Solar flares — May 15, 2025
The strongest solar flare in the day
Flare of M2.1 level (strong) — in 18:21
Solar activity index
Value for May 15, 2025 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from May 14, 2025 to May 15, 2025
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 15, 2025
Total number of flares of class C and higher — 10 flares
C type — 9 | M type — 1 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C9.6
|
23:11 | 23:19 | 23:21 | 4087 |
C1.2
|
22:27 | 22:36 | 22:40 | 4087 |
C1.1
|
20:47 | 20:53 | 20:59 | — |
M2.1
|
18:08 | 18:21 | 18:27 | 4087 |
C3.6
|
16:17 | 16:27 | 16:37 | 4087 |
C1.2
|
15:54 | 15:58 | 16:00 | 4087 |
C1.2
|
15:38 | 15:44 | 15:54 | 4087 |
C1.0
|
14:32 | 14:39 | 14:47 | 4087 |
C1.3
|
04:38 | 04:46 | 04:48 | 4088 |
C1.0
|
04:00 | 04:06 | 04:08 | — |