Solar flares on September 7, 2001
The most powerful solar flare in 24 hours
M1.2 (strong) flare - September 7 at 11:38 AM
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-04 (Lansing) — summer time
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 |
|---|---|---|---|---|
| C7.4 | 21:30 | 21:35 | 21:45 | — |
| C4.9 | 19:21 | 19:33 | 19:46 | — |
| C2.9 | 18:46 | 18:50 | 18:54 | 9601 |
| C5.1 | 17:13 | 17:20 | 17:33 | 9610 |
| M1.2 | 11:26 | 11:38 | 11:51 | 9601 |
| C3.7 | 03:05 | 03:09 | 03:12 | — |
| C5.5 | 23:59 | 00:02 | 00:12 | — |