Solar flares — Oct 21, 2015
The strongest solar flare in the day
Flare of C7.7 level (normal) — in 17:56
Solar activity index
Value for Oct 21, 2015 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Oct 20, 2015 to Oct 21, 2015
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Oct 21, 2015
Total number of flares of class C and higher — 9 flares
C type — 8 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C7.7
|
17:48 | 17:56 | 18:00 | 2436 |
|
C1.1
|
14:28 | 14:31 | 14:33 | 2436 |
|
C1.7
|
13:52 | 13:58 | 14:04 | 2436 |
|
C2.6
|
11:51 | 12:00 | 12:07 | 2436 |
|
C2.7
|
05:31 | 05:37 | 05:43 | 2436 |
|
C6.3
|
04:29 | 04:34 | 04:36 | 2436 |
|
C1.6
|
02:00 | 02:09 | 02:14 | 2436 |
|
B8.0
|
01:46 | 01:49 | 01:51 | 2436 |
|
C1.7
|
00:12 | 00:19 | 00:23 | 2436 |