Solar flares — Jun 18, 2025
The strongest solar flare in the day
Flare of C9.2 level (normal) — in 04:13
Solar activity index
Value for Jun 18, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Jun 17, 2025 to Jun 18, 2025
Time zone — UTC+01 (London) - summer time
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Jun 18, 2025
Total number of flares of class C and higher — 19 flares
C type — 19 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.2
|
23:48 | 23:51 | 23:53 | — |
|
C3.0
|
22:34 | 22:39 | 22:43 | 4114 |
|
C2.0
|
21:37 | 21:46 | 21:49 | 4114 |
|
C1.5
|
19:54 | 20:01 | 20:04 | — |
|
C1.9
|
19:17 | 19:22 | 19:27 | — |
|
C1.6
|
19:03 | 19:07 | 19:11 | — |
|
C3.0
|
17:07 | 17:16 | 17:28 | 4114 |
|
C2.1
|
16:23 | 16:31 | 16:43 | 4114 |
|
C2.6
|
15:00 | 15:07 | 15:13 | 4117 |
|
C5.2
|
13:28 | 13:34 | 13:37 | 4117 |
|
C4.7
|
12:09 | 12:31 | 12:40 | 4114 |
|
C6.9
|
10:14 | 10:30 | 10:55 | 4117 |
|
C3.9
|
09:30 | 09:36 | 09:46 | 4117 |
|
C5.5
|
07:20 | 07:25 | 07:27 | — |
|
C5.5
|
06:38 | 07:14 | 07:20 | — |
|
C4.7
|
06:23 | 06:33 | 06:38 | 4117 |
|
C4.1
|
06:04 | 06:12 | 06:23 | 4117 |
|
C9.2
|
04:03 | 04:13 | 04:21 | 4115 |
|
C3.7
|
02:58 | 03:05 | 03:12 | 4117 |