Solar flares — September 20, 2025
The strongest solar flare in the day
Flare of M1.5 level (strong) — in 03:11
Solar activity index
Value for Sep 20, 2025 24:00 (end on the day) . The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Sep 19, 2025 to Sep 20, 2025
Time zone — UTC+05:30 (Tiruvottiyur)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 20, 2025
Total number of flares of class C and higher – 6 flares
C type — 5 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.6
|
21:00 | 21:03 | 21:06 | 4220 |
|
C1.3
|
14:11 | 14:18 | 14:29 | 4216 |
|
C1.5
|
12:32 | 12:38 | 12:48 | 4216 |
|
C2.6
|
10:04 | 10:22 | 10:51 | 4219 |
|
M1.5
|
02:52 | 03:11 | 03:26 | 4216 |
|
C5.8
|
02:19 | 02:42 | 02:50 | 4216 |