | 17:19 | 2673 |
| C3.7 | 16:14 | 16:19 | 16:22 | 2673 |
| C6.9 | 13:26 | 13:34 | 13:51 | 2673 |
| C2.2 | 12:30 | 12:34 | 12:39 | 2673 |
| C5.4 | 10:13 | 10:19 | 10:25 | 2673 |
| M3.8 | 06:33 | 06:40 | 06:43 | 2673 |
| M3.2 | 04:33 | 04:53 | 05:07 | 2673 |
| M1.0 | 03:42 | 03:51 | 04:04 | 2673 |
| M4.2 | 01:03 | 01:08 | 01:11 | 2673 |
| C9.8 | 00:30 | 00:35 | 00:41 | 2673 |