Solar flares on September 23, 2021
The most powerful solar flare in 24 hours
M2.8 (strong) flare - September 23 at 10:12 AM
Solar activity index
Value as of the end of the day on September 23, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 22, 2021 to September 23, 2021
Time zone — UTC+05:30 (Dasarhalli)
List of solar flares for September 23, 2021
The total number of solar flares of class C and higher — 2 flares
C class — 1 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.8 | 10:05 | 10:12 | 10:20 | 2871 |
| C1.1 | 01:34 | 01:44 | 01:50 | 2871 |