Solar flares — Apr 20, 2003
The strongest solar flare in the day
Flare of C4.4 level (normal) — in 20:23
Solar activity index
Value for Apr 20, 2003 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 19, 2003 to Apr 20, 2003
Time zone — UTC+01 (London) - summer time
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 20, 2003
Total number of flares of class C and higher — 1 flare
C type — 1 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C4.4
|
20:18 | 20:23 | 20:28 | 339 |