Solar flares — Sep 18, 2023
The strongest solar flare in the day
Flare of C4.9 level (normal) — in 23:25
Solar activity index
Value for Sep 18, 2023 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Sep 17, 2023 to Sep 18, 2023
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 18, 2023
Total number of flares of class C and higher — 14 flares
C type — 14 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C4.9
|
23:20 | 23:25 | 23:29 | 3436 |
|
C3.3
|
21:59 | 22:06 | 22:13 | 3436 |
|
C3.8
|
20:22 | 20:35 | 20:50 | 3436 |
|
C2.4
|
19:35 | 19:46 | 19:54 | 3436 |
|
C1.9
|
18:27 | 18:32 | 18:36 | 3436 |
|
C1.8
|
18:10 | 18:20 | 18:27 | 3436 |
|
C2.0
|
17:35 | 17:43 | 17:53 | 3436 |
|
C1.8
|
15:42 | 15:54 | 16:10 | 3436 |
|
C2.3
|
14:44 | 14:52 | 15:01 | 3435 |
|
C1.5
|
13:20 | 13:38 | 13:59 | — |
|
C1.4
|
12:51 | 12:59 | 13:21 | 3429 |
|
C2.6
|
10:31 | 10:41 | 10:49 | 3435 |
|
C1.6
|
09:27 | 09:35 | 09:43 | 3425 |
|
C1.5
|
00:56 | 01:04 | 01:09 | 3430 |