Solar flares — Sep 23, 2021
The strongest solar flare in the day
Flare of M2.8 level (strong) — in 04:42
Solar activity index
Value for Sep 23, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Sep 22, 2021 to Sep 23, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 23, 2021
Total number of flares of class C and higher — 13 flares
C type — 1 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B3.1
|
20:56 | 21:00 | 21:04 | — |
|
C1.0
|
20:34 | 20:41 | 20:46 | 2871 |
|
B1.8
|
20:23 | 20:28 | 20:32 | — |
|
B3.1
|
19:17 | 19:24 | 19:28 | — |
|
B5.4
|
15:03 | 15:14 | 15:23 | 2871 |
|
B6.0
|
13:43 | 13:55 | 14:03 | 2871 |
|
B7.1
|
12:35 | 12:45 | 12:50 | — |
|
B4.2
|
08:00 | 08:07 | 08:12 | 2871 |
|
M2.8
|
04:35 | 04:42 | 04:50 | 2871 |
|
B3.1
|
03:43 | 03:55 | 04:02 | 2871 |
|
B2.0
|
02:56 | 03:05 | 03:14 | 2871 |
|
B2.4
|
02:04 | 02:13 | 02:20 | 2875 |
|
B2.9
|
01:39 | 01:45 | 01:57 | 2871 |