Solar flares — Sep 21, 2003
The strongest solar flare in the day
Flare of C2.3 level (normal) — in 00:10
Solar activity index
Value for Sep 21, 2003 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Sep 20, 2003 to Sep 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 Sep 21, 2003
Total number of flares of class C and higher — 5 flares
C type — 5 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.0
|
05:04 | 05:07 | 05:12 | — |
|
C1.8
|
03:26 | 03:30 | 03:32 | 464 |
|
C1.1
|
01:25 | 01:28 | 01:31 | 464 |
|
C1.4
|
01:03 | 01:08 | 01:13 | 464 |
|
C2.3
|
23:57 | 00:10 | 00:19 | 464 |
