Solar flares — May 21, 2001
The strongest solar flare in the day
Flare of C9.0 level (normal) — in 04:20
Solar activity index
Value for May 21, 2001 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from May 20, 2001 to May 21, 2001
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, 2001
Total number of flares of class C and higher — 5 flares
C type — 5 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.5
|
10:08 | 10:19 | 10:24 | — |
|
C1.7
|
08:35 | 09:10 | 10:07 | — |
|
C1.0
|
06:31 | 06:49 | 07:04 | — |
|
C1.1
|
05:11 | 05:32 | 05:37 | 9461 |
|
C9.0
|
04:11 | 04:20 | 04:25 | 9461 |