Solar flares — May 17, 2026
The strongest solar flare in the day
Flare of M1.4 level (strong) — in 04:39
Solar activity index
Value for May 17, 2026 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from May 16, 2026 to May 17, 2026
Time zone — UTC+01 (London) - summer time
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for May 17, 2026
Total number of flares of class C and higher — 8 flares
C type — 7 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C9.7
|
21:42 | 21:53 | 22:05 | 4436 |
|
C1.1
|
13:25 | 13:38 | 13:57 | 4438 |
|
C1.0
|
13:01 | 13:07 | 13:10 | 4439 |
|
C1.1
|
12:23 | 12:32 | 12:40 | 4436 |
|
C2.0
|
06:21 | 06:32 | 06:37 | — |
|
C1.0
|
05:36 | 05:44 | 05:52 | — |
|
M1.4
|
04:29 | 04:39 | 04:42 | 4435 |
|
C5.8
|
00:13 | 00:30 | 00:38 | 4435 |