Solar flares on September 7, 2001
The most powerful solar flare in 24 hours
M1.2 (strong) flare - September 7 at 3:38 PM
Solar activity index
Value as of the end of the day on September 7, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 6, 2001 to September 7, 2001
Time zone — UTC+00
List of solar flares for September 7, 2001
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 |
|---|---|---|---|---|
| C4.9 | 23:21 | 23:33 | 23:46 | — |
| C2.9 | 22:46 | 22:50 | 22:54 | 9601 |
| C5.1 | 21:13 | 21:20 | 21:33 | 9610 |
| M1.2 | 15:26 | 15:38 | 15:51 | 9601 |
| C3.7 | 07:05 | 07:09 | 07:12 | — |
| C5.5 | 03:59 | 04:02 | 04:12 | — |
| C8.2 | 01:05 | 01:17 | 01:29 | — |