Solar flares on September 16, 2001
The most powerful solar flare in 24 hours
C8.9 (normal) flare - September 16 at 7:53 AM
Solar activity index
Value as of the end of the day on September 16, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 15, 2001 to September 16, 2001
Time zone — UTC-06 (Saskatoon) — summer time
List of solar flares for September 16, 2001
The total number of solar flares of class C and higher — 13 flares
C class — 13 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.4 | 23:42 | 23:46 | 23:49 | — |
| C4.9 | 22:29 | 23:02 | 23:23 | — |
| C3.9 | 20:04 | 20:07 | 20:10 | — |
| C4.1 | 17:47 | 17:50 | 17:55 | 9616 |
| C3.5 | 12:37 | 12:47 | 13:01 | 9616 |
| C4.8 | 11:06 | 11:12 | 11:19 | 9608 |
| C2.94 | 10:44 | 10:48 | 10:52 | 9608 |
| C3.1 | 10:04 | 10:10 | 10:18 | 9608 |
| C8.9 | 07:33 | 07:53 | 08:05 | 9616 |
| C2.8 | 04:20 | 04:49 | 05:05 | — |
| C2.9 | 03:09 | 03:15 | 03:22 | 9608 |
| C4.5 | 01:39 | 01:45 | 01:51 | 9616 |
| C4.5 | 00:15 | 00:20 | 00:24 | 9608 |