Solar flares — December 19, 2025
The strongest solar flare in the day
Flare of M1.0 level (strong) — in 09:58
Solar activity index
Value for Dec 19, 2025 24:00 (end on the day) . The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 18, 2025 to Dec 19, 2025
Time zone — UTC-06 (Austin)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 19, 2025
Total number of flares of class C and higher – 8 flares
C type — 7 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.2
|
23:42 | 23:46 | 23:49 | — |
|
C1.3
|
23:22 | 23:34 | 23:42 | — |
|
C1.2
|
18:59 | 19:09 | 19:13 | — |
|
C1.8
|
16:15 | 16:23 | 16:31 | 4312 |
|
C2.3
|
11:04 | 11:16 | 11:24 | — |
|
M1.0
|
09:35 | 09:58 | 10:08 | — |
|
C2.2
|
07:14 | 07:43 | 07:58 | — |
|
C1.7
|
00:08 | 00:20 | 00:28 | 4307 |