Solar flares — May 18, 2023
The strongest solar flare in the day
Flare of M4.5 level (strong) — in 21:05
Solar activity index
Value for May 18, 2023 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from May 17, 2023 to May 18, 2023
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for May 18, 2023
Total number of flares of class C and higher — 13 flares
C type — 6 | M type — 7 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
M4.5
|
20:51 | 21:05 | 21:16 | 3311 |
M3.8
|
20:12 | 20:23 | 20:51 | 3311 |
M1.1
|
17:32 | 17:51 | 18:01 | 3311 |
C4.0
|
15:43 | 15:55 | 16:03 | 3311 |
M1.6
|
12:39 | 12:49 | 12:56 | 3311 |
M2.2
|
11:32 | 11:47 | 12:00 | 3311 |
C4.2
|
10:55 | 11:05 | 11:19 | 3311 |
C5.2
|
09:47 | 10:11 | 10:13 | 3311 |
M1.2
|
06:48 | 06:55 | 07:02 | 3311 |
M1.0
|
06:13 | 06:26 | 06:38 | 3311 |
C2.2
|
04:51 | 04:57 | 05:01 | — |
C3.8
|
04:07 | 04:12 | 04:16 | — |
C8.6
|
03:03 | 03:21 | 03:39 | — |