Solar flares — Sep 11, 2001
The strongest solar flare in the day
Flare of M4.5 level (strong) — in 21:36
Solar activity index
Value for Sep 11, 2001 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Sep 10, 2001 to Sep 11, 2001
Time zone — UTC+01 (London) - summer time

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 11, 2001
Total number of flares of class C and higher — 13 flares
C type — 10 | M type — 3 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C4.8
|
23:31 | 23:35 | 23:37 | 9610 |
|
M4.5
|
21:25 | 21:36 | 21:43 | 9616 |
|
C4.6
|
20:50 | 20:54 | 20:58 | — |
|
C3.2
|
15:00 | 15:37 | 16:08 | 9615 |
|
C2.9
|
13:30 | 13:33 | 13:35 | — |
|
C3.3
|
10:47 | 10:51 | 10:55 | — |
|
C9.7
|
10:33 | 10:37 | 10:39 | — |
|
M1.2
|
07:53 | 08:04 | 08:22 | — |
|
C5.1
|
04:32 | 04:49 | 05:05 | — |
|
M2.6
|
01:49 | 02:11 | 02:23 | — |
|
C9.5
|
01:28 | 01:33 | 01:37 | 9608 |
|
C3.9
|
01:11 | 01:17 | 01:22 | 9608 |
|
C3.6
|
00:45 | 00:48 | 00:51 | 9608 |
