Solar flares — Jul 21, 2002
The strongest solar flare in the day
Flare of C7.9 level (normal) — in 04:10
Solar activity index
Value for Jul 21, 2002 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Jul 20, 2002 to Jul 21, 2002
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, 2002
Total number of flares of class C and higher — 5 flares
C type — 5 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C3.4
|
15:14 | 15:21 | 15:31 | — |
|
C1.8
|
14:33 | 14:37 | 14:39 | 35 |
|
C6.7
|
08:35 | 08:45 | 08:54 | — |
|
C6.7
|
07:05 | 07:13 | 07:24 | — |
|
C7.9
|
04:07 | 04:10 | 04:12 | — |