Solar flares — Jan 17, 2026
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The strongest solar flare in the day
Flare of C4.7 level (normal) — in 02:46
Solar activity index
Value for Jan 17, 2026 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Jan 16, 2026 to Jan 17, 2026
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Jan 17, 2026
Total number of flares of class C and higher — 5 flares
C type — 5 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.4
|
03:02 | 03:07 | 03:13 | 4341 |
|
C4.7
|
02:42 | 02:46 | 02:48 | 4341 |
|
C4.4
|
02:29 | 02:37 | 02:42 | 4341 |
|
C3.0
|
02:20 | 02:26 | 02:29 | 4343 |
|
C3.1
|
00:49 | 00:54 | 00:58 | 4343 |
