Solar flares — Oct 16, 2025
The strongest solar flare in the day
Flare of M2.4 level (strong) — in 00:45
Solar activity index
Value for Oct 16, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Oct 15, 2025 to Oct 16, 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 Oct 16, 2025
Total number of flares of class C and higher — 17 flares
C type — 13 | M type — 4 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C5.8
|
21:40 | 21:43 | 21:46 | 4246 |
|
C4.4
|
21:26 | 21:35 | 21:40 | 4246 |
|
M1.1
|
20:00 | 20:16 | 20:36 | 4246 |
|
C4.7
|
16:59 | 17:06 | 17:08 | 4246 |
|
M1.3
|
14:53 | 15:08 | 15:22 | 4246 |
|
C6.0
|
14:03 | 14:08 | 14:12 | 4246 |
|
C8.4
|
12:41 | 13:03 | 13:25 | 4246 |
|
C3.1
|
12:33 | 12:39 | 12:41 | — |
|
C5.3
|
10:53 | 11:05 | 11:14 | 4246 |
|
C3.5
|
10:41 | 10:49 | 10:53 | 4246 |
|
C3.3
|
09:44 | 09:49 | 09:51 | 4246 |
|
C5.1
|
08:56 | 09:01 | 09:13 | 4246 |
|
C4.6
|
08:24 | 08:31 | 08:36 | 4246 |
|
C5.5
|
07:36 | 07:43 | 07:47 | 4246 |
|
C5.2
|
05:41 | 05:46 | 06:02 | 4246 |
|
M1.1
|
01:17 | 01:21 | 01:24 | 4246 |
|
M2.4
|
00:37 | 00:45 | 00:52 | 4246 |