Solar flares — Apr 21, 2015
The strongest solar flare in the day
Flare of M4.0 level (strong) — in 16:45
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+01 (London) - summer time
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
|
22:58 | 23:01 | 23:04 | 2325 |
|
M1.8
|
22:39 | 22:45 | 22:55 | 2322 |
|
C5.0
|
21:50 | 21:59 | 22:13 | 2325 |
|
M2.1
|
17:55 | 18:00 | 18:09 | 2322 |
|
M4.0
|
16:24 | 16:45 | 16:51 | 2322 |
|
M2.2
|
12:49 | 12:57 | 13:02 | 2322 |
|
M2.2
|
11:17 | 11:40 | 11:59 | — |
|
C2.4
|
10:55 | 11:02 | 11:14 | 2322 |
|
M1.0
|
08:08 | 08:21 | 08:27 | 2322 |
|
C1.1
|
06:36 | 06:42 | 06:52 | 2324 |
|
C1.2
|
04:49 | 04:54 | 05:07 | 2322 |