Solar flares — Sep 21, 2002
The strongest solar flare in the day
Flare of C3.0 level (normal) — in 04:20
Solar activity index
Value for Sep 21, 2002 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Sep 20, 2002 to Sep 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 Sep 21, 2002
Total number of flares of class C and higher — 7 flares
C type — 7 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C2.6
|
21:34 | 22:00 | 22:38 | 123 |
C2.6
|
17:56 | 18:03 | 18:10 | 119 |
C1.1
|
15:55 | 15:59 | 16:03 | — |
C1.5
|
08:55 | 08:59 | 09:11 | — |
C2.4
|
04:35 | 04:38 | 04:41 | — |
C3.0
|
04:12 | 04:20 | 04:26 | 121 |
C2.5
|
00:26 | 00:34 | 00:48 | — |