Solar flares — Oct 21, 2017
The strongest solar flare in the day
Flare of M1.1 level (strong) — in 00:28
Solar activity index
Value for Oct 21, 2017 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Oct 20, 2017 to Oct 21, 2017
Time zone — UTC+01 (London) - summer time
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Oct 21, 2017
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
|
00:10 | 00:28 | 00:37 | 2685 |