Solar flares on September 21, 2022
The most powerful solar flare in 24 hours
M1.0 (strong) flare - September 21 at 7:02 AM
Solar activity index
Value as of the end of the day on September 21, 2022
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 20, 2022 to September 21, 2022
Time zone — UTC+00
List of solar flares for September 21, 2022
The total number of solar flares of class C and higher — 5 flares
C class — 4 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.7 | 23:08 | 23:20 | 23:30 | 3105 |
| C1.7 | 18:14 | 18:24 | 18:41 | 3105 |
| C1.4 | 12:42 | 12:50 | 12:54 | 3107 |
| M1.0 | 06:51 | 07:02 | 07:17 | 3107 |
| C2.7 | 05:12 | 05:26 | 05:42 | 3102 |