Solar flares — Jul 21, 2004
The strongest solar flare in the day
Flare of C8.9 level (normal) — in 06:21
Solar activity index
Value for Jul 21, 2004 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Jul 20, 2004 to Jul 21, 2004
Time zone — UTC+01 (London) - summer time
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Jul 21, 2004
Total number of flares of class C and higher — 3 flares
C type — 3 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C8.9
|
06:05 | 06:21 | 06:33 | 652 |
|
C1.3
|
05:53 | 05:58 | 06:03 | 652 |
|
C6.6
|
01:29 | 01:34 | 01:39 | 649 |