Solar flares on September 16, 2001
The most powerful solar flare in 24 hours
C8.9 (normal) flare - September 16 at 9:53 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-04 (Kapuskasing) — summer time
List of solar flares for September 16, 2001
The total number of solar flares of class C and higher — 11 flares
C class — 11 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.9 | 22:04 | 22:07 | 22:10 | — |
| C4.1 | 19:47 | 19:50 | 19:55 | 9616 |
| C3.5 | 14:37 | 14:47 | 15:01 | 9616 |
| C4.8 | 13:06 | 13:12 | 13:19 | 9608 |
| C2.94 | 12:44 | 12:48 | 12:52 | 9608 |
| C3.1 | 12:04 | 12:10 | 12:18 | 9608 |
| C8.9 | 09:33 | 09:53 | 10:05 | 9616 |
| C2.8 | 06:20 | 06:49 | 07:05 | — |
| C2.9 | 05:09 | 05:15 | 05:22 | 9608 |
| C4.5 | 03:39 | 03:45 | 03:51 | 9616 |
| C4.5 | 02:15 | 02:20 | 02:24 | 9608 |