Solar flares — Feb 21, 2002
The strongest solar flare in the day
Flare of M3.9 level (strong) — in 12:26
Solar activity index
Value for Feb 21, 2002 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Feb 20, 2002 to Feb 21, 2002
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Feb 21, 2002
Total number of flares of class C and higher — 9 flares
C type — 6 | M type — 3 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C3.9
|
22:05 | 22:15 | 22:24 | — |
|
M1.4
|
20:28 | 20:37 | 20:47 | — |
|
M1.0
|
18:07 | 18:23 | 18:44 | — |
|
C3.5
|
16:45 | 16:48 | 16:50 | 9830 |
|
M3.9
|
11:56 | 12:26 | 12:36 | — |
|
C7.0
|
09:25 | 09:32 | 09:57 | 9825 |
|
C5.6
|
07:06 | 07:57 | 08:46 | — |
|
C3.6
|
04:41 | 04:48 | 05:10 | 9825 |
|
C5.7
|
00:45 | 00:54 | 01:27 | — |