Solar flares — Oct 21, 2001
The strongest solar flare in the day
Flare of M2.5 level (strong) — in 12:36
Solar activity index
Value for Oct 21, 2001 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Oct 20, 2001 to Oct 21, 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 Oct 21, 2001
Total number of flares of class C and higher — 11 flares
C type — 9 | M type — 2 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.0
|
21:54 | 21:58 | 22:00 | — |
|
C2.5
|
14:11 | 14:26 | 14:31 | 9670 |
|
M2.5
|
12:12 | 12:36 | 12:48 | 9661 |
|
C2.7
|
08:53 | 08:57 | 09:00 | — |
|
C2.7
|
06:44 | 06:47 | 06:51 | — |
|
M1.3
|
06:09 | 06:18 | 06:27 | — |
|
C7.8
|
05:33 | 05:37 | 05:39 | — |
|
C1.4
|
04:21 | 04:24 | 04:28 | — |
|
C1.9
|
02:47 | 02:51 | 02:54 | — |
|
C2.1
|
01:28 | 01:31 | 01:33 | — |
|
C4.3
|
01:04 | 01:11 | 01:15 | 9672 |