Solar flares — Feb 21, 2003
The strongest solar flare in the day
Flare of C4.3 level (normal) — in 19:50
Solar activity index
Value for Feb 21, 2003 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Feb 20, 2003 to Feb 21, 2003
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Feb 21, 2003
Total number of flares of class C and higher — 10 flares
C type — 10 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C4.3
|
19:46 | 19:50 | 19:54 | 290 |
|
C1.1
|
15:46 | 15:51 | 15:55 | — |
|
C3.7
|
15:08 | 15:14 | 15:18 | 290 |
|
C1.3
|
12:50 | 12:55 | 13:21 | 289 |
|
C1.0
|
11:15 | 11:22 | 11:27 | — |
|
C2.1
|
07:07 | 07:17 | 07:21 | — |
|
C1.8
|
05:46 | 06:17 | 06:29 | 289 |
|
C1.6
|
05:02 | 05:06 | 05:09 | 290 |
|
C1.6
|
02:29 | 02:34 | 02:44 | — |
|
C2.5
|
01:49 | 02:00 | 02:12 | — |