Solar flares — Aug 21, 2003
The strongest solar flare in the day
Flare of C4.9 level (normal) — in 16:22
Solar activity index
Value for Aug 21, 2003 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Aug 20, 2003 to Aug 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 Aug 21, 2003
Total number of flares of class C and higher — 2 flares
C type — 2 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.4
|
18:27 | 18:31 | 18:37 | 431 |
|
C4.9
|
16:15 | 16:22 | 16:25 | 431 |