Solar flares on September 4, 2017
The most powerful solar flare in 24 hours
M1.5 (strong) flare - September 4 at 9:00 PM
Solar activity index
Value as of the end of the day on September 4, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 3, 2017 to September 4, 2017
Time zone — UTC+05:30 (Bhatpara)
List of solar flares for September 4, 2017
The total number of solar flares of class C and higher — 12 flares
C class — 9 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.0 | 23:35 | 23:52 | 00:01 | 2673 |
| C6.0 | 22:50 | 23:09 | 23:18 | 2673 |
| C4.1 | 21:59 | 22:16 | 22:20 | 2673 |
| M1.5 | 20:41 | 21:00 | 21:03 | 2673 |
| C8.3 | 17:42 | 17:55 | 18:03 | 2673 |
| C2.4 | 17:03 | 17:08 | 17:12 | 2673 |
| C2.9 | 13:38 | 13:49 | 13:54 | 2673 |
| M1.2 | 11:06 | 11:19 | 11:35 | 2673 |
| C1.8 | 09:35 | 09:41 | 09:47 | 2673 |
| C1.2 | 09:03 | 09:08 | 09:12 | 2673 |
| C1.1 | 07:48 | 07:52 | 07:59 | 2674 |
| C1.1 | 02:15 | 02:20 | 02:25 | 2673 |