Solar flares — May 21, 2025
The strongest solar flare in the day
Flare of M1.2 level (strong) — in 01:08
Solar activity index
Value for May 21, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from May 20, 2025 to May 21, 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 21, 2025
Total number of flares of class C and higher — 6 flares
C type — 5 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.6
|
19:04 | 19:07 | 19:11 | 4095 |
|
C1.2
|
09:53 | 10:07 | 10:25 | 4093 |
|
C1.2
|
04:42 | 04:49 | 04:52 | 4093 |
|
C1.3
|
02:06 | 02:15 | 02:22 | 4093 |
|
M1.2
|
01:01 | 01:08 | 01:10 | 4087 |
|
C1.6
|
00:49 | 00:59 | 01:01 | 4087 |