Solar flares — Mar 18, 2026
The strongest solar flare in the day
Flare of M2.7 level (strong) — in 08:42
Solar activity index
Value for Mar 18, 2026 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Mar 17, 2026 to Mar 18, 2026
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Mar 18, 2026
Total number of flares of class C and higher — 9 flares
C type — 8 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.0
|
16:45 | 16:54 | 16:58 | 4392 |
|
C3.6
|
12:53 | 13:11 | 13:21 | 4392 |
|
C2.8
|
09:48 | 10:02 | 10:12 | 4392 |
|
M2.7
|
08:26 | 08:42 | 08:57 | 4392 |
|
C2.7
|
06:44 | 06:59 | 07:09 | 4392 |
|
C1.2
|
04:23 | 04:34 | 04:37 | 4397 |
|
C1.1
|
03:58 | 04:19 | 04:23 | 4397 |
|
C1.0
|
02:42 | 02:51 | 03:09 | 4393 |
|
C3.9
|
00:59 | 01:23 | 01:33 | 4392 |