Solar flares — Sep 21, 2015
The strongest solar flare in the day
Flare of C8.8 level (normal) — in 05:18
Solar activity index
Value for Sep 21, 2015 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Sep 20, 2015 to Sep 21, 2015
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 21, 2015
Total number of flares of class C and higher — 7 flares
C type — 4 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
B5.4
|
18:52 | 18:53 | 18:54 | 2420 |
B5.3
|
14:47 | 14:50 | 14:54 | 2415 |
C8.8
|
05:11 | 05:18 | 05:22 | 2420 |
C1.5
|
03:54 | 04:00 | 04:05 | 2420 |
B6.3
|
03:29 | 03:33 | 03:37 | 2420 |
C4.2
|
01:57 | 02:04 | 02:08 | 2420 |
C2.8
|
00:10 | 00:21 | 00:29 | 2420 |