Solar flares — Oct 21, 2003
The strongest solar flare in the day
Flare of M1.0 level (strong) — in 09:27
Solar activity index
Value for Oct 21, 2003 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Oct 20, 2003 to Oct 21, 2003
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, 2003
Total number of flares of class C and higher — 8 flares
C type — 7 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C3.3
|
20:17 | 20:20 | 20:24 | — |
|
C2.5
|
18:57 | 19:00 | 19:03 | 484 |
|
C3.4
|
13:42 | 13:45 | 13:52 | — |
|
M1.0
|
09:21 | 09:27 | 09:31 | 484 |
|
C6.0
|
05:51 | 05:59 | 06:09 | 484 |
|
C7.9
|
04:19 | 04:45 | 05:13 | 484 |
|
C2.5
|
03:49 | 03:53 | 04:00 | 484 |
|
C6.2
|
23:00 | 00:18 | 23:13 | 484 |