Solar flares — Apr 18, 2003
The strongest solar flare in the day
Flare of M1.1 level (strong) — in 20:58
Solar activity index
Value for Apr 18, 2003 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Apr 17, 2003 to Apr 18, 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 18, 2003
Total number of flares of class C and higher — 1 flare
C type — 0 | M type — 1 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
M1.1
|
20:50 | 20:58 | 21:02 | 337 |