Solar flares — Jul 21, 2003
The strongest solar flare in the day
Flare of C3.3 level (normal) — in 03:28
Solar activity index
Value for Jul 21, 2003 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Jul 20, 2003 to Jul 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 Jul 21, 2003
Total number of flares of class C and higher — 16 flares
C type — 16 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.0
|
23:30 | 23:33 | 23:35 | 409 |
|
C1.5
|
22:09 | 22:15 | 22:25 | — |
|
C1.1
|
21:00 | 21:03 | 21:13 | — |
|
C1.3
|
18:02 | 18:09 | 18:29 | 417 |
|
C1.3
|
15:11 | 15:17 | 15:24 | — |
|
C1.7
|
08:36 | 08:39 | 08:41 | — |
|
C1.7
|
08:24 | 08:27 | 08:31 | 410 |
|
C2.3
|
04:39 | 04:47 | 04:53 | — |
|
C1.4
|
04:19 | 04:28 | 04:36 | — |
|
C3.3
|
03:19 | 03:28 | 03:34 | 410 |
|
C1.3
|
02:50 | 02:55 | 02:58 | — |
|
C1.5
|
02:18 | 02:24 | 02:37 | — |
|
C1.2
|
02:09 | 02:12 | 02:15 | — |
|
C3.2
|
01:28 | 01:35 | 01:41 | 410 |
|
C1.8
|
01:04 | 01:08 | 01:21 | 417 |
|
C1.6
|
00:37 | 00:41 | 00:44 | — |