Solar flares — Apr 21, 2015
The strongest solar flare in the day
Flare of M4.0 level (strong) — in 15:45
Solar activity index
Value for Apr 21, 2015 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 20, 2015 to Apr 21, 2015
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 21, 2015
Total number of flares of class C and higher — 11 flares
C type — 4 | M type — 7 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
M1.2
|
21:58 | 22:01 | 22:04 | 2325 |
|
M1.8
|
21:39 | 21:45 | 21:55 | 2322 |
|
C5.0
|
20:50 | 20:59 | 21:13 | 2325 |
|
M2.1
|
16:55 | 17:00 | 17:09 | 2322 |
|
M4.0
|
15:24 | 15:45 | 15:51 | 2322 |
|
M2.2
|
11:49 | 11:57 | 12:02 | 2322 |
|
M2.2
|
10:17 | 10:40 | 10:59 | — |
|
C2.4
|
09:55 | 10:02 | 10:14 | 2322 |
|
M1.0
|
07:08 | 07:21 | 07:27 | 2322 |
|
C1.1
|
05:36 | 05:42 | 05:52 | 2324 |
|
C1.2
|
03:49 | 03:54 | 04:07 | 2322 |