Solar flares — Sep 15, 2021
The strongest solar flare in the day
Flare of B4.1 level () — in 01:15
Solar activity index
Value for Sep 15, 2021 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Sep 14, 2021 to Sep 15, 2021
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 15, 2021
Total number of flares of class C and higher — 5 flares
C type — 0 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
B2.0
|
10:49 | 10:57 | 11:03 | 2869 |
B2.4
|
09:42 | 09:51 | 09:58 | 2869 |
B2.2
|
05:01 | 05:11 | 05:26 | 2869 |
B1.8
|
02:00 | 02:09 | 02:20 | 2869 |
B4.1
|
01:00 | 01:15 | 01:23 | 2869 |