Solar flares — May 21, 2004
The strongest solar flare in the day
Flare of C2.0 level (normal) — in 17:23
Solar activity index
Value for May 21, 2004 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from May 20, 2004 to May 21, 2004
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, 2004
Total number of flares of class C and higher — 3 flares
C type — 3 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.2
|
23:13 | 23:20 | 23:29 | 615 |
|
C2.0
|
17:16 | 17:23 | 17:28 | 617 |
|
C2.0
|
06:46 | 06:51 | 07:04 | 618 |